Polaris 550 IQ Shift, 550 IQ 136 Owner's Manual

The recommended maintenance schedule for the Polaris 550 IQ Shift includes checking the engine oil and coolant levels before each ride, inspecting the drive belt every 500 miles, and performing a full service every 1,000 miles or annually.
If your Polaris 550 IQ 136 has starting issues, check the battery connections for corrosion, ensure the fuel is fresh, inspect the spark plugs for wear, and verify that the kill switch is in the 'run' position.
Polaris recommends using Polaris VES Full Synthetic 2-Cycle Engine Oil for optimal performance and protection of the engine in the 550 IQ Shift.
To replace the drive belt, first remove the clutch guard, then open the driven clutch by pushing on the sheaves to loosen the belt. Slide the old belt off and install the new one by reversing the process. Ensure the belt is oriented correctly before reassembling.
If your Polaris 550 IQ Shift overheats, stop the engine immediately to prevent damage. Check the coolant level, inspect for coolant leaks, ensure the radiator is not obstructed, and verify that the coolant pump is functioning properly.
To improve fuel efficiency, ensure the track is properly tensioned, maintain correct tire pressure, keep the engine well-tuned, and use high-quality fuel. Also, avoid excessive idling and aggressive acceleration.
To adjust the suspension, refer to the owner's manual for the specific settings based on rider weight and terrain. Typically, adjustments can be made using the spring preload adjusters and shock absorbers to achieve the desired ride comfort and handling.
To check and clean the carburetor, first remove it from the engine. Disassemble the carburetor, clean all jets and passages with carburetor cleaner, and reassemble. Ensure all components are free of debris before reinstalling.
Before storing, clean the snowmobile thoroughly, stabilize the fuel, change the oil, lubricate all moving parts, remove the battery and store it separately, and cover the machine to protect it from dust and moisture.
The correct spark plug gap for the Polaris 550 IQ 136 is typically 0.028 inches (0.7 mm). Always refer to the owner's manual for specific model recommendations.