Checking The Camshafts - Yamaha XV1700PCRC Service Manual

CAMSHAFTS
EAS00204

CHECKING THE CAMSHAFTS

1. Check:
• cam
Blue discoloration/pitting/scratches →
Replace the camshaft.
2. Measure:
• cam dimensions a and b
Out of specification → Replace the cam-
shaft.
Camshaft lobe dimension limit
Intake camshaft
a 38.231 ~ 38.331 mm
(1.5052 ~ 1.5091 in)
b 32.013 ~ 32.113 mm
(1.2604 ~ 1.2643 in)
Exhaust camshaft
a 38.232 ~ 38.332 mm
(1.5052 ~ 1.5091 in)
b 31.995 ~ 32.095 mm
(1.2596 ~ 1.2636 in)
3. Measure:
• camshaft journal diameter (crankcase side)
a
Out of specification → Replace the cam-
shaft.
Camshaft journal diameter
(crankcase side)
24.937 ~ 24.950 mm
(0.9818 ~ 0.9823 in)
4. Measure:
• camshaft journal diameter (camshaft cover
side) b
Out of specification → Replace the cam-
shaft.
Camshaft journal diameter
(camshaft cover side)
27.967 ~ 27.980 mm
(1.1011 ~ 1.1016 in)
5 - 28
ENG