ODES UTV Desertcross 1000cc-3, Maintenance Manual

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3. ENGINE
3-
47
1. Rocker arm (exhaust side)
2. Roller
3. Bore for rocker arm shaft
Measure rocker arm bore diameter. If diameter is
out of specification, change the rocker arm
assembly.
ROCKER ARM BORE DIAMETER
NEW 12.036mm to12.050mm
.4739in to.4744in)
SERVICE
LIMIT
12.060 mm (.4748in)
Check adjustment screws for free movement,
cracks and/or excessive play.
1. Free movement of adjustment screw top
Rocker Arm Shaft Inspection
Check for scored friction surfaces; if so, replace
parts.
Measure rocker arm shaft diameter
A. Measure rocker arm shaft diameter here
ROCKER ARM SHAFT DIAMETER
NEW
12.00mm
to12.018mm
(.4724in to.4731 in)
SERVICE LIMIT 11.990mm(.472in)
Any area worn excessively will require parts
replacement.
Rocker Arm Installation
NOTE: Use the same procedure for exhaust and
intake rocker arm.
Apply engine oil on rocker arm shaft.
Install the rocker arm shafts with the chamfered
edge first and use following procedure.
Insert a rocker arm pin through rocker arm pin
bore.
Install a thrust washer at timing chain side, then
the proper rocker arm(exhaust side or intake side).
Push in rocker arm shaft until its chamfer reaches
the end of rocker arm bore.
1. Rocker arm shaft
2. Thrust washer (timing chain side)
3. Thrust washer (spark plug side)
Place the other thrust washer and push rocker arm
shaft to end position.
Install the camshaft retaining plate.
Adjust valve clearance, refer to PEROODIC
MAINTENANCE PROCEDURE