Yamaha QT50 User manual

OWNER'S

MANUAL

LIT-11626-02

3L8

28199-11

SAFETY

WARNINGS

1. Traffic regulations vary

from

state

state. Study

the

regulations in

your

state before riding this machine.

2. Never all

children

ride

is ma-

chine. Check

the

fic regul

ions in

your state regarding the mini

mum

age

requirements

for

a driver's licen

se.

Abide

by all state

and

local regulations.

3. This machine is a single-seater.

made for one rider only. Never ride

with

a passenger. Overloading

will

adversly

affect the machine's stabil

ity

. Do

not

load the racks beyond

their

capaci

The load capacity

the

front

rack (car-

rier) is 3

(7 lbs). The load capacity"

the

rear rack (carrier) is 5 kg (

lbs).

4. This bike is designed

for

on-road use

.only. It is

not

suitable for off-road use.

-1-

5. Gasoline is highly flammable.

•

Always

turn

off

the engine

when

re-

fuelling.

• Take care

not

spill any gasoline

the engine

muffler

when refuelling.

any gasoline

ills on

the

engine

muf

, wipe

off

immed

ately

Never refuel

while

smoking

the

vicinity

an open flame.

Always

turn

off

the engine before leav-

ing the machine unattended.

When

transpor

ting

the machine in an-

her vehicl

be sure

is kept

upright

and that the fuel petcock is turned

off

should lean over, gasoline may leak

out

the

carburetor

fuel

tank

8. The bike should always be on the center

stand when you start the engine. Check

the throttle grip a

few

times before

starting off. The engine speed should

slow

down

when the throttle

closed.

you should

swallow

some gasoline

inhale

many gasoline vapors, see

your doctor immediately.

any gasoline

spills on your skin or clothing,

im-

mediately wash

with

soap and

water

and change your clothes.

10. Do

not

run the engine in a closed, un-

ventilated place. Exhaust gases are

harmful.

SAFETY

RIDING

POINTS

1. Give a clear signal in the

following

instances:

Turning

left

Turning right

-2-

Stopping

slow

down

2. Braking

n be extremely

difficult

on a

wet

road. Avoid hard braking,

the

ma-

chine could

ide.

App

the

brakes

slowly

when

stopping on a

wet

surface.

3. Sl

down

you approach a corner

turn. Once you have completed a turn,

accelerate sl

- 3 -

4. Be care

whe

n passing parked cars. A

iver

might

not

see you and open a

door

in your path.

5. Street car rails, iron plates on

road

con-

struct

ion sites, and man-hole covers

be-

come

extremely slippery

when

wet.

Slow

down

and cross

them

with

cau-

. Keep the machine upright.

could

slide

out

from

under you.

6. The brake

lining

could get

wet

when

you wash

the

machine.

After

washing

the

machine, check the brakes before

riding.

Always

wear

a helmet, gloves, trousers

(tapered around

the

cuff

and ankle so

they

not

flap), and a bright colored

jacket.

8. Do

not

carry

too

much luggage on

the

bike. An overloaded machine is un-

stable. Refer

page 1 for instructions

about

carrying luggage. Use a strong

cord

secure any luggage

the

lug-

gage racks. A loose load

will

affect

the

stability

the bike and

could

divert

your

attention

from

the road.

9. Never ride

with

just

one hand on

handlebars.

Always

ride

with

both

hands on

the

handlebars and

both

feet

the

footrests.

INTRODUCTION

Please read

is manual carefully and

completely

before

operating

your

new

bike. This manual

will

provide

you

with

good

basic

understanding

the features, operation, and basic

maintenance

and

inspection

items

this

bike.

you

have any

questions

regarding

the

operation

mainte-

nance

your

bike, consu

your

Yamaha dealer.

NOTICE:~~~~

~~~~~~~~~~~~~~~~

Some

data

this

manual

may

become

outdated

due

changes

made

this

model

the

future.

you

have

any

question

regarding

this

manual

your

bike,

please

consult

your

Yamaha

dealer.

-5-

NOTICE

Particularly

important

points

are

distinguished

this

manual

the

fol-

lowing

notations:

NOTE: A NOTE provides key

information

make

procedures

easier

clearer.

CAUTION:

A CAUTION

indicates

special procedures

that

must

be fol-

lowed

avoid

damage

the

bike.

WARNING:

WARNING

indicates

special procedures

that

must

followed

avoid injury

a bike

operator

person inspect-

ing

repairing

the

bike.

OT50G

OWNER'S

MANUAL

FIRST

PRINTING

APRIL,

1979

ALL

RIGHTS

RESERVED

YAMAHA

MOTOR

COMPANY,

LTD.,

JAPAN

PRINTED

JAPAN

LIT-11626-01

-96

-6-

CONTENTS

MACHINE

IDENTIFICATION ....................... 8

CONTROL FUNCTIONS................................ 9

PRE-OPERATION CHECKS..........................

RIDING POINTS......

...

.....

................

........

.21

PERIODIC

MAINTENANCE

........

....

...

CONSUMER

INFORMATION

......................

WARRANTY

INFORMATION

..................

....

SPECIFICATIONS

............

...

........

...

WIRING

DIAGRAM

........

...

....

........

-7-

MACHINE

IDENTIFICATION

Frame serial number

The frame

number

is stamped on

the

front

side f

the

steering head pipe.

1. Frame serial number

- 8 -

Engine serial number

The engine serial

num

ber is stamped

into

the

left

side

the

engine

lower

the

ankcase.

1. Engine serial number

NOTE:-

---

-----

----

The

fir

st three digits

these numbers are

for

mode

l identification; the remai

ning

digits

compr

ise

the

unit

produ

ion number.

CONTROL

FUNCTIONS

LEFT

SIDE

RIGHT

SIDE

NSTRUMENTS

1. Front fork

. Front rack

2. Headlight

. Front wheel

Fuel

tank

. Footrest

Oil tank

Muff

ler

5. Rear wheel

. Rear vi

mirror

Rear shock absorber 17.

Rear

brake lever

7. Kick crank 18. L

eft

handle switches

8. Tail/stop

light

19. Speedometer

9. Flasher

light

. Engine st

switch

10.

Rea

r rack 21 . Fr

ont

brake lever

11. Seat

. Throttle

grip

-9-

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