Engine Break-In Period - Polaris RANGER XP 900 2018-2019 Service Manual

ENGINE / COOLING / HVAC SYSTEM

ENGINE BREAK-IN PERIOD

The break-in period consists of the first 25 hours of
operation. Careful treatment of a new engine and drive
components will result in more efficient performance and
longer life for these components.
CAUTION
Use only Polaris PS-4 or PS-4 Extreme Duty Synthetic
4-Cycle Engine Oil.Never substitute or mix oil brands.
Serious engine damage and voiding of warranty can
result. Do not operate at full throttle or high speeds for
extended periods during the first three hours of use.
Excessive heat can build up and cause damage to
close fitted engine parts.
1. Fill fuel tank with unleaded fuel which has a minimum
pump octane number of 87 = (R+ M)/2.
2. Check oil level indicated on dipstick. Add oil if
necessary. Refer to Engine Oil Levelpage 2.15
procedure.
3. Drive slowly at first to gradually bring engine up to
operating temperature.
4. Vary throttle positions. Do not operate at sustained
idle or sustained high speed.
5. Perform regular checks on fluid levels, controls and
all important bolt torques.
6. Change oil and oil filter after 25 hour break-in period.
3.28
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.