Yamaha YZF-R7 User Manual

8 - 11
–+
ELEC
CHECKING THE DIODE
• Remove the diode from the coupler.
• Connect the pocket tester (Ω × 1) to the
diode as shown.
• Check the diode for continuity.
NOTE:
When you switch the tester’s positive and
negative probes, the readings in the above
chart will be reversed.
• Are the tester readings correct?
Yes → Good.
No → Replace.
Tester positive probe →
blue/white 1
Tester negative probe →
blue/yellow 2
Continu-
ity
Tester positive probe →
blue/yellow 2
Tester negative probe →
blue/white 1
No conti-
nuity
L/W
L/Y
1
2
CHECKING THE RELAY UNIT
• Remove the relay unit from the coupler.
• Connect the pocket tester (Ω × 1) to the
relay unit terminals as shown.
• Check the starting circuit cutoff relay for
continuity.
NOTE:
When you switch the tester’s positive and
negative probes, the readings in the above
chart will be reversed.
• Are the tester readings correct?
Yes → Good.
No → Replace.
Tester positive probe →
sky blue 1
Tester negative probe →
blue/yellow 2
Continu-
ity
Tester positive probe →
blue/yellow 2
Tester negative probe →
sky blue 1
No conti-
nuity
R/B L/W
W
G
Lg
L/RL/B
Sb
B/Y B B/RL/Y
2
1
IGNITION SYSTEM

Yamaha YZF-R7 Specifications

General

Bore x Stroke	80.0mm x 68.6mm
Compression Ratio	11.5:1
Fuel Delivery	Fuel injection
Final Drive	Chain
Front Brakes	Dual 298mm hydraulic disc; ABS
Rear Brakes	245mm hydraulic disc; ABS
Front Tire	120/70ZR17
Rear Tire	180/55ZR17
Wheelbase	54.9 in
Seat Height	32.9 in
Fuel Capacity	3.4 gal
Wet Weight	414 lb
Ground Clearance	5.3 in
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valves
Transmission	6-speed
Front Suspension	41mm KYB inverted fork, adjustable preload, rebound and compression damping; 5.1-in travel
Rear Suspension	Single shock, adjustable preload and rebound damping; 5.1-in travel