Liangzi Power UTV1000-3, Maintenance Manual

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11. TROUBLESHOOTING
11- 5

Rocker arm(s) is (are) worn out (valve adjustment). Readjust valve
clearance and/or replace rocker arm(s).

Incorrect camshaft timing adjustment. Replace damaged components and
readjust camshaft timing (refer to cylinder and head).
Symptom: OIL CONTANMINATION ON CYLINDER AND/OR HEAD
1. Check screws for torque.

Loose screws. Retighten screws with recommended torque.

Gaskets are brittle, hard, worn out or otherwise damaged. Replace
damaged gaskets, O-rings or the V-ring on breather.
CRANKSHAFT
Symptom: UNUSUAL ENGINE NOISE AND/OR VIBRATION
1. Check noise coming from crankshaft area..

Crankshaft plain bearings are damaged,. Replace crankshaft plain
bearings.

Connecting rod plain bearings are damaged. Replace connecting rod plain
bearings.

Magneto rotor got loose. Replace damaged components and retighten rotor
retaining screw with recommended torque (refer to MAGNETO SYSTEM).
GEARBOX
Symptom: UNUSUAL GEARBOX NOISE AND/OR VIBRATION
1. Check oil level in gearbox.

Oil leakage from gearbox. Replace damaged gasket(s) and/or oil seal(s),
torque screws and refill with oil up to specified level (refer to TECHNICAL
SPECIFICATIONS and GEARBOX)
2. Check bearings in the gearbox for free movement.

Bearing(s) do(es) not move freely. Replace bearing(s)
3. Check for knocking noise.

Tooth of gears are damaged and/or worn. Replace respective gears.
Symptom: GEAR INDICATION FAILS.
1. Check contact screws on gear housing center.

Check contact screw outside for contamination and wetness. Clean contact
screw and screw for wiring harness.

Contact(s) is (are) corroded and/or contact screw for wiring harness got
loose. Clean contact surface and retighten contact screw(s) with recommended
torque.

Wiring harness has broken cables. Replace wiring harness.

Shifting indicator switch(es) pin(s) is (are) worn and/or damaged. Replace
shifting indicator switch(es).
Symptom: GEAR(S) IS (ARE) HARD TO SHIFT