Yamaha YZF-R7 User Manual

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CHK
ADJ
ADJUSTING THE DRIVE CHAIN SLACK
2. Rotate the rear wheel several times and
check the drive chain to locate its tight-
est point.
3. Measure:
• drive chain slack a
Out of specification → Adjust.
Drive chain slack
40 ~ 50 mm (1.57 ~ 1.97 in)
4. Adjust:
• drive chain slack
▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼ ▼
a. Loosen the wheel axle nut 1 and
wheel axle.
b. Loosen both locknuts 2.
c. Turn both adjusting bolts 3 in direc-
tion a or b until the specified drive
chain slack is obtained.
NOTE:
To maintain the proper wheel align-
ment, adjust both sides evenly.
d. Tighten both locknuts.
e. Tighten the wheel axle and wheel
axle nut to specification.
▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲
Direction a
Drive chain slack is
decreased.
Direction b
Drive chain slack is
increased.
T
R
.
.
Wheel axle
150 Nm
(15.0 m • kg, 110 ft • lb)
Wheel axle nut
45 Nm (4.5 m • kg, 32 ft • lb)
1

1

2

2

3

3

aa
bb

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