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  1. Vintage Ski Doo's
    Hello to everyone, first time posting for me and just made an account to post. I just bought a 292 or 340 motor to hopefully build a little bush whacking elan or to make my 66 a bit more fun on the trails. I was told it was a 340 from a 1969 320ss but once getting it home and looking it...
  2. Vintage Ski Doo's
    I picked up a 340 Silver Bullet that has not run for years, here's is where I'm at: Had no spark, replaced points, very good spark now Don't have a compression tester, but it feels very good, realize this is not a good test, but I pulled each plug independently and pulled it over, both sides...
  3. Vintage Ski Doo's
    Picked up a 79 Blizzard 7500+ last week. Hadn't run in years so I pulled it in the shop and flushed the fuel tank, new lines and filter, cleaned the carbs and put new plugs in. It run excellent but after my first rip around the farm it got tight on me. Got it back to the shop; when I jack up the...
  4. Vintage Classifieds
    Looking for the Free Air Housing/Rope Pull Parts for the Skidoo Singles. I have a 1972 335 from an Olympique. Rich
  5. 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...
  6. 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
  7. 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...
  8. 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...
  9. 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...
  10. Vintage Classifieds
    Wanted complete Skidoo 335/340 Single to rebuild. Would prefer a CDI version. Thanks Rich
  11. Vintage Classifieds
    So i have a 1960s snojet 300cc single hirth engine its a great little sled but the hood had some damage on the right side and i decided to make some adgustments. This is just a topic where id like to ask some questions and post pictures of the build.
  12. 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?
  13. Vintage Ski Doo's
    Does anyone know, who sells New, Kawasaki 340/440s today? I found this guy. http://www.vortechonline.com/engines/ Rich
  14. Vintage Ski Doo's
    I am getting a 1985 Yamaha Enticer 340, and as far as I know, it runs perfects. I was just wondering how to soup it up. What are the best ways to increase hp and speed? Or is there something I should be aiming for instead?
  15. Vintage Ski Doo's
    In need of anyone who would know how to get drive wheels for 1979 Blizzard 7500 plus. Its a round shaft with 11 teeth. Can't seem to find anywhere online that has that size cog. Let me know ASAP! thank you
  16. Vintage Ski Doo's
    Hi I have an old 1978 Ski Doo Olympique 340. Not 340E. Anyway, there was good spark in it, until a week ago. Coil was done, replaced it and now points are defective, so I'm gonna take the flywheel off and clean the points (and replace if necessary) within the next two days. Now, the headlight...
  17. Vintage Ski Doo's
    I recently bought a 1977 ski doo Olympique in very good condition. The snowmobile has recently been giving me an issue and seems to be only running on one cylinder. I thought it might have been the coil so i switched the 2 coils and the cylinder still runs the same. both sides have spark when...
  18. Vintage Ski Doo's
    I recently bought a 1977 ski doo Olympique in very good condition. The snowmobile has recently been giving me an issue and seems to be only running on one cylinder. I thought it might have been the coil so i switched the 2 coils and the cylinder still runs the same. both sides have spark when...
  19. Vintage Ski Doo's
    If a connecting rod is bad on a type 340 blizzard motor, must the whole crank be replaced? Does anyone have a good crank? There is a nut attached to the crank that secures what I think is a magneto, what spins around the stator. I need to remove that nut. Common sense and logic tells me it...
  20. Racing Talk
    Does anyone know where I can get a 1974 tnt free air 340 blizzard hood? Any web sights? I'm not in a rush. I would need one like this. Thanks
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