Removing The Camshafts And Rocker Arms - Yamaha Star XVS950A 2009 Service Manual

EAS5S71008
REMOVING THE CAMSHAFTS AND
ROCKER ARMS
1. Align:
• "I" mark on the front cylinder camshaft
sprocket
(with the arrow mark on the front cylinder
head)
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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 head.
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2. Remove:
• Front cylinder timing chain tensioner "1"
TIP
Never remove a timing chain tensioner when
the engine is mounted.
3. Remove:
• Front cylinder camshaft sprocket
TIP
• While holding the camshaft sprocket with the
rotor holding tool "1", loosen the camshaft
sprocket bolt "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
4. Remove:
• Camshaft retainer
• Front cylinder camshaft
5. Remove:
• Intake rocker arm shaft
• Exhaust rocker arm shaft
• Intake rocker arm
• Exhaust rocker arm
TIP
Remove the rocker arm shafts with the slide
hammer bolt "1" and weight "2".
5-14
CAMSHAFTS