Yamaha 2001 YZ426F/LC, Руководство по эксплуатации для владельца

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ENG
CAMSHAFTS
6. Remove:
●
Clips
●
Dowel pins
●
Exhaust camshaft 1
●
Intake camshaft 2
NOTE:
Attach a wire 3 to the timing chain to prevent
it from falling into the crankcase.
INSPECTION
Camshaft
1. Inspect:
●
Cam lobes
Pitting/scratches/blue discoloration
→
Replace.
2. Measure:
●
Cam lobes length
a
and
b
Out of specification
→
Replace.
Cam lobes length:
Intake:
a
31.7 ~ 31.8 mm
(1.2480 ~ 1.2520 in)
<Limit>: 31.6 mm (1.244 in)
b
22.95 ~ 23.05 mm
(0.9035 ~ 0.9075 in)
<Limit>: 22.85 mm (0.900 in)
Exhaust:
a
31.2 ~ 31.3 mm
(1.2283 ~ 1.2323 in)
<Limit>: 31.1 mm (1.224 in)
b
22.95 ~ 23.05 mm
(0.9035 ~ 0.9075 in)
<Limit>: 22.85 mm (0.900 in)
3. Measure:
●
Runout (camshaft)
Out of specification
→
Replace.
Runout (camshaft):
Less than 0.03 mm (0.0012 in)