ODES WORKCROSS UTV650 - Page 162

8.ENGINE
8-61
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
The timing chain tensioner is located in
the cylinder.
1. Timing chain tensioner
Removing the Timing Chain Tensioner
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
1. Chain tensioner plug
2. O-ring
3. Spring
4. Chain tensioner plunger
4. Remove:
- Chain tensioner housing retaining
screws
- Chain tensioner housing
- O-ring.