Dynojet Power commander V User manual
22-071 www.powercommander.com 2015 Yamaha YZ250FX & WR250F - PCV F/I - 1
PARTS LIST
1 Power Commander
1 USB Cable
1 Installation Guide
2 Power Commander Decals
2 Dynojet Decals
2 Velcro strips
1 Alcohol swab
1 Posi-tap
THE LATEST POWER COMMANDER
SOFTWARE AND MAP FILES CAN BE
DOWNLOADED FROM OUR WEB SITE AT:
www.powercommander.com
2015 Yamaha YZ250FX & WR250F
Installation Instructions
PLEASE READ ALL DIRECTIONS BEFORE STARTING INSTALLATION
THE IGNITION MUST BE TURNED
OFF BEFORE INSTALLATION!
2191 Mendenhall Drive North Las Vegas, NV 89081 (800) 992-4993 www.powercommander.com
FUEL AND IGNITION
22-071 www.powercommander.com 2015 Yamaha YZ250FX & WR250F - PCV F/I - 2
EXPANSION PORTS 1 & 2
Optional Accessories such as
POD-300 unit or Auto-tune kit.
POWER COMMANDER V
INPUT ACCESSORY GUIDE
Map - (Input 1 or 2) The PCV has the ability to hold
2 different base maps. You can switch on the
fly between these two base maps when you
hook up a switch to the MAP inputs. You can
use any open/close type switch. The polarity
of the wires is not important. When using the
Autotune kit one position will hold a base map
and the other position will let you activate the
learning mode. When the switch is “CLOSED”
Autotune will be activated. (Set to Switch
Input #1 by default.)
Shifter- (Input 1 or 2) These inputs are for use with the
Dynojet quickshifter. Insert the wires from the
Dynojet quickshifter into the SHIFTER inputs.
The polarity of the wires is not important. (Set
to Switch Input #2 by default.)
Speed- If your application has a speed sensor then
you can tap into the signal side of the sensor
and run a wire into this input. This will allow
you to calculate gear position in the Control
Center Software. Once gear position is setup
you can alter your map based on gear position
and setup gear dependent kill times when
using a quickshifter.
Analog- This input is for a 0-5v signal such as
engine temp, boost, etc. Once this input
is established you can alter your fuel curve
based on this input in the control center
software.
Crank- Do NOT connect anything to this port unless
instructed to do so by Dynojet. It is used to
transfer crank trigger data from one module to
another.
ACCESSORY INPUTS
Wire connections:
To input wires into the PCV first remove the rubber
plug on the backside of the unit and loosen the
screw for the corresponding input. Using a 22-24
gauge wire strip about 10mm from its end. Push the
wire into the hole of the PCV until is stops and then
tighten the screw. Make sure to reinstall the rubber
plug.
NOTE: If you tin the wires with solder it will make
inserting them easier.
CRANK
ANALOG
SPEED
INPUT 1 (Grnd)
INPUT 1
INPUT 2 (Grnd)
INPUT 2
USB CONNECTION
22-071 www.powercommander.com 2015 Yamaha YZ250FX & WR250F - PCV F/I - 3
1 Remove the seat, the air filter cover, and the radiator shrouds on both side of
the bike (Fig. A).
2 Remove the fuel tank.
3 Loosen the stock ECU from its mounting location by removing the two
mounting bolts (Fig. B).
4 Loosen the left side radiator by removing the two mounting bolts (Fig. C).
This will allow easy access to the bike’s stock Crank Position Sensor
connectors.
FIG.A
FIG.B
FIG.C
Remove
Remove
Remove
Remove
Remove
Remove
22-071 www.powercommander.com 2015 Yamaha YZ250FX & WR250F - PCV F/I - 4
5 Unplug the stock wiring harness from the bike’s starter solenoid just right of
the battery (Fig. D).
FIG.D
6 Use the stock battery strap to secure the PCV module to the top of the battery
(Fig. E).
The supplied Velcro strips could also be used to secure the PCV module if
desired. If so, use the supplied alcohol swab to clean all surface areas prior to
applying the Velcro adhesive.
7 Secure the PCV ground wire with the small ring lug to the stock common
ground on the underside of the frame cross-over bracket shown in Figure E.
8 Plug the pair of PCV 4-pin connectors in-line of the starter solenoid and the
stock wiring harness.
FIG.E
9 Route the rest of the PCV wiring harness forward down the right side of the
bike along the stock wiring harness.
10 Unplug the stock wiring harness from the bike’s Fuel Injector (Fig. F).
FIG.F
Ground bolt
Unplug
Unplug
22-071 www.powercommander.com 2015 Yamaha YZ250FX & WR250F - PCV F/I - 5
11 Plug the PCV wiring harness in-line of the Fuel Injector and the stock wiring
harness (Fig. G).
12 Pull the rubber boot loose from around the stock
ECU connector. Route the single unterminated
GREY wire of the PCV wiring harness through the
rubber boot.
13 Use the supplied Posi-tap to attach the PCV
GREY wire to the stock YELLOW wire of the ECU
connector (Fig. H).
14 Reinstall the rubber boot over the stock ECU
connector and secure the ECU to its original
mounting location by reinstalling the two bolts.
FIG.G
FIG.H
15 Unplug the stock wiring harness from the Ignition Coil sub-connector (Fig. J).
This is a pair of BLACK 2-pin connectors located just above the Ignition Coil.
FIG.J
Unplug
22-071 www.powercommander.com 2015 Yamaha YZ250FX & WR250F - PCV F/I - 6
16 Plug the pair of 2-pin PCV connectors with GREEN colored wires in-line of the
stock Ignition Coil sub-harness connectors (Fig. K).
17 Continue routing the pair of PCV connectors with BROWN colored wires
forward and left of the engine towards the left side radiator (previously
loosened during step 4).
FIG.K
18 On the left side of the frame, locate and unplug the stock connectors from the
bike’s Crank Position Sensor (Fig. L).
This is a GREY 2-pin connector pair.
FIG.L
19 Plug the pair of PCV connectors with BROWN colored wires in-line of the
stock Crank Position Sensor connectors (Fig. M).
20 Make sure wiring harness routing is free and clear of any hot or moving parts.
Use ties to secure the wiring as necessary.
21 Reinstall the left radiator and the mounting bolts for it. Reinstall the fuel tank,
radiator shrouds, air filter cover, and the seat.
NOTE:
The PCV comes premapped for a stock exhaust, stock air filter on the
YZ250FX model. If you have a WR250F model make sure to download the
appropriate map.
FIG.M
Unplug
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