2002 Bombardier Quest 650XT Service Manual, Page 58Get this manual
Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
SYMPTOM CONDITION TestInspection
STARTER TURNS, BUT ENGINE DOES NOT CRANKNORMAL USE1Check starter drive pinion gearaWorn starter drive pinion gearReplace pinion gear2Check clutch movement on splinesaPoor movement of clutch on splinesClean and correct3Check spring on starter driveaSpring damagedClean and replace starter drive4Check ring gear on drive pulley fixed halfaExcessively worn ring gearReplace fixed half
SYMPTOM CONDITION TestInspection