Skidoo Cheyenne 377 Carb HELP!!!

lundi 28 décembre 2015

I just buy a sled from my neighbor, It Is a Cheyenne 377 1990 one carb.

I don't know why I blown almost 10 spark plug in 2 days randomly. I change spark plug cap, put a new coil, clean the carb. recheck the carb. I try to understand the manual but I'm lost. Need a stupid proof procedure to adj my carb from the top to bottom, the idle the needle.

I understand I have to put 1 1/2 for the mixture screw it is not so hard. but I lost.

How to adj the oil pump.

I have 120 compression on bot cylinder.

I check for the crank seal with propan gaz and look good. no rising revolution.

When I lose a park plug I replace it I'm good for a bit.

The problem produce always when I star the motor cold or hot.

The foulling spark plug are black.

It is for wy wife and the kids I don't need to have troble with this sled.



THANKS for your help.

Verry apreciate.


Skidoo Cheyenne 377 Carb HELP!!!

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