older 89 cougar 440 - Snowmobile World : Your #1 Snowmobile Forum

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post #1 of 3 (permalink) Old 03-08-2012, 09:06 PM Thread Starter
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older 89 cougar 440

my old artic cat will not stay running unless i keep priming it,,,i can run it around the yard if a keep priming it while i drive...not sure but is this sled suppose to have double carb, cause mine only has 1,,
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post #2 of 3 (permalink) Old 03-19-2012, 09:41 PM
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Location: Alaska - 63North, 162West
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Your seals may be dry and cracked which might make the intake charging of the case difficult. It could also be a compression problem related to worn rings or cylinder walls. This, assumes that the carb - a single one is fine on the motor as long as it is correctly set up- is all clean and working properly. The fuel pump is another part to consider since an old pump may not be pumping as well as it should.

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post #3 of 3 (permalink) Old 03-21-2012, 05:34 PM
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On my '87 El Tigre the fuel lines got hard and shrunk from age. They no longer formed a good seal with anything and sucked in so much air it was almost impossible to start. I could watch the air bubbles moving through the lines as I was trying to start the engine. I have new fuel line but haven't put it on yet (got a new sled instead so the old one just sits).

Good Luck!

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