2002 Bombardier Quest 650XT Service Manual, Page 103Get this manual

Section 03 ENGINE Subsection 08 (CYLINDER AND HEAD)
Rocker Arm Shaft Check for scored friction surfaces, if so, replace partsMeasure rocker arm shaft diameterROCKER ARM SHAFT DIAMETER NEW MINIMUM NEW MAXIMUM SERVICE LIMIT 19.980 mm (.7866 in) 20.007 mm (.7877 in) 19.965 mm (.7860 in)

R610motr96A

1Rocker arm (exhaust side) 2Roller ABore for rocker arm shaft

Measure rocker arm bore diameterIf diameter is out of specification, change the rocker arm assemblyROCKER ARM BORE DIAMETER NEW MINIMUM NEW MAXIMUM SERVICE LIMIT 20.007 mm (.7877 in) 20.020 mm (.7881 in) 20.035 mm (.7887 in)

R610motr98A

AMeasure rocker arm shaft diameter here

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