Oset 12.5 Eco User manual

OWNER’S MANUAL

2017

12.5 ECO

12.5 RACING

OSET Corp

425 Kristen Ct, Unit 6

Montrose, CO 81401, USA

303 990-2390.

hp://www.OSETBIKES.com

inf[email protected]om

INS012455 - v1.1

Introducon - Page 4

Please Read - Page 5

Warnings, Cauons and Notes: - Page 6

Safe Operaon - Page 7

Safety Responsibilies - Page 9

Summary - Page 10

Bike Specicaons - Page 11

Unpacking and Assembly - Page 13

Switches - Page 16

Dials and Indicators - Page 17

Chain Adjustment - Page 18

Motor Care - Page 19

Suspension - Page 20

Wheel Removal/Installaon: - Page 21

Brake Adjustment - Page 22

Side Panel & Baery Removal - Page 23

Charging Instrucons - Page 24

Important Notes About Charging - Page 25

Baery Use, Care & Maintenance - Page 26

Baery Care & Disposal - Page 27

Bike Maintenance, Cleaning & Storage - Page 28

Electrical Diagnosc Flow Chart - Page 29

Wiring - Page 30

Wiring Diagram - Page 31

Seng Up Your OSET for Riding: - Page 32

Riding Instrucons & Safety Tips - Page 33

Staonary Learning: Page 33

First Ride: - Page 34

Learning to Stand Up - Page 35

Learning Some Technique - Page 36

Limited Warranty: - Page 37

TABLE OF CONTENTS

INTRODUCTION

A WORD ABOUT THIS OWNER’S MANUAL AND SAFETY

Firstly, thank you for purchasing an OSET Electric Trials Bike. This is a serious piece of

machinery designed for use by children in fully controlled and safe environments.

As the purchaser/owner of the machine, YOU are the responsible adult with the

task of keeping the rider(s) safe at all mes. If you defer this task to another adult,

it is YOUR RESPONSIBILITY to pass this owners manual and all relevant informaon

to whoever will take on this role, and ensure without queson that the rider is

controlled and taught in a safe manner.

Your OSET is very adjustable and can be specically set up for the rider. Please

do not allow the machine to be used or adjusted by other children or adults. There are

likely to be many children asking for a ride. DO NOT ALLOW THIS TO HAPPEN. It is likely

you know the abilies, levels of concentraon and aenon span of the child you

purchased the machine for. EVERY CHILD IS DIFFERENT and it is impossible for you to

properly supervise other children.

Your OSET is driven by a powerful electric motor. The control dials MUST be adjusted to

suit the abilies of the rider. Please remember that even when the speed is set to

a slow seng, if the power and response are at high seng, the full torque of the

bike will sll be available. This means that opening the throle will propel the machine

to the set speed very quickly. Your OSET has great capabilies, and can grow with the

skills of the rider to very high levels, but it is IMPERITIVE that the responsible adult controls

the enre learning process and gives full aenon at all mes.

IT IS YOUR RESPONSIBILITY TO FORESEE ALL POTENTIAL SITUATIONS AND

CONTROL THE RIDING ENVIRONMENT ACCORDINGLY.

This means not just the machine and the rider, but also the riding terrain and environment.

Our machines are virtually silent, and can be used in many places that gasoline bikes can’t.

They are brilliant for praccing in back yards; front yards, garages, and even indoors!

OSET Mini Bikes are designed for o road use only and must not be used on public roads

or sidewalks. Please check and obey all local laws. OSETs may only be ridden in safe areas

where all laws are being followed and all required permissions are given.

OSET’s are amazingly capable, and can be used from the earliest stages of

Learning to ride all the way through to o road compeons.

The secret of learning to ride well is being able to ride a lot. OSET’s enable this to happen,

and can make the learning process very grafying for both the children and the adults.

Thanks again for purchasing an OSET, and we hope you, and your child, will enjoy the ride!

Ian Smith, President, OSET CORP.

PLEASE READ

PLEASE READ THIS OWNER’S MANUAL PRIOR TO

OPERATIONS!

To ensure opmum performance from your new OSET, and to ensure safe operaon,

it is important to fully understand the features of the machine.

This manual contains IMPORTANT INFORMATION that every owner must fully understand.

If a child will operate your OSET, it is YOUR RESPONSIBILITY to set up the machine,

and make sure it is operated correctly and safely. Your OSET features a speed dial that sets

the speed from a walking pace to top speed. It also has a throle response ‘map’ dial.

This will set the throle response from very slow, up to very fast. The most important dial

is the power dial; the OSET controller is capable of outpung a lot of power.

This power should be treated with respect and must be learned. ALWAYS start the rider

at the slowest speed, response and power sengs. Even with a slow response,

a lot of power is available, and the rider must learn how to control it. These controls

must be set by the responsible supervising adult. Never allow the child to alter the sengs,

or to ride without suitable supervision.

Instrucng and praccing in a controlled situaon will allow the child to learn how

to operate the machine safely, and under control. The child’s enjoyment will be greatly

enhanced if they feel safe during the inial learning process. Please follow the instrucons

contained in this manual before operang the machine.

PARENTS/GUARDIANS

For all quesons regarding your OSET Electric Bike, please contact your local retailer/

distributor.

See distributor contact informaon on the osetbikes.com web site.

SERVICE/WARRANTY

OSET Electric Bikes are designed for o road use only and must not be used on public roads

or sidewalks. Please check and obey all local laws.

OFF ROAD USE ONLY!

WARNINGS, SYMBOLS & NOTES

This Owner’s Manual uses the following symbols and terms to call your

aenon to Warnings, Cauons and Notes:

Term:

Please read, understand and follow all Warning, Cauon and Note noces on your

OSET electric bike and those included in this Manual.

If you do not understand any of this important informaon, please contact your selling

dealer/distributor or the OSET Customer Service Department.

NOTE

Meaning: This term calls aenon to a Note. The text accompanying a Note provides

helpful or other important related informaon.

Meaning: This term calls aenon to a Warning. A Warning indicates a potenally

hazardous situaon which, if not avoided, could result in bodily injury or death, in addion

to property damage. Read the text accompanying the warning to be aware of the specic

hazard.

WARNING!

Meaning: This term calls aenon to a Cauon. A Cauon indicates a potenally

hazardous situaon which, if not avoided, may result in damage to equipment or

inadvertent system failure. Read the text accompanying the Cauon to be aware of the

specic hazard and avoid damage or system failure.

CAUTION

SAFE OPERATION

WARNINGS!

It is illegal and hazardous to use this vehicle on streets and thoroughfares. Use on streets

exposes the rider to hazards from motorists and other vehicles. Use on streets can lead to

accidents resulng in death or serious injury, and property damage. Check local laws and

regulaons to nd out where and how you may use this product legally.

WARNING!

WARNINGS!

This vehicle must be used in the presence of adult supervision to ensure that safe riding

pracces are established and followed. Even though a child is of the recommended age to

use this vehicle, not all children have the strength, skills or judgment needed to operate

this vehicle safely. A parent should supervise their child’s operaon of this vehicle at all

mes. Parents should permit connued use of this vehicle only if they determine that

their child has the ability and judgment to operate the vehicle safely.

WARNING!

WARNINGS!

• OPERATOR ONLY! NO PASSENGERS!

• Long hair, loose clothing or items worn by the rider must be covered to prevent

entanglement in moving parts of the vehicle or surroundings while riding.

• Do not exceed the weight limit. Heavier riders may signicantly reduce performance

and /or render the vehicle unstable and/or over-tax the brakes and other control devices.

Heavier riders may cause structural damage not covered by the warranty.

• Do not touch any moving or hot parts.

• Do not ride at night or under other low visibility condions.

• Do not immerse this vehicle in water.

• Do not ride on steep or uneven surfaces. Steep or uneven surfaces greatly increase the

likelihood of loss-of-control and a fall.

• Do not ride faster than condions permit for safe operaon. Excess speed greatly

increases the likelihood of loss-of-control and a fall.

• The rider should be securely seated on the vehicle ready to ride with the kickstand up

before turning on the vehicle.

WARNING!

SAFE OPERATION

WARNINGS!

Failure to obey all of the warnings & instrucons contained in this manual may result in

serious injury or death and permanent damage to your OSET.

WARNING!

It’s up to you. We’ve done everything we can to supply you with a safe and reliable

product. Please read, understand and pracce the following guidelines for safe operaon

of your OSET electric motocross bike:

WARNINGS!

A high quality helmet approved by your country’s governing body is the single most

eecve way to reduce the severity of an injury in the event of an accident.

ALWAYS use an approved helmet when riding this vehicle. As this vehicle is intended for

OFF-ROAD use, there is a very high likelihood that dirt and other debris will be thrown into

the air, presenng the risk of eye injury if protecve eyewear is not used.

OFF-ROAD riding presents many hazards such as loose dirt and gravel, obstacles and other

dicult-to-see-and-avoid condions. The possibility of a fall is high. Wear gloves, wrist,

knee and elbow protecon. Failure to use appropriate safety equipment greatly increases

the likelihood of death or serious injury in the event of an accident.

WARNING!

WARNINGS!

Failure to maintain this vehicle in proper operang condion can lead to an accident

resulng in death or serious injury, and property damage. If you have any quesons about

the proper care and maintenance of this vehicle, consult your selling dealer/distributor or

contact OSET Customer Service at [email protected].

Before each ride, make sure that all bolts and nuts are fastened securely and that the res

are properly inated. Before each ride, check that the throle and brake controls are

operang freely. Adjust and lubricate the drive chain as necessary. See pages 18-33 of this

manual for addional details regarding service, repair and maintenance. Check the OSET

web site for maintenance guides.

This vehicle should be returned for periodic maintenance to your selling dealer AT LEAST

once per year, but more frequently if used under severe condions.

WARNING!

SAFETY RESPONSIBILITIES

Always follow the Pre-Ride Checklist before every ride.

Do not operate your OSET if any damage is apparent.

Immediately contact your local retailer/distributor or OSET Customer Service.

 Supervision: Riders must be supervised by responsible adults at all mes. The rider

should never be beyond eye and voice range. An adult must ALWAYS assess and

approve the riding condions and the bike preparedness before the bike is ridden.

Always ensure the rider is cauous, maintaining complete control and a reasonable

speed. Ensure the terrain is suited to the skills of the rider.

 Helmets & Safety Are: There is no single factor that works beer at reducing the

severity of injuries sustained in accidents more than a quality helmet. Please don’t

ever allow your OSET to be ridden without one. Riders should also wear suitable

riding gear - gloves, eye protecon and boots. Boots should NOT HAVE LACES. Shoe

laces and loose clothing or even long hair could potenally get caught in wheels,

chains or sprockets.

 One Rider Only: Your bike was engineered to carry one rider and NO (0) passengers.

Carrying a passenger would overload the machine and alter the handling. Do not

allow this to happen.

 Do not overload the bike: OSET’s are designed for small, lightweight riders.

Exceeding the weight limitaons will adversely aect the handling of the machine,

and potenally cause damage.

 It’s the law; obey it: Obey all laws. OSET bikes are for OFF-ROAD USE ONLY. OSET

bikes can not be used on public roads or sidewalks. The purchaser, owner, and/or

riders of this machine are directly responsible to know and obey all local, state, and

federal laws regarding the riding and use of this machine.

 Night me: Don’t ride aer dark or in low light condions.

 Weather & Riding Condions: Bike brakes don’t work well when they’re wet. Don’t

ride in the rain or snow. Please be aware that distance to stop may double or triple

over the distance that it takes under dry condions. Ride more slowly and ancipate

your stops by applying the brakes MUCH earlier. Don’t allow children to ride on

slopes that are too steep for their ability.

 Maintenance: It worked ne when we put it in the box: please maintain your bike.

There are instrucons here in this manual. We haven’t gured out how to make a

bike that takes care of itself.

Check the brakes and the res and the ghtness of all those important fasteners

before each and every ride. Pretend that you’re a pilot doing a walk-around of his

airplane before taking-o. The pilot knows that his life depends on the airworthiness

of his airplane; the rider’s life depends on the preparedness of their bike.

Please have your bike checked by a qualied mechanic AT LEAST once a year.

It’s a small investment in the well-being of the rider.

 Baeries: We have equipped your OSET electric bike with sealed lead-acid

baeries. We have devoted an enre chapter of this manual to the baeries.

Please read and understand this important informaon. As always, if you have any

quesons, please don’t hesitate to contact us.

 Read this manual cover to cover: There is a lot of important informaon that you

need to know. Do not guess how to adjust the machine, charge it or ride it. We have

recommendaons that will instruct how to set–up, maintain, and ride your OSET.

Please read them thoroughly.

 Call us with quesons or problems: We can be reached at the numbers listed on

the back cover of this manual. You can also get assistance from the OSET dealers.

1. SUPERVISION. A responsible adult must supervise at all mes.

2. WEAR A HELMET & SAFETY GEAR. The rider must wear a helmet & appropriate

safety gear EVERY TIME.

3. NO PASSENGERS.

4. DO NOT EXCEED THE WEIGHT LIMITATIONS OF THE MACHINE.

5. OBEY ALL LAWS

6. RIDING CONDITIONS. Braking and tracon are signicantly reduced in wet or

slippery condions. Terrain varies, so be responsible!

7. DO NOT RIDE in low light condions.

8. PLEASE MAINTAIN YOUR BIKE.

9. CARE FOR YOUR BATTERIES.

10. READ, STUDY AND UNDERSTAND THIS ENTIRE MANUAL.

11. If you don’t understand any aspect of the use and care of your bike, PLEASE call

OSET Customer Service.

OSET Bikes are designed to operate at specic voltages only. Use of any other baery with

a voltage higher than that specied will result in motor failure. OSET CORP considers such

modicaons and/or changes to its products to be a material alteraon of any such

products, thereby voiding any warranes and/or guarantees in their enrety and

will not be responsible for any injuries, death and /or other damage(s) caused by any such

modicaons.

WARNING!

IN SUMMARY

SUMMARY

BIKE SPECIFICATION - 12.5 ECO

Performance:

- Maximum Speed - 14 mph

- Weight Limit (Rider) - 60 lbs (27.3kg)

Gearing:

- 11T front sprocket, 76T rear. #25 chain.

Motor:

- 600w 24v OSET Neodymium magnet DC motor.

Chassis:

- Frame & Swing Arm - Steel frame & swing arm.

- Suspension (Front) - Telescopic coil spring fork.

- Suspension (Rear) - Spring & oil dampened.

- Wheels - Aluminium alloy, 16H alloy hubs.

- Tires - 2.4 x 12.5’’ front & 2.4 x 12.5’’ rear.

- Brakes - Front - V-brake, Rear - Band brake.

- Foot pegs - Cast Alloy.

- Handlebars - Steel.

Controller:

- 24 volt, 50 amp pulse width modulang, with inline relay and fuse.

- External speed dial and throle ‘map/response’ dial.

Throle:

- Twist type with LED baery charge indicator.

Baeries:

- 2 X 12 volt 10 amp hour sealed lead acid AGM. 2 baeries in series.

- Dimensions - 151mm x 65mm x 110mm (each).

Keys, Dials and Ports:

- Key Switch and handlebar on/o ‘rocker’ switch..

- Throle map/response dial. Tuneable response.

- Speed dial. Speed adjustment.

- 24v charger port.

Size:

- Wheelbase - 28.5” (725mm)

- Seat Height - 15.0” (390mm)

- Ground Clearance - 6.0” (152mm)

- Handlebar Height - 25.6” (650mm)

NOTE

Many factors aect speed and range capabilies. Terrain, average speed, rider weight,

re pressures, wind, hills, etc. all have an impact.

BIKE SPECIFICATION - 12.5 RACING

Performance:

- Maximum Speed - 14 mph

- Weight Limit (Rider) - 60 lbs (27.30kg)

Gearing:

- 9T front sprocket, 62T rear. #219 chain.

Motor:

- 600w 24v OSET Neodymium magnet DC motor.

Chassis:

- Frame & Swing Arm - Steel frame & swing arm.

- Suspension (Front) - Telescopic coil spring fork, adjustable rebound.

- Suspension (Rear) - Spring & oil dampened.

- Wheels - Aluminium alloy, F-16H, R-20H alloy hubs.

- Tires - 2.40’’ x 12.0’ front & 2.40’’ x 12.0’’ rear.

- Brakes - Mechanical disc, 160mm front & 140mm rear.

- Foot pegs - Cast Alloy.

- Handlebars - Alloy.

Controller:

- 24 volt, 50 amp pulse width modulang, with inline relay and fuse.

- External speed dial and throle ‘map/response’ dial.

Throle:

- Twist type with LED baery charge indicator.

Baeries:

- 2 X 12 volt 10 amp hour sealed lead acid AGM. 2 baeries in series.

- Dimensions - 151mm x 65mm x 110mm (each).

Keys, Dials and Ports:

- Key Switch and handlebar on/o ‘rocker’ switch..

- Throle map/response dial. Tuneable response.

- Speed dial. Speed adjustment.

- 24v charger port.

Size:

- Wheelbase - 28.5” (725mm)

- Seat Height - 15.0” (390mm)

- Ground Clearance - 6.0” (152mm)

- Handlebar Height - 25.6” (650mm)

NOTE

Many factors aect speed and range capabilies. Terrain, average speed, rider weight,

re pressures, wind, hills, etc. all have an impact.

1. Remove your OSET & Accessory pack from the box and check contents against the

following list:

1x Accessory Box containing:

1x Baery charger c/w power lead & manual

1x Number board

4x Black cable es

1x Hex Key set (Allen keys)

1x Spanner (8 & 10mm)

1x Manual for disc brakes (Not applicable for 12.5 Eco)

1x Manual for rear shock

2. Place your OSET on a solid & level stand, with both wheels o the ground.

3. Remove all the packing materials.

4. Using the supplied Allen keys, make sure the steering stem is in the forward facing

posion and ghten the top and side bolts securely and evenly.

Secure the handlebars ghtly in the steering stem. Double check ghtness and

alignment. Adjust the brake lever posions and reach to suit the rider. See page 22.

UNPACKING AND ASSEMBLY

Failure to properly assemble and adjust your bike prior to use may result in an

accident resulng in death, serious injury and/or property damage. If you are uncertain

about any aspect of the assembly and adjustment of your bike, seek help from a qualied

mechanic or the OSET Customer Service Department.

WARNING!

There are no user serviceable elements incorporated into the motor, motor controller,

baeries, baery charger, throle, or wiring harness of your OSET electric bike. DO NOT

ATTEMPT TO DISASSEMBLE OR ADJUST ANY OF THESE COMPONENTS. Doing so may cause

extensive damage to these components, will void your warranty, and may cause a

hazardous condion. If you cannot resolve a problem using this owner’s manual, contact

your OSET authorized dealer, or call the OSET Customer Service Department for

assistance.

WARNING!

NOTE

If you purchased your OSET at a local retailer your machine may be fully adjusted and ready

to ride. If you purchased your OSET in the carton, please carefully follow the instrucons

below and any supplemental instrucons to nish the assembly and adjustment of your

OSET.

UNPACKING AND ASSEMBLY

For seng up a 12.5 Eco, please follow step 5.

For seng up a 12.5 Racing, please follow steps 6-8.

5. 12.5 Eco: The 12.5 Eco is ed with a front V-brake and a rear band brake. Both

brakes will already be connected; they may need some minor adjustment. Please see

page 22. Now skip to point 9 to connue seng up our OSET.

6. 12.5 Racing: - Loosen top calliper Allen bolts with a 5mm hex key - so it will move

side to side (picture 1).

7. Spin the front wheel and apply the front brake. Do this twice. While holding the front

brake on - ghten calliper bolts. This will centre the calliper and help to give even

wear of the pads and free running of the front wheel.

8. Adjusng rear calliper. Ensure rear wheel is clear of ground and turn by hand and

check brakes are not binding if they are loosen cap screws and adjust. Be aware that

because the wheel can be moved back and forth for chain adjustment the calliper

does also - so make sure it does not rub on the outer diameter of disc.

9. Install the front number plate using the supplied ‘zip-es’. This aaches below the

handlebars and to the forks (picture 2).

(1.) (2.) (3.)

10. Check re pressure of both res and conrm they are properly inated to 20-40 psi.

Light riders can use lower pressures.

11. Baeries are placed in the bike for shipping purposes, but they will need connecng.

It is vital that connecons are made correctly. The baery strap should be ed

before connecng the main baery leads. Install the baeries as indicated

(picture 3).

12. Unpack charger from its box and read manual. Charge the baeries while thoroughly

reading the complete owners manual. See page 25.

13. Compress and check each brake lever in turn. The lever should not compress

completely to the bar. Each individual brake should hold the bike securely when you

push the OSET against the brake. If your brake needs adjustment, follow the

instrucons on page 22. Learning riders should be aware which lever operates which

brake.

14. For maximum baery life, always fully charge before operang your OSET for the rst

me and never store with discharged baeries

15. While your baeries are charging, please Read Your Owners Manual completely.

SWITCHES

The key switch turns the power on and o.

When the rider is sing on the bike, this is

located in front of them above the seat cover.

The key is removable and should be removed

when the bike is not in use.

KEY SWITCH

This switch is in addion to the key switch and

provides extra funconality. The key switch

MUST be in the ‘on’ posion for the magnec kill

switch to operate.

With the key switch in the ‘on’ posion, the kill

switch can be used to turn the bike on and o,

simply by connecng the red magnec cap to

the black base on the handlebar.

As a safety precauon, if the throle is applied

before the kill switch is connected, the bike will

not move.

Always ensure the rider is wearing the kill switch

around their wrist and that the cord is ghtened

rmly.

Please note, the magnec kill switch is ed as

standard on the 20.0 Racing. The 20.0 Eco model

has a convenonal on/o handlebar switch.

KILL SWITCH

The power must be switched to the o posion before aaching and

plugging in the charger.

WARNING!

Failure to properly install the baeries may result in an accident resulng in death, serious

injury and/or property damage. If you are uncertain about any aspect of the assembly and

adjustment of your bike, seek help from a qualied mechanic or the OSET Customer

Service Department.

WARNING!

DIALS & INDICATORS

The speed dial is located underneath the rubber bung

for convenience. This must only be changed by a

responsible adult. When dial is turned to the fully

clockwise posion, the bike will have a maximum

speed, when in the an-clockwise posion the speed

will be reduced to its minimum.

DIAL ADJUSTMENT

The baery charge indicator is located on the throle

assembly and shows the state of the baeries. The

indicator lights can be checked at any me to

determine if the main power is o or on. Always turn

the power o and remove the key when the bike is

not in use.

It must be treated very carefully as the range of

adjustability is enormous.

THIS DIAL IS TO BE ADJUSTED BY A RESPONSIBLE

ADULT ONLY.

The funcon of this dial is to adjust the ‘response’ of

the bike. Fully an-clockwise will give the slowest

throle response. Fully clockwise will give the

quickest response.

CHARGE INDICATOR

SPEED DIAL

This is the most important adjustability feature on the

bike and must ALWAYS start with the lowest seng,

and make changes in very small increments. It may

appear that the highest power will be suitable for an

advanced rider, but it must be understood that there

is a lot of power available.

It is a great feature to have such a range available, but

it MUST be treated with respect. ALWAYS adjust from

lower to higher, in very small increments.

POWER DIAL

THROTTLE RESPONSE DIAL

CHAIN ADJUSTMENT

Your OSET features a tradional chain and sprockets. It is direct drive, with no gears.

With the motor mounted in the swingarm, suspension movement has no eect on tension.

However, the chain does need to be checked and adjusted regularly, especially when the

bike is new.

The chain must be checked before every ride and adjusted as necessary. There should be

very lile slack in the chain. Adjustment is done as follows:

1. Ensure power is turned o.

2. Loosen axle nuts (shown below).

3. Turn chain tensioner nuts evenly on both sides. Very small movements can make a

big dierence. Do not ghten so much there is no slack at all.

It should be ‘taught’, not ‘ght‘. Rotate wheel by hand and check chain tension.

4. Lubricate the chain & check the sprocket bolts for ghtness.

5. Reverse the above procedure, ensuring all bolts are ght.

6. Check the wheel for alignment and the chain for tension. See page 20 for wheel

alignment informaon.

These two pictures show the correct tension. When the tensioner is pushing up on the

chain, it should only move between 5 and 10mm.

Axle Nut (15mm) Chain tensioner nut (13mm)

It is very important to keep everyone clear of the bike when changing and checking the

speed and response sengs. The dial is sensive to small adjustments. Do not guess at

changes. Always check before the rider gets back on to ensure the desired seng is

correct for the abilies of the rider.

WARNING!

MOTOR CARE

The OSET motor has been designed for high performance. DO NOT POWER WASH THE

MOTOR. Check that the sprocket bolt is ght periodically. Waterproof grease can be applied

around the sha where it enters the motor for addional protecon from the elements.

Similarly, a bead of silicone can be applied where the casings join for addional weather

protecon.

Failure to maintain and adjust the chain and align the wheel correctly could result in the

chain jumping o the sprockets, causing a potenally dangerous and damaging condion.

WARNING!

MOTOR PERFORMANCE & MAINTENANCE

The motor can get hot. It is designed to withstand high temperatures. However, sustained

maximum output is not recommended. The motor is designed to withstand pulses of

maximum output, not sustained.

WARNING!

SUSPENSION

The OSET 12.5’s feature front and rear suspension, both have adjustable rear suspension

and the 12.5R has adjustable front suspension. Separate owner’s manuals are provided.

Please read for further informaon on how to best set up the suspension

The front suspension is a coil spring fork with preload adjustment. The adjuster can be

found on the le hand fork leg, turning this clockwise will create ser suspension, for

soer turn it an-clockwise. Should you require a dierent spring rate please contact

OSET.

FRONT SUSPENSION FORKS - 12.5 Racing

Your OSET is equipped with a single coil spring type rear shock. For a harder/ser ride

at the rear ghten the adjustment ring in a clockwise direcon. For a soer ride, loosen

the adjuster by turning an-clockwise. Oponal springs are available from OSET to

adjust the spring rate.

REAR SUSPENSION - 12.5 Eco & Racing

Adjustment ring

Preload adjuster

WHEEL REMOVAL & INSTALLATION

12.5 Eco:

1. Disconnect the V brake by squeezing the brake arms together and releasing the cable

(picture 1).

2. Undo the 15mm axle nuts on the wheel axle and the wheel can be removed

(picture 2).

To re-install the front wheel, reverse these instrucons.

FRONT WHEEL

(1.) (2.)

12.5 Racing:

1. Undo the quick release lever (picture 3).

2. Undo the nut on the other side of the axle unl the wheel can be removed.

To re-install the front wheel, it can help to loosen the front brake calliper bolts rst (picture 4).

If this is necessary, be sure to ghten them correctly once the wheel has been installed, see

page 22 for more informaon on seng up brakes.

(3.) (4.)

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