Removing The Camshafts - Yamaha XP500 Service Manual

CAMSHAFTS

REMOVING THE CAMSHAFTS

1. Remove:
• timing plug 1
2. Align:
• "I" mark a on the A.C. magneto rotor
(with the stationary pointer b on the A.C.
magneto cover)
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a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the "I" mark a on the A.C.
magneto rotor with the stationary pointer b
on the A.C. magneto rotor cover.
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 alignment mark c on the intake cam-
shaft sprocket and the alignment 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
3. Loosen:
• timing chain tensioner cap bolt 1
4. Remove:
• timing chain tensioner 2
• timing chain tensioner gasket 3
5 - 9
ENG
M M MMM M M MMM M
L L LLL L L LLL L
M MMM M MMM
L LLL L LLL