Checking The Timing Chain Tensioner; Installing The Camshafts - Yamaha 2007 XP500 Service Manual

a. 1/4 tooth
b. Correct
1. Timing chain roller
2. Camshaft sprocket
2. Check:
Timing chain guide (intake side)"1"
G
Timing chain guide (exhaust side)"2"
G
Timing chain guide (top side)"3"
G
Damage/wear → Replace the defective
part(s).
EAS23960

CHECKING THE TIMING CHAIN TENSIONER

The following procedure applies to the timing
chain tensioner.
1. Check:
Timing chain tensioner
G
Cracks/damage → Replace.
MMMMMMMMMMMMMMMMMMMMMM
a. Push the timing chain tensioner rod "1" into
the timing chain tensioner housing by hand.
NOTE:
While pushing the timing chain tensioner rod "a",
turn it clockwise "b" with the timing chain ten-
sioner body "2" until if stops.
b. Lock the timing chain tensioner rod "1" by set-
ting the circlip "3" to groove"4" while pushing
the timing chain tensioner rod.
4
c. Push the timing chain tensioner rod "c".
d. Make sure that the timing chain tensioner rod
comes out "d" of the timing chain tensioner
housing smoothly. If there is rough move-
ment, replace the timing chain tensioner.
c
d
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EAS24000

INSTALLING THE CAMSHAFTS

1. Install:
Intake camshaft "1"
G
Exhaust camshaft "2"
G
5-11
CAMSHAFTS
b
a
1
3
2