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Yamaha YZ426FM/LC Manuel D'atelier page 278

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Timing chain tensioner
ASSEMBLY AND INSTALLATION
4 - 22
CAMSHAFTS
1. Check:
While pressing the tensioner rod lightly
with fingers, use a thin screwdriver 1
and wind the tensioner rod up fully
clockwise.
When releasing the screwdriver by
pressing lightly with fingers, make sure
that the tensioner rod will come out
smoothly.
If not, replace the tensioner assembly.
1. Install:
Exhaust camshaft 1
Intake camshaft 2
Installation steps:
Turn the crankshaft counterclockwise until
the "I" mark a on the rotor is aligned with
the stationary pointer b on the crankcase
cover.
Fit the timing chain 3 onto both camshaft
sprockets and install the camshafts on the
cylinder head.
NOTE:
The camshafts should be installed onto the
cylinder head so that the exhaust cam
sprocket punch mark c and the intake cam
sprocket punch mark d align with the sur-
face of the cylinder head.
ENG

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Ce manuel est également adapté pour:

Yz426f/lc