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Hello everyone,
I just picked up an old snowmobile thats been sitting in a shed for a few year. just wondering what I need to do to get it up and running again.

Thank you
 

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Chek for spark clean carb with brake cleaner change fuel filter make sure gas line are still good chek for crank pulse line and compression test
 

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1st thing is check compression, no point in doing a lot of work if you have to do a rebuild anyways as you will be tearing all that stuff off with a rebuild & cleaning them at least you should on a rebuild of any kind.

Tear apart carbs and clean every passage, most of use old piece of wire, clean every jet as well. Replace needle/seat, set float/s properly, replace fuel pump, replace fuel lines. Don't take a chance on fuel lines as cheap as they cost. Replace fuel line/intake line inside of gas tank as over time they fall apart. Make sure nothing is frozen in the front or rear suspension, make sure the shocks are ok, make sure the grease zerts still work properly and will accept grease, use synthetic if possible as it lasts and works better.

Also check all grounds and wires period if it has been sitting awhile. Basically go over it from top to bottom.
 

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And once you get the engine running, check out the suspension to make sure it operates as intended. If it has a chaincase, change the chaincase fluid. Check the ski wearbars to see if they are safe to use. Align the skis, they should have no more than 1/8" toe out and never have toe in. Make sure the track is ready to go. Clean the primary and secondary and check the belt. If the springs are really old, you may want to get new springs for the pulleys. Check jackshaft and driveshaft bearings for play. Check the brake pads for wear and replace if needed. If the sled has hydraulic brakes, it would be a good time to change the fluid.



Lots to do, have fun, and welcome to the forum!
 
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