Removing The Camshaft Assemblies - Yamaha Star XVS13AA(C) 2011 Service Manual

EAS3D81020

REMOVING THE CAMSHAFT ASSEMBLIES

1. Align:
• "I" mark on the front cylinder camshaft
sprocket
(with the arrow mark on the front cylinder
camshaft carrier)
M MMM M MMM M M MMM M M MMM M
Front cylinder
a. Turn the crankshaft counterclockwise.
b. When the front 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.
TIP
To position the front cylinder piston at TDC on
the compression stroke, align the "I" mark "c" on
the camshaft sprocket with the arrow mark "d"
on the front cylinder camshaft carrier.
d
L LLL L LLL L L LLL L L LLL L
2. Remove:
• Front cylinder timing chain tensioner "1"
TIP
Never remove a timing chain tensioner when the
engine is mounted.
M MMM M M MMM M MMM
b
a
c
L LLL L L LLL L LLL
5-22
3. Remove:
• Front cylinder camshaft sprocket
TIP
• While holding the camshaft sprocket with the
rotor holding tool "1", loosen the camshaft
sprocket bolts "2".
• To prevent the timing chain from falling into the
crankcase, fasten it with a wire.
Rotor holding tool
90890-01235
Universal magneto & rotor holder
YU-01235
1
4. Remove:
• Front cylinder camshaft assembly
TIP
Loosen the bolts in the proper sequence as
shown.
4
1
A. Intake side
B. Exhaust side
CAMSHAFTS
1
2
1
A
2
3
B