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post #1 of (permalink) Old 02-02-2004, 06:40 AM
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i have a Kawasaki 440 intruder 1980 for some reason i keep
plowing the mag side pistion can aney one tell me y this is
i have gone throw 3 this year the motor was rebilt in the summer any help would be grate thankes
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post #2 of (permalink) Old 02-03-2004, 09:08 AM
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Re: help

To me it sounds like a lean condition, does it have dual carbs on it? If so it may have a plugged jet in that carb causing it to be way too lean. If it has a single carb, it might have a torn manifold boot between that cylinder and the carb sucking air leaning it out. Are you using the stock oil injection, and if so does it have seperate lines going to each cylinder? If the line going to that cylinder is plugged it would eat things up in a hurry. I don't know much specifically about the Kawasaki snowmobiles, but these are the first things I would check on my Arctic Cat if I was having the same problem. If you check all this out and can't find anything wrong, I would check the crank seal on that side of the engine, if it was put in wrong when it was rebuilt, or torn that may be the problem. Hope this helps.
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post #3 of (permalink) Old 02-14-2004, 08:29 AM
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Re: help

I had an '80 several years back. I sprayed ether around the motor while it was running and discovered my air leak.(motor revs quickly if ether enters) Also, I read the plugs often and went to a larger main in the mag side.
Rode it for two more years with no further problems.

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