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ac 250 problems...

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Old May 5, 2005 | 07:55 PM
  #91  
1st1at50's Avatar
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Default ac 250 problems...

Garret
I'm glad for you finally an answered question. It's a 2001 right? Wonder why the cam is wearing? It's overhead cam or does it have lifters and pushrod's? How many miles on the thing? Did all the valves needed to be adjusted or just intake or exhaust.? If just exhaust maybe they are burning. Have you modified your exhaust? Oh you did say it popped through the carb, meaning intake stayed open while combusting, wrong time, too long or advanced spark. You don't want to replace a cam if it's going to happen again. What could be the root cause?
 
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Old May 5, 2005 | 07:57 PM
  #92  
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Also the compression test would have shown a valve prob (losing gases through the valves showing a low compression) any way good luck!!!!
1st
 
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Old May 5, 2005 | 08:02 PM
  #93  
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Default ac 250 problems...

Originally posted by: 1st1at50
Garret
I'm glad for you finally an answered question. It's a 2001 right? Wonder why the cam is wearing? It's overhead cam or does it have lifters and pushrod's? How many miles on the thing? Did all the valves needed to be adjusted or just intake or exhaust.? If just exhaust maybe they are burning. Have you modified your exhaust? Oh you did say it popped through the carb, meaning intake stayed open while combusting, wrong time, too long or advanced spark. You don't want to replace a cam if it's going to happen again. What could be the root cause?
the first time he adjusted it, was in november 04, he adjusted the exhaust only and this time he ahd to do both. and for miles, i have no idea. i am the third owner, and i ride the thing about 5 hours every weekend and thats it. i only gon one ride a week. and yea, it has a single over head cam.
 
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