Installing The Camshafts - Yamaha 2002 TDM900 Service Manual

CAMSHAFT

INSTALLING THE CAMSHAFTS

1. Align:
S "T" mark on the generator rotor a
(with the stationary pointer on the generator
cover b )
a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC, align the "T" mark
a with the stationary pointer b on the gen-
erator rotor.
2. Install:
S exhaust camshaft 1
(with the camshaft sprocket temporarily
tightened)
NOTE:
Make sure the punch mark on the camshaft face
up.
3. Install:
S dowel pins
S exhaust camshaft caps
NOTE:
S Make sure each camshaft cap is installed in its
original place.
S Make sure the arrow mark a on each cam-
shaft cap points towards the right side of the
engine.
4. Install:
S camshaft cap bolts
NOTE:
Tighten the camshaft cap bolts in stages and in
a crisscross pattern, working from the inner
caps out.
CAUTION:
S Lubricate the camshaft cap bolts with the
engine oil.
S The camshaft cap bolts must be tightened
evenly or damage to the cylinder head,
camshaft caps, and camshafts will result.
S Do not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
5-15
ENG
10 Nm (1.0 mSkg)