Inspection - Yamaha TDM850 1996 Service Manual

CAMSHAFT
8. Remove:
S Timing chain guide (exhaust)
S Camshaft cap 1
NOTE:
Remove the camshaft cap bolts in a crisscross
pattern, working from the inside to the outside.
CAUTION:
The bolts (camshaft caps) must be removed
evenly to prevent damage to the cylinder head,
camshafts or camshaft caps.

INSPECTION

1. Inspect:
S Cam lobes
Pitting/Scratches /Blue discoloration ! Re-
place.
2. Measure:
S Cam lobes length a and b
Out of specification ! Replace.
Cam lobes length limit:
Intake:
Exhaust:
3. Measure:
S Runout (camshaft)
Out of specification ! Replace.
Runout (camshaft):
Less than 0.03 mm
4-9
ENG
a 35.85 mm
b 27.85 mm
a 35.85 mm
b 27.85 mm