Checking The Timing Chain Tensioner; Installing The Cylinder Head - Yamaha T135SE Service Manual

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Yamaha T135 Service Manual
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CYLINDER HEAD
EAS00210
CHECKING THE TIMING CHAIN
TENSIONER
1. Check:
9timing chain tensioner
Cracks/damage → Replace.
MMMMMMMMMMMMMMMMMMMMMMMM
a. While lightly pressing the timing chain ten-
sioner rod by hand, turn the tensioner rod
fully clockwise with a thin screwdriver 1.
b. Remove the screwdriver and slowly release
the timing chain tensioner rod.
c. Make sure that the timing chain tensioner
rod comes out of the timing chain tensioner
housing smoothly. If there is rough move-
ment, replace the timing chain tensioner.
LLLLLLLLLLLLLLLLLLLLLLLL
2. Check:
9cap bolt
9one-way cam
9timing chain tensioner rod
Damage/wear → Replace the defective
part(s).
EAS00232

INSTALLING THE CYLINDER HEAD

1. Install:
9timing chain guide (exhaust side) 1
9dowel pins 2
9gasket 3
2. Install:
9cylinder head
9washers
9cylinder head bolts
9cylinder head bolts
9engine mount bolt
9washer
9engine mount nut
NOTE:
Pass the timing chain through the timing chain
cavity.
4-13
ENG