Installation - Yamaha TDM850 1996 Service Manual

CAMSHAFT

INSTALLATION

1. Install:
S Exhaust camshaft 1
S Intake camshaft 2
(with camshaft sprocket temporarily tighten)
S Dowel pins 3
NOTE:
Install the camshaft with the punch mark a facing
upward.
2. Install:
S Camshaft caps
NOTE:
S Install the camshaft cap with the arrow mark a
embossed facing timing chain of the engine.
S Tighten the camshaft cap bolts in a crisscross
pattern from the inside to outwards.
S Do not install the bolts at b marked place in this
stage.
CAUTION:
The camshaft cap bolts must be tightened
evenly or damage to the cylinder head, cam-
shaft caps and camshaft will result.
3. Install:
S Camshaft sprockets
Installation steps:
S Turn the crankshaft counterclockwise until the
"T" mark a on the A.C. magneto is aligned with
the stationary pointer b on the crankcase cover
(left) when #1 piston is at TDC.
S Fit the timing chain onto both camshaft sprockets
and install the camshaft sprockets on the cam-
shafts.
NOTE:
When installing the camshaft sprockets, start with
the exhaust camshaft to keep the timing chain as
tense as possible on the exhaust side, and set the
match marks c to be parallel with the case sur-
face on the corresponding sides.
"I": Intake side
"E": Exhaust side
4-11
ENG
10 Nm (1.0 mSkg)