Gearbox - Can-Am DS 450 2008 Shop Manual

Section 02 TROUBLESHOOTING
Subsection 01 (TECHNICAL GUIDELINES (ENGINE))
Symptom:
UNUSUAL ENGINE NOISE AND/OR VIBRATIONS
3. Balance shaft bearing failure.
-
Check balance shaft bearings for damages. Replace bearings.
4. Damaged connecting rod.
-
Check if the connecting rod big end clearance is within specifications. Repair and/or replace.
-
Check the connecting rod small end bearing condition. Replace damaged and/or worn out part(s).

GEARBOX

Symptom:
UNUSUAL ENGINE NOISE AND/OR VIBRATIONS
1. Low oil level.
-
Check items 1 of LOW OR NO OIL PRESSURE in LUBRICATION SYSTEM above in this section.
2. Gearbox parts failure.
-
Check gears for wear or broken tooth. Replace defective parts.
-
Check if main shaft and clutch shaft bearings turn freely and smoothly. Replace bearing(s).
-
Check condition of needle bearings on main shaft and on clutch shaft. Replace defective part(s).
Symptom:
GEAR(S) IS (ARE) HARD TO SHIFT
1. Poor quality or inadequate engine oil.
-
Check engine oil. Incorrect oil being used. Replace with BRP recommended oil.
2. Engine idle speed too high.
-
Check throttle cable adjustment.
-
Check bypass idle valve and connectors.
3. Poor clutch adjustment.
-
Adjust clutch cable.
4. Damaged clutch components.
-
Check clutch plates wear and warpage. Replace clutch plates.
-
Check clutch release shaft and its bearing. Replace defective part(s).
5. Faulty inner shifting parts.
-
Check alignment of shift shaft with shift drum. Adjust shift shaft.
-
Check shift gears for wear or broken tooth. Replace defective parts.
-
Check for bent shift fork claws. Replace shift fork.
-
Check engagement pins for wear or other damages. Replace pins.
-
Check shift drum tracks for heavy wear. Replace shift drum.
14
(cont'd)
vmr2008-007