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Yamaha YZF-R7 User Manual

Yamaha YZF-R7
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6 - 10
EFI
ELECTRONIC FUEL INJECTION
CHECKING THE PRESSURE REGULATOR
1. Check:
• pressure regulator
Damage
→
Replace.
EAS00502
CHECKING AND ADJUSTING THE
THROTTLE POSITION SENSOR
NOTE:
Before adjusting the throttle position
sensor, the engine idling speed should
be properly adjusted.
1. Check:
• throttle position sensor
(installed on the throttle body)
â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼ â–¼
a. Disconnect the throttle position sen-
sor coupler from the throttle position
sensor.
b. Connect the pocket tester (
Ω
×
1k) to
the throttle position sensor.
c. Measure the maximum throttle posi-
tion sensor resistance.
Out of specification
→
Replace the
throttle position sensor.
Positive tester probe
→
blue terminal
1
Negative tester probe
→
black/blue terminal
2
Maximum throttle position
sensor resistance
4.0 ~ 6.0 k
Ω
at 20 ËšC (68 ËšF)
(blue — black/blue)
B/L
YL
2 3 1

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Yamaha YZF-R7 Specifications

General IconGeneral
Bore x Stroke80.0mm x 68.6mm
Compression Ratio11.5:1
Fuel DeliveryFuel injection
Final DriveChain
Front BrakesDual 298mm hydraulic disc; ABS
Rear Brakes245mm hydraulic disc; ABS
Front Tire120/70ZR17
Rear Tire180/55ZR17
Wheelbase54.9 in
Seat Height32.9 in
Fuel Capacity3.4 gal
Wet Weight414 lb
Ground Clearance5.3 in
Engine TypeLiquid-cooled, 4-stroke, DOHC, 4-valves
Transmission6-speed
Front Suspension41mm KYB inverted fork, adjustable preload, rebound and compression damping; 5.1-in travel
Rear SuspensionSingle shock, adjustable preload and rebound damping; 5.1-in travel

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