2002 Bombardier Quest 650XT Service Manual, Page 106Get this manual
Subsection 08
Section 03 ENGINE (CYLINDER AND HEAD)
Inspection
Check decompressor shaft for service limit, replace if it out of specificationsInstallation
The installation is essentially the reverse of the removal procedure but, pay attention to the following detailsEngage the edge of centrifugal weight into the decompressor shaft groove then put the parts in place
R610motr105A
Decompressor shaft Measure here Measurement on top end of decompressor shaft 5.5 mm (.217 in)
DECOMPRESSOR SHAFT MEASUREMENT NEW MINIMUM NEW MAXIMUM SERVICE LIMIT 5.978 mm (.235 in) 5.990 mm (.236 in) 5.850 mm (.230 in)