ODES UTV Desertcross 1000cc-3, Maintenance Manual

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3. ENGINE
3-
66
GENERAL
IMPORTANT: Note position of parts on
disassembly. This may help to find the root cause
of a problem. A component that is not replaced
should be reinstalled in the same position as
originally mounted.
TROUBLESHAOOTONG
UNUSUAL ENGINE NOISE OR VIBRATION
1. IMPROPER VALVE CLEARANCE
ADJUSTMENT AND/OR WORN OUT ROCKER
ARM(S)
-Readjust valve clearance and/or replace defective
part(s), refer to TOP END subsection.
2. DEFECTIVE CHAIN TENSIONER
-Replace chain tensioner
3. WORN OUTTIMING CHAIN GUIDE(S)
-Replace chain guide(s)
4. STRETCHED TIMING CHAIN OR WORN
OUT TIMING GEARS
-Replace timing chain and timing gears.
5. LOOSE TIMING GEAR RETAINING
SCREWS
-Retighten screws to recommender torque.
6. INCORRECT CAMSHAFT TIMING
-Replace damaged components and readjust
camshaft timing.
ENGINE LACKS ACCELERATION OR
POWER
1. INCORRECT CAMSHAFT TIMING
_Replace damaged components and readjust
camshaft timing.
PROCEDURES
TIMING CHAIN TENSIONERS
Timing Chain Tensioner Location
800R Engine
The timing chain tensioner is located in the
cylinder head.
800R Engine-(FRONT CYLINDER SHOWN)
1. Timing chain tensioner
1000 Engine
The timing chain tensioner is located in the
cylinder.
800R Engine-(FRONT CYLINDER SHOWN)
1. Timing chain tensioner
Timing Chain Tensioner Removal
1. Make sure the respective cylinder is set to TDC
ignition. Refer to CAMSHAFT TIMING GEARS
in this subsection.
2. Carefully unscrew chain tensioner plug and
release spring tension.
△
CAUTION Tensioner is spring loaded.
3. Remove:
- O-ring
- Spring
- Chain tensioner plunger