Polaris 2009 Outlaw 450 MXR, Owner'S Manual

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96
Maintenance
Periodic Maintenance Chart
Item Maintenance Interval
(whichever comes first)
Remarks
Hours Calendar Fuel Used
in gallons (liters)
E Compression ring 90 -- 156 (600) See your dealer or refer to the Dealer
Service Manual; measure ring gap and
replace if at or below service limit
E Oil scraper ring 90 -- 156 (600)
Camshaft 90 -- 156 (600) Visual inspection for wear
Valve spring cap 90 -- 156 (600) Visual inspection for wear
E Camshaft bearings 90 -- 156 (600) Replace
E Valve springs 90 -- 156 (600) See your dealer or refer to the Dealer
Service Manual; perform measurements;
replace as needed
E Valve seats/guides 90 -- 156 (600)
E Rocker arm rollers 90 -- 156 (600)
E Timing chain 90 -- 156 (600) Measure elongation; replace as needed
Cam chain tensioner 90 -- 156 (600) Check ratchet teeth for wear
E Bearings (connecting rod,
balance shaft, crankshaft
main)
90 -- 156 (600) Replace
Crankshaft run-out 90 -- 156 (600) Measure; adjust as needed