2002 Polaris Universal Snowmobile Owners Manual - Page 120
2002 Polaris Universal Snowmobile Manual
Page 120 highlights
MAINTENANCE General Maintenance General Carburetor Information The number stamped in the end of the main jet indicates the jet size. The jet installed at the time of manufacture is not necessarily correct for your elevation. It's your dealer's responsibility to make sure the correct main jet is installed. CAUTION Carburetor adjustments should be performed only by a knowledgeable service technician at an authorized Polaris dealer, using the proper tools, procedures and specifications. Carburetor Adjustments The frequency at which the carburetors are synchronized or balanced is important. Properly adjusted carburetors can greatly improve engine performance, fuel economy, engine life, and reliability. If you notice any of the following, the carburetor may need adjustment: DHard starting DPoor idle DOverheated pistons and cylinder walls DPlug fouling DPoor engine response to various throttle valve openings 118
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