2005-2007 Bombardier Rally 200 Factory Service Manual, Page 125Get this manual
Section 02 ENGINE Subsection 08 (CRANKSHAFT)
Measure depth from chain tensioner plug mating surface down to chain tensioner guide, using an appropriate 13 mm (12 in) diameter pin; mark depth with scribing iron and compare measure to following tableDEPTH MEASUREMENT TABLE SERVICE LIMIT 61 mm (2.401 in)
If measurement is out of limit, replace timing chain, camshaft gear and chain tensioner guide
Removal
Remove RH footwellDrain engine oil (refer to LUBRICATION SYSTEM, see OIL CHANGE)Lock crankshaft at TDC compression position (see CRANKSHAFT LOCKING PROCEDURE above)Remove: valve cover (refer to CYLINDER AND HEAD) chain tensioner (refer to CYLINDER AND HEAD) camshaft timing gear (refer to CYLINDER AND HEAD) magneto cover and rotor (refer to MAGNETO SYSTEM) oil pump (refer to LUBRICATION SYSTEM) chain guide