Section 03
ENGINE
Subsection 02
(TROUBLESHOOTING)
VMR2004_125_03_02A.FM
03-02-11
SYMPTOM
ENGINE MAXIMUM RPM IS TOO HIGH AND TOP SPEED IS NOT REACHED.
CONDITION
NORMAL USE.
Test/Inspection
1. Check items 1 to 3 of THE ATV ACCELERATES SLOWLY, ESPECIALLY WHEN IT
IS STOPPED.
2. Check drive/driven pulley spring tension.
a. Drive pulley spring tension is too stiff.
Replace spring (recommended Bombardier spring).
b. Driven pulley spring tension is too smooth and/or damaged (refer to CVT).
Replace spring.
3. Check drive/driven pulley area for contamination and/or water intrusion.
a. CVT area is contaminated with water, dirt or oil.
Clean CVT system and replace damaged part(s).
SYMPTOM
DRIVE PULLEY NOISE IN IDLE SPEED.
CONDITION
NORMAL USE.
Test/Inspection
1. Check slider shoes (drive pulley).
a. Worn slider shoes (increased clearance between governor cup and drive pulley
sliding half).
Replace all slider shoes at the same time (slider shoes kit).
2. Check driven pulley sliding mechanism (between driven pulley outer and inner
half).
a. Mechanism is stucked and/or damaged.
Replace driven pulley assembly.
3. Check roller(s) and/or levers for wear (located on sliding half of drive pulley).
a. Roller(s) on governor cup is (are) worn out and/or damaged
(refer to CVT)
.
Replace governor cup assembly.
b. Lever(s) on drive pulley sliding half is (are) worn out and/or damaged
(refer to CVT)
.
Replace all levers at the same time (lever kit).
4. Check drive pulley screw for torque.
a. Loose screw.
Retighten screw with recommended torque.
5. Check one-way clutch condition on drive pulley sliding half.
a. Bearing(s) do(es) not move freely.
Replace damaged part(s) and lubricate inside of one-way clutch (refer to CVT).
b. Spring sleeve(s) inside one-way clutch is (are) worn out.
Replace both sleeves and springs and lubricate inside of one-way clutch
(refer to CVT).
c. Spring(s) inside one-way clutch is (are) worn out.
Replace both pins and springs and lubricate inside of one-way clutch (refer to CVT).