Why do I need to rebuild my snowmobile top end?
Factors such as water in the gas or an improper fuel/air ratio can cause damage that causes low compression. Snowmobiles with high miles might also benefit from a top-end rebuild to keep them reliable and fun to drive. Here are tips for the teardown and assembly procedures of a two-stroke engine’s top end.
How do you rebuild a liquid cooled snowmobile?
An important step of rebuilding a liquid-cooled engine is to bleed the coolant system. The system for the sled you’re servicing might call for a specific method, so consult a dealer to make sure you do it correctly. In many cases, the front end of a snowmobile needs to be elevated with the cooling system ventilated while the engine idles.
How does the front end of a snowmobile work?
The system for the sled you’re servicing might call for a specific method, so consult a dealer to make sure you do it correctly. In many cases, the front end of a snowmobile needs to be elevated with the cooling system ventilated while the engine idles. This flows coolant to the rear of the machine to purge air out of the heat exchangers.
How to repair a 1982 Yamaha snowmobile?
Air bleed the cooling system if necessary and check the throttle lever operation. Carburetor – Adjust the jets whenever operating condition (elevation/temperature) is changed. Slide runners – Check for wear and damage and replace if necessary. Repair brake fluid. See note.
Factors such as water in the gas or an improper fuel/air ratio can cause damage that causes low compression. Snowmobiles with high miles might also benefit from a top-end rebuild to keep them reliable and fun to drive. Here are tips for the teardown and assembly procedures of a two-stroke engine’s top end.
How to check the condition of a Yamaha snowmobile?
Check condition of spark plugs and adjust gap and clean if necessary. Valves Check valve clearance and adjust clearance when engine is cold. Air bleed the cooling system if necessary and check the throttle lever operation. Carburetor – Adjust the jets whenever operating condition (elevation/temperature) is changed.
What is the service manual for a Yamaha snowmobile?
The service manual downloads for the above listed Yamaha models describes the service procedures for the complete snowmobile vehicle. Follow the Maintenance Schedule recommendations to ensure that the snowmobile is in peak operating condition. Performing the scheduled maintenance is very important.