87 cougar crank problem

1452 Views 4 Replies 4 Participants Last post by Thanx15, Feb 7, 2002

benanthony

Discussion Starter · Jan 6, 2002

wondering if anyone has heard of problems with the crank in the 87 cougar, The crank pin on the left side has broke twice now. Thanks in advance.

Ben

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Ahhh, yes brings back memories ---- bad ones LOL. I had an 87 and my brother had an 86. Both of them snapped the cranks at about 5,000 miles. It starts out with a rattle sounds like the clutch is coming apart and a liitle while later the whole engine is junk. I know it happened to us twice. I think it is an oiling problem, the crank pins on both of our sleds was blue. I got cat to pay for half of the parts which was around $500.00. I needed a cylinder and a head and a piston along with th crank and other things. This was around 1993 I think, but am not positive. I was surprised cat even helped. Kevin

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99MXZ600

· #3 · Jan 7, 2002

I HAVE AN 86 COUGAR 500 F/C AND I HAVE NOTICED A RATTLE NOISE LATLEY IN IT ALSO. I THOUGHT IT WAS THE CLUTCH MAYBE. SO CAN I COUNT ON THE CRANK FAILURE ALSO? IS THERE ANYTHING I CAN DO NOW BEFORE IT WRECKS EVERYTHING?

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sleddinfool

· #4 · Jan 8, 2002

I think about the only thing you can do is rule things out. If you have another cluch laying arouns anything just one to put on the sled put it on and try it. I was 100 miles from my cabin and my wife said "this thing is noisy all of a sudden" I told her to ride it as far as she could. She made it halfway and we stopped for lunch (we were with our club on an overnight trip) we walked in and she said it had been running badly for the last mile and quit when we pulled up to the restraunt(sp?). That is all she wrote, luckliy we had a chase truck (who wouldn't with 50 sleds) and we just loaded it up and doubled up, that was a pain. Ohh anyways back to the answer, if you don't have a spare, I may take it apart and have a little look make sure the pto bearingon the cranks is not blue, I believe it was the bearing at the base of the rod. Kevin

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Thanx15

· #5 · Feb 7, 2002

I sold my 1987 Cougar to a friend and now the sled is rattling real load. Sounds like the Primary clutch is going to explode. Has anyone repaired this problem, and if so, what needed to be replaced?

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