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1-14 of 14 Results
  1. Vintage Ski Doo's
    So, my '70 Olympique 299 single is giving me more grief than normal. Here's the problem; from idle the engine backfires just before the clutch engages and won't rev up. Now here is the background; typically this machine runs well but will occasionally foul a plug, put a new one in and it would...
  2. Vintage Classifieds
    Looking for the Free Air Housing/Rope Pull Parts for the Skidoo Singles. I have a 1972 335 from an Olympique. Rich
  3. Vintage Ski Doo's
    Here is all the info you need to make a Tuned Pipe. Please Post your Vintage Engine Spec's. Some better Tuned Pipe programs ask for the Exhaust Port Angle. Please use this Format for Example. Year: 1983 Model: 277UL Bore & Stroke: (72mm x 66mm) 268.7cc CR: Theoretical 11.8, effective 6.7...
  4. Vintage Ski Doo's
    Can someone confirm for me, does all Skidoo from 70s, 80s, Singles, with Bosch Points Ignitions, 247/250, 277, 292, 299/300, 318/320, 335/340, use the same Flywheel? I have a 1981 277 Crank that originally had a Bosch Ignition, and need the flywheel. Does anyone have the Part Number? Thanks Rich
  5. Sledding - General Discussion
    What is the proper way to Balance a Single/Twin Crank? Older 80s/90s Skidoo/Rotax's viberate a lot! Who can do this? Rich
  6. Vintage Ski Doo's
    Has anyone use a 670 PTO and MAG ends of the Crank to make a Custom 70mm Stroke Crank for a Single? If so, which Single Case did you use? Has anyone used either a 583(64mm), 617(68mm) PTO and MAG ends of the Cranks to make a Custom 64mm or 68mm Stroke Crank for a Single? Which Case did you...
  7. Vintage Ski Doo's
    Which Stock Skidoo Single made the most HP, and at what Rpms? 277 makes 25.4hp at 6000rpms with a 11.8cr -------------------------------------------------------------------------------------------------------- I have heard of a (84mm x 66mm) 365.9cc Single made for Racing by Skidoo. Does...
  8. Vintage Ski Doo's
    Did any year, 292, 299/300, 318/320, 335/340s Singles come with CDI? I also have a 1980/81 277 that originally came with a Bosch Points Setup(Flywheel, Stator, Points) that I didn't get with it. Does the Bosch Points setup(Flywheel, Stator, Points) off other 292, 299, 320, 335, 340, Singles...
  9. Vintage Ski Doo's
    Are any of the Singles Case halfs inter changeable with a 277? Can you put 292(75mm), 299(76mm), 340(78mm), Cylinders on a 277 Case? Can a 277 Crank be put into a 292, 299, 320, 340, Case?
  10. Vintage Ski Doo's
    Hey guys im trying to take off the primary clutch on my ski doo 299 single. i cant get the clutch to break free and i was wondering if anyone had any tricks that worked to get it off. thanks a lot
  11. Sledding - General Discussion
    Who makes aftermarket flywheels? Jetnetics, used to make Seadoo flywheels, but I think there out of business. Anybody, make any flywheel adapters? Rich
  12. Sledding - General Discussion
    If you have an Old School Engine Build, or Big Bore, please post it. The more radical the better. If you have part numbers, and photo's, dyno sheets, that would be great. Pre 2000 motors only. Thanks Rich
  13. Vintage Ski Doo's
    Does anyone still make a Stock, or a Billet Crank still, for the Skidoo 277(72mm x 66mm) single cylinder engine? Has anyone ever Adapted a Skidoo 335/340 70mm Stroke Crank for a 277 Case? Does anyone have a CAD/PDF/Paper drawing of the Skidoo 277 Crank, Engine Case, etc? My 277 seems to be a...
  14. Sledding - General Discussion
    Does anyone still make a Stock, or a Billet Crank still, for the Skidoo 277(72mm x 66mm) single cylinder engine? Has anyone ever Adapted a Skidoo 335/340 70mm Stroke Crank for a 277 Case? Does anyone have a CAD/PDF/Paper drawing of the Skidoo 277 Crank, Engine Case, etc? My 277 seems to be a...
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