Checking The Timing Chain Tensioner; Installing The Camshafts - Yamaha TMAX XP500F 2015 Service Manual

EAS30266

CHECKING THE TIMING CHAIN TENSIONER

1. Check:
• Timing chain tensioner
Cracks/damage → Replace.
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a. Push the timing chain tensioner rod "1" into
the timing chain tensioner housing by hand.
TIP
While pushing the timing chain tensioner rod "a",
turn it clockwise "b" with the timing chain ten-
sioner body "2" until if stops.
b
b. Lock the timing chain tensioner rod by setting
the circlip "3" to groove "4" while pushing the
timing chain tensioner rod.
3
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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2
a
1
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5-16
EAS30269

INSTALLING THE CAMSHAFTS

1. Install:
• Exhaust camshaft "1"
• Intake camshaft "2"
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a. Turn the crankshaft clockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the "I" mark "a" on the gen-
erator rotor with the stationary pointer "b" on
the generator cover.
c. Install the timing chain onto both camshaft
sprockets, and then install the camshafts
onto the cylinder head.
TIP
• Lubricate the camshaft journal with the molyb-
denum disulfide oil.
• When installing the timing chain, start with the
exhaust camshaft and be sure to keep the tim-
ing chain as tight as possible on the exhaust
side.
CAMSHAFTS
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