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post #1 of 32 (permalink) Old 11-04-2009, 09:48 PM Thread Starter
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1971 Ski-Doo Olympic

Tomorrow I am going to look at, and most likely pick up a 1971 Ski-Doo Olympic, at least that's what I was told it is. I'm planning on completely restoring it. I'll get some pictures up tomorrow, but he said that the engine "feels alright." From the pictures it looks like it is in decent shape. The hood has a few cracks. Is that a fiberglass hood that I could easily repair? Also the clutch has some rust on it, will that be a big issue, or will I be able to take care of that somehow? Thanks for the help!

1986 Polaris Indy 400
1971 Ski-Doo Olympic - Project
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post #2 of 32 (permalink) Old 11-05-2009, 10:55 AM
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Yes, fiberglass hood and the rusty clutch is not a problem.
You can clean it up with 120 grit sandpaper.

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post #3 of 32 (permalink) Old 11-05-2009, 01:03 PM
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You can get some tiger hair fiberglass treatment and liquid hardener to seal the cracks on the cowl, worked great for mine. It was about $25 at autozone.

1996 Arctic cat ZR 580- 6 inch risers, C+A powder skis, 99 ZR's front suspension, freshly rebuilt engine

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post #4 of 32 (permalink) Old 11-05-2009, 01:07 PM
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Ok I keep trying to reply to different topics but I keep looking out the window and I completely forget what I'm doing.... it's snowing BIG TIME!!!! Praise the snow gods woop woop!

1996 Arctic cat ZR 580- 6 inch risers, C+A powder skis, 99 ZR's front suspension, freshly rebuilt engine

1992 Ski doo mach 1 617cc (the beast)

Die hard polaris anti-fanatic!

Do the snow dance with me!!! We don't get enough in Vermont!

And God said: "Let there be snow."

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post #5 of 32 (permalink) Old 11-05-2009, 04:40 PM
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Quote:
Originally Posted by zgierach View Post
Tomorrow I am going to look at, and most likely pick up a 1971 Ski-Doo Olympic, at least that's what I was told it is. I'm planning on completely restoring it. I'll get some pictures up tomorrow, but he said that the engine "feels alright." From the pictures it looks like it is in decent shape. The hood has a few cracks. Is that a fiberglass hood that I could easily repair? Also the clutch has some rust on it, will that be a big issue, or will I be able to take care of that somehow? Thanks for the help!
If it's a 1971, it's not a fiberglass hood. It's polycarbonate, a solid, color through plastic. It can be repaired, but it takes the correct glue. The cracks will also travel if you don't address them correctly.
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post #6 of 32 (permalink) Old 11-05-2009, 06:13 PM
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You drill a hole at the end of the crack to stop it from spreading first. And fiberglass will still work as an adhesive regardless of the material it's being applied to.

1996 Arctic cat ZR 580- 6 inch risers, C+A powder skis, 99 ZR's front suspension, freshly rebuilt engine

1992 Ski doo mach 1 617cc (the beast)

Die hard polaris anti-fanatic!

Do the snow dance with me!!! We don't get enough in Vermont!

And God said: "Let there be snow."

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post #7 of 32 (permalink) Old 11-05-2009, 07:49 PM Thread Starter
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Okay, thanks for the help, and it is a plastic hood. so i can still use fiberglass to fix it? and can i paint it then? or should I be looking for a new hood?

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post #8 of 32 (permalink) Old 11-06-2009, 06:33 AM
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Yes, it can be painted as long as you use the right paint formulation.
You need to be sure that the paint is flexible enough to not crack and peel right off.

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post #9 of 32 (permalink) Old 11-06-2009, 08:18 AM
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Yep. Make sure you do exactly what the directions say (i.e sand using 40-80 grit and remove wax, paint, etc. prior to application). It won't harden like it should in cold weather, it's suggested that you do it in a 75 degree environment, but if you can't then just let it set longer.

1996 Arctic cat ZR 580- 6 inch risers, C+A powder skis, 99 ZR's front suspension, freshly rebuilt engine

1992 Ski doo mach 1 617cc (the beast)

Die hard polaris anti-fanatic!

Do the snow dance with me!!! We don't get enough in Vermont!

And God said: "Let there be snow."

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post #10 of 32 (permalink) Old 11-06-2009, 11:14 PM Thread Starter
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Okay, thanks for the help. I'm going to get it running again before I do anything cosmetic. I was told the starter recoil is frozen, and it won't catch to start the engine, so that's the first thing to figure out I guess.

1986 Polaris Indy 400
1971 Ski-Doo Olympic - Project
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post #11 of 32 (permalink) Old 11-07-2009, 08:56 AM
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If the starter pawl is installed backwards it will do that.

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'93 Wildcat 700EFI
w/ Comet 108 Pro-4 clutch & 01 ZR skid

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post #12 of 32 (permalink) Old 11-11-2009, 11:04 PM Thread Starter
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I found a hood and wind shield for $20, so i'm just going to buy that most likely. That will be cheaper in the long run anyways. Now i just have to fix the starter. There are a few holes in the can, but that's getting welded.

1986 Polaris Indy 400
1971 Ski-Doo Olympic - Project
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post #13 of 32 (permalink) Old 11-12-2009, 11:16 AM
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Good luck!

1996 Arctic cat ZR 580- 6 inch risers, C+A powder skis, 99 ZR's front suspension, freshly rebuilt engine

1992 Ski doo mach 1 617cc (the beast)

Die hard polaris anti-fanatic!

Do the snow dance with me!!! We don't get enough in Vermont!

And God said: "Let there be snow."

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post #14 of 32 (permalink) Old 11-15-2009, 08:09 PM Thread Starter
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Does anyone know whether or not the exhaust/muffler off of a 335 will work on this, even though it's 399? Thanks

1986 Polaris Indy 400
1971 Ski-Doo Olympic - Project
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post #15 of 32 (permalink) Old 11-16-2009, 07:28 AM
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Should.

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'93 Wildcat 700EFI
w/ Comet 108 Pro-4 clutch & 01 ZR skid

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post #16 of 32 (permalink) Old 11-29-2009, 05:03 PM
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335 is a single 399 is a twin muffler WON'T fit.

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'72 TnT 340
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post #17 of 32 (permalink) Old 11-29-2009, 06:14 PM
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A 335 is a single? O.o

1996 Arctic cat ZR 580- 6 inch risers, C+A powder skis, 99 ZR's front suspension, freshly rebuilt engine

1992 Ski doo mach 1 617cc (the beast)

Die hard polaris anti-fanatic!

Do the snow dance with me!!! We don't get enough in Vermont!

And God said: "Let there be snow."

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post #18 of 32 (permalink) Old 12-01-2009, 04:28 PM
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thats correct the 335 is a single
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post #19 of 32 (permalink) Old 12-02-2009, 01:27 PM
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the 340 is a twin!! got two!
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post #20 of 32 (permalink) Old 12-02-2009, 01:28 PM
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find out what year it is? i need a starter cup for my new one how can you tell what year they are?

Last edited by 1raddude; 12-02-2009 at 01:30 PM. Reason: pressed go to quick!
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