2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 784Get this manual

2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 784

Section 02 ENGINE Subsection 07 (TIMING CHAIN)
TIMING CHAIN
Timing Chain Removal
1Remove engine from vehicle Refer to ENGINE REMOVAL AND INSTALLATION subsection
Timing Chain Inspection
Check timing chain on timing chain gear for excessive radial play
2Drain engine oilRefer to LUBRICATION SYSTEM subsection
3Remove the valve coverRefer to CYLINDER HEAD subsection
4Remove the TIMING CHAIN GEAR, see procedure in this subsection
5Refer to MAGNETO ND ST,4RTERsubsection
and remove the following parts- agneto coveRotorStarter drive gears6Remove oi pump intermediate gears
I Timing chain 2Timing chain gear

Check tim ing chain for wear and teeth condition Plfnrl: 'r1 1

1Check leell condition

If timing chain is excessive ly orn or damaged, replace timing chain and timing chain gear as set7Oil pump Intermediate gears