Removing The Camshafts - Yamaha YP400T Service Manual

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c
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d
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CAMSHAFTS
EAS00198

REMOVING THE CAMSHAFTS

1. Remove:
• timing plug
• V-belt case air filter cover 1
• V-belt case air filter element
2. Align:
• TDC mark on the generator rotor
(with the stationary pointer on the generator
rotor cover)
M MMM M MMM M M MMM M M MMM M
a. Turn the primary sheave nut on the left side
of the crankshaft counterclockwise to turn
the crankshaft.
b. Align the "I" mark a on the generator rotor
with the stationary pointer b on the genera-
tor rotor cover to position the piston at TDC
on the compression stroke.
NOTE:
_
• TDC on the compression stroke can be
found when the camshaft lobes are turned
away from each other.
• In order to be sure that the piston is at TDC,
the punch marks c on the intake camshaft
sprocket and the punch mark d on the
exhaust camshaft sprocket must align with
the cylinder head mating surface as shown in
the illustration.
L LLL L LLL L L LLL L L LLL L
3. Loosen:
• camshaft sprocket bolts 1
4. Loosen:
• timing chain tensioner cap bolt 1
5. Remove:
• timing chain tensioner 2
• gasket
ENG
M MMM M M MMM M MMM
L LLL L L LLL L LLL