Yamaha Star XVS950A 2009 Service Manual page 210

9. Install:
• Rear cylinder camshaft sprocket
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Rear cylinder
a. Turn the crankshaft counterclockwise from
the front cylinder piston TDC by 300
degrees.
b. When the rear cylinder piston is at TDC on
the compression stroke, align the TDC
mark "a" on the generator rotor with the slot
"b" in the generator cover.
c. Install the timing chain "1" onto the rear cyl-
inder camshaft sprocket "2", then install the
camshaft sprocket onto the camshaft, and
then finger tighten the camshaft sprocket
bolt "3".
ECA13740
Do not turn the crankshaft when installing
the camshaft(s) to avoid damage or
improper valve timing.
TIP
• To position the rear cylinder piston at TDC on
the compression stroke, align the "I" mark "c"
on the camshaft sprocket with the arrow
mark "d" on the rear cylinder head.
• When installing the rear cylinder camshaft
sprocket, be sure to keep the timing chain as
tight as possible on the intake side.
d. Remove the wire from the timing chain.
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10. Tighten:
• Rear cylinder camshaft sprocket bolt "1"
TIP
While holding the camshaft sprocket with the
rotor holding tool "2", tighten the camshaft
sprocket bolt.
Rotor holding tool
90890-01235
Universal magneto & rotor
holder
YU-01235
Camshaft sprocket bolt
55 Nm (5.5 m·kgf, 40 ft·lbf)
5-19
CAMSHAFTS