2008 Arctic Cat ATVs factory service and repair manual, Page 16Get this manual
CHECKING AND CLEANING DRAINS 1Inspect the drains beneath the main housing for debris and for proper sealingThe feeler gauge must be positioned at the same angle as the valve and valve adjuster for an accurate measurement of clearanceFailure to measure the valve clearance accurately could cause valve component damage 1 Intake
VALVEITAPPET CLEARANCE (4001500)
10.05-0.10 mm (0.002-0.004 in 10.22-0.27 mm (0.009-0.011 in 10.17-0.22 mm (0.007-0.009 in
1 Exhaust (400)
1 Exhaust (500)
1 Intake
VALVEITAPPET CLEARANCE (HI Models)
10.1016 mm (0.004 in 0.1524 mm (0.006 in
1 Exhaust
2Replace any drain that is cracked or shows any signs of hardening or deterioration
A CAUTION
The drain to the right is the clean air section of the filter housingAny leak of this drain will allow dirt into the engine intake causing severe engine dam-