CHAPTER 3A ENGINE 260/ 300 / 400 cc ATV SERVICE MANUAL09.0
CHAPTER 3 ENGINE PAGE. 3A- 23
2. Tighten:
zNuts (cylinder head)
zBolts (cylinder)
3. Install:
zCam sprocket c
zTiming chain d
Installing steps :
zTurn the primary sheave counterclockwise until
the TDC mark ○
a
matches the stationary pointer
○
b
.
zAlign the "I" mark ○
c
on the cam sprocket with
the stationary pointer ○
d
on the cylinder head.
NOTE: If any special mark found, contact the
ATV manufacture via the agent for the parts and
special instruction.
zFit the timing chain onto the cam sprocket and
install the cam sprocket on the camshaft.
NOTE:
zWhen installing the cam sprocket, keep the
timing chain as tense as possible on the exhaust
side.
zAlign the match mark ○
c
on the cam sprocket
with the stationary pointer ○
d
on the cylinder
head.
zAlign the pin on the cam shaft with the slot in
the cam sprocket.
CAUTION:
Do not turn the crankshaft during installation of
the cam shaft. Dam age or improper valve
timing will result.
zWhile holding the camshaft, temporarily
tighten the bolts .
zRemove the safety wire from the timing chain.
4. Install:
zBreather plate c
zPlane washer d
5. Install:
zTiming chain tensioner
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