Checking The Camshafts - Yamaha XVZ13TF 1999 Service Manual

CAMSHAFTS
Front cylinder head
NOTE:
When removing the front cylinder camshafts,
repeat the rear cylinder camshaft removal pro-
cedure. However, note the following points.
1. Turn:
S crankshaft
NOTE:
From the "–" and "I" marks, turn the crankshaft
counterclockwise 430_ (i.e., 360_ plus an addi-
tional 70_).
2. Align:
S "–" mark
(with the stationary pointer)
EB401401

CHECKING THE CAMSHAFTS

1. Check:
S camshaft lobes
Blue discoloration/pitting/scratches ! Re-
place the camshaft.
2. Measure:
S camshaft lobe dimensions a and b
Out of specification ! Replace the cam-
shaft.
Camshaft lobe dimension limit
Intake
a 35.65 mm
b 27.85 mm
Exhaust
a 35.65 mm
b 27.85 mm
3. Measure:
S camshaft runout
Out of specification ! Replace.
Camshaft runout
Less than 0.03 mm
4-14
ENG