Polaris Sportsman 400 H.O. Owner's Manual page 71

Periodic Maintenance Chart
Item
General
lubrication
Carburetor float
bowl
Throttle Cable/
E
ETC Switch
Choke cable
E
E Carburetor air
intake ducts/flange
Drive belt
Cooling system
(if applicable)
Engine oil change
Oil filter change
Oil tank vent hose
(if equipped)
Valve clearance
E
Fuel system/filter
E
Radiator
(if applicable)
Cooling hoses
(if applicable)
Engine mounts
Exhaust muffler/
pipe
Spark plug
E
Ignition Timing
E
Wiring
Maintenance Interval
(whichever comes first)
Hours Calendar
50 H 3 M
50 H 6 M
50 H 6 M
50 H 6 M
50 H 6 M
50 H 6 M
50 H 6 M
100 H 6 M
100 H 6 M
100 H 6 M
100 H 12 M
100 H 12 M
100 H 12 M
100 H 12 M
100 H 12 M
100 H 12 M
100 H 12 M
100 H 12 M
100 H 12 M
MAINTENANCE
Miles
(Km)
500 (800) Lubricate all fittings, pivots,
cables, etc.
500 (800) Drain bowl periodically and
prior to storage
500 (800) Inspect; adjust; lubricate;
replace if necessary
500 (800) Inspect; adjust; lubricate;
replace if necessary
500 (800 Inspect duct for proper seal-
ing/air leaks
500 (800) Inspect; adjust; replace as
needed
1000 (1600) Inspect coolant strength
seasonally; pressure test
system yearly
1000 (1600) Perform a break-in oil change
at 20 hours
1000 (1600) Replace with oil change
1000 (1600) Inspect routing, condition
1000 (1600) Inspect; adjust
1000 (1600) Check for leaks at tank cap,
lines, fuel valve, filter, pump,
carburetor; replace lines
every two years
1000 (1600) Inspect; clean external
surfaces
1000 (1600) Inspect for leaks
1000 (1600) Inspect
1000 (1600) Inspect
1000 (1600) Inspect; replace as needed
1000 (1600) Inspect
1000 (1600) Inspect for wear, routing,
security; apply dielectric
grease to connectors
subjected to water, mud, etc.
Remarks
71