Yamaha YZ450FA Automobile User Manual


 
3-9
ENGINE
CHECKING THE COOLING SYSTEM
1. Inspect:
• Coolant level
2. Attach:
• Radiator cap tester "1" and adapter "2"
3. Apply the specified pressure.
• Do not apply pressure more than specified
pressure.
• Radiator should be filled fully.
4. Inspect:
•Pressure
Impossible to maintain the specified pres-
sure for 10 seconds Repair.
•Radiator
• Radiator hose joint
Coolant leakage Repair or replace.
• Radiator hose
Swelling Replace.
ADJUSTING THE CLUTCH LEVER
POSITION
1. Adjust:
• Clutch lever position
Clutch lever position adjustment steps:
a. Loosen the locknuts "1".
b. Turn the adjusting bolt "2" until the clutch le-
ver position "a" is in the desiered position.
c. Tighten the locknuts.
2. Adjust:
• Clutch cable free play
Refer to "ADJUSTING THE CLUTCH CA-
BLE FREE PLAY".
ADJUSTING THE CLUTCH CABLE FREE
PLAY
1. Check:
• Clutch lever free play "a"
Out of specification Adjust.
2. Adjust:
• Clutch lever free play
Clutch lever free play adjustment steps:
a. Loosen the locknuts "1".
b. Turn the adjuster "2" until free play "a" is
within the specified limits.
c. Tighten the locknuts.
Radiator cap tester:
YU-24460-01/90890-01325
Radiator cap tester adapter:
YU-33984/90890-01352
Standard pressure:
196 kPa (1.96 kg/cm
2
, 27.9 psi)
Locknut:
5 Nm (0.5 m•kg, 3.6 ft•lb)
Clutch lever free play "a" :
7–12 mm (0.28–0.47 in)
Locknut:
4 Nm (0.4 m•kg, 2.9 ft•lb)