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ENG
CAMSHAFTS
EB401401
CHECKING THE CAMSHAFTS
1. Check:
• camshaft lobes
Blue discoloration/pitting/scratches
→
Replace the camshaft.
2. Measure:
• camshaft lobe dimensions
a
and
b
Out of specification
→
Replace the
camshaft.
Camshaft lobe dimensions
limit
Intake camshaft
a
33.31 mm (1.3114 in)
b
24.90 mm (0.9803 in)
Exhaust camshaft
a
32.95 mm (1.2972 in)
b
24.936 mm (0.9817 in)
3. Measure:
• camshaft runout
Out of specification
→
Replace.
Maximum camshaft runout
0.03 mm (0.0012 in)
4. Measure:
• camshaft journal-to-camshaft cap
clearance
Out of specification
→
Measure the
camshaft journal diameter.
Camshaft journal-to-camshaft
cap clearance
0.035 ~ 0.069 mm
(0.0014 ~ 0.0027 in)
Summary of Contents for YZF-R7
Page 1: ...5FL 28199 E0 YZF R7 OWNER S SERVICE MANUAL ...
Page 8: ......
Page 58: ...2 20 SPEC Crankcase tightening sequence TIGHTENING TORQUES ...
Page 72: ...3 3 CHK ADJ ...
Page 363: ...8 27 ELEC ...
Page 380: ......