Polaris 2003 Frontier - Manual (Page 69)

67
OPERATION
Oil
Oil Level
Always check the oil level on the dipstick before each ride and when
refueling. The dipstick is located on the lower left side of the engine.
When the oil reaches the ADD mark, add 8 fl. oz. of recommended oil
to the engine. Maintain the oil level between the SAFE (A) and ADD
(B) marks on the dipstick.
Throttle Position Sensor (TPS)
All throttle bodies have been preset at the factory for adequate fuel
supply at all altitudes. No adjustment is required. Any service must be
performed by a Polaris dealer trained to service EFI systems.
A
B
Any attempt to adjust the TPS without proper tools and training
WILL result in deteriorated engine performance and could result
in SEVERE engine damage. NEVER attempt to adjust the TPS.
Always have your Polaris dealer perform any service on the TPS.
CAUTION