89 340 sport bogging - Snowmobile Forum: Your #1 Snowmobile Forum
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post #1 of 3 (permalink) Old 01-15-2013, 10:50 AM Thread Starter
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89 340 sport bogging

Hi Guys,
I'm new to the forum. I'm looking for some help diagnosing an issue with my 340 sport.
I mainly use this sled for ice fishing and have had no problems on the lakes with the throttle opened up. however, when I get back to the trail and need to slow down to navigate a turn my machine will not make enough power to get back up to speed, or even move the track. This doesn't happen very often. If i wait 5-10 minutes for it to cool, or pick up the back end, I'll have enough power to get going again.
Any advice would be greatly appreciated.
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post #2 of 3 (permalink) Old 01-15-2013, 04:42 PM
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Service the clutches.
They need cleaning internally.

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post #3 of 3 (permalink) Old 01-16-2013, 08:06 AM
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The belt isn't back shifting. There is likely ruber build up. Use a scotch bright and scrub them down, then blow them out real good. Then put a new belt on! I would also check out the springs.
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