Yamaha VMX12H Supplementary Service Manual page 197

ENGINE ASSEMBLY AND ADJUSTMENT
4. Install:
Camshafts
By the following installation steps.
instal lation steps :
t
the mark
with the stationary pointer
32
case cover use mm wrench.
Never turn the flywheel installing bolt.
Rotating the bolt may loosen it, causing
to
the rotor fall out.
not turn the crankshaft during the cam-
shafts installation.
the cam chain sprockets onto the
camshafts.
VOTE:
sure the "REAR" mark
sprockets face away from the "IN"
and "EX" mark
nark
engine oil to the camshaft bearing
surfaces.
"IN"
Install the marked camshaft onto the
intake side and "EX" marked camshaft onto
the exhaust side.
the camshafts by hand so that the
timing markes
camshaft face upward.
Install the dowel pins into the cam caps.
the cam caps (Nos.
the camshaft.
NOTE:
not install No. 2 intake and No.
haust cam caps a t this stage.
numbers are punched on the cam-
shaft caps in increments from right t o
left.
on the flywheel
on the crank-
on the cam
on the camshafts.
small hole) on the
and 4) onto
2
ex.