BRP can-am OUTLANDER 2021 Series Operator's Manual page 144

MAINTENANCE SCHEDULE
EVERY 3 000 KM (2,000 MI) OR 100 HOURS (whichever comes first)
EVERY 1 500 KM (1,000 MI) OR 50 HOURS (whichever comes first)
The following must be performed at least once a year:
Change engine oil and filter
Lubricate throttle cable
Inspect and clean brake system
Inspect battery condition
Verify steering system for abnormal play
Verify front differential and rear final drive oil level and look for contamination
Verify gearbox oil level and look for contamination
PERFORM AT THE FIRST 3 000 KM (2,000 MI) AND AT 6 000 KM (4,000 MI)
PERFORM AT THE FIRST 1 500 KM (1,000 MI) AND AT 3 000 KM (2,000 MI)
Replace gearbox oil
Clean the vehicle speed sensor (VSS)
EVERY 6 000 KM (4,000 MI) OR 200 HOURS (whichever comes first)
EVERY 3 000 KM (2,000 MI) OR 100 HOURS (whichever comes first)
Verify the cooling system
Test engine coolant strength
Verify fuel system for leaks
Verify fuel pump pressure
Replace spark plugs
Replace front differential oil
Replace rear final drive oil
Replace gearbox oil
Inspect input and output shaft seals (gearbox, differential and final drive)
Clean vehicle speed sensor
Clean and lubricate lower and upper steering column half bushings
The following must be performed every 2 years:
Replace the brake fluid
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THEN FOLLOW THE REGULAR SCHEDULE
THEN FOLLOW THE REGULAR SCHEDULE