2002 Bombardier Quest 650XT Service Manual, Page 47Get this manual

Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
GEARBOX
SYMPTOM CONDITION TestInspection UNUSUAL ENGINE NOISE ANDOR VIBRATIONS NORMAL USE1Check bearings in the gearbox for free movementaBearing(s) do(es) not move freelyReplace bearing(s)2Check backlash on the output shaftaBacklash exceeds service limitPerform bevel gear adjustment and replace distance shims
SYMPTOM CONDITION TestInspection

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives