Losing R.P.M

Country Boy · 10-17-2009, 12:47 PM

Alright I have changed oil, new air filter, new spark plug, and new fuel filter. The problem is still there. Do you think it could be a manifold problem? When I lift the seat it does sound loud. I am wondering if it were crack would losing back preassure cause it to do this.

Country Boy · 10-17-2009, 01:00 PM

Quote:

Originally Posted by smallblock450sl

You may think I'm crazy...Take the primary clutch cap off and check for a broken weight/link.

I have replace the clutch with a power clutch. I am not familar with what you are talking about. Could you explain a little more.

Thanks, Jay

yamaha2000 · 10-19-2009, 08:05 PM

i am having the same problem with my g2.

yamaha2000 · 10-20-2009, 08:34 PM

no i deal why the engine is blowing oil in the air filter?

Country Boy · 10-23-2009, 05:08 PM

The only thing I can think of is that these engine do not have a pvc value to release preasure on the value. The g2 has a hose running from the value back to the breather and this is where the oil is comming from.

Country Boy · 10-23-2009, 05:44 PM

Quote:

Originally Posted by smallblock450sl

You may think I'm crazy...Take the primary clutch cap off and check for a broken weight/link.

You were right the wieght is broken. I read on another post that you replied to that the stock yamaha primary clutch is better than the Comet 94c. I already have a Jakes power clutch on. The take off is night and day difference than the stock. I guess this is what put the strain on the primary.

Country Boy · 10-30-2009, 06:32 AM

I would like to thank you for posting your answer. It help me to determine and fix what was wrong with my cart. Now I can get on to fun projects!!

Country Boy · 11-07-2009, 04:29 PM

I have replace the clutch wieght and had no problem doing so. The cart has ran great until last night. My son thought it was out of gas so I put some in it. He got back on and it would not crank. So I took the plug out and it was soak in gas. I thought it had fowled out so I replaced it. It still will not crank. How would I know if I am not getting enough fire? When I take the plug out and put it on the engine it barely sparks. What do I need to do next?

Thanks, Jay

10-17-2009, 12:47 PM	#11
Country Boy Not Yet Wild Join Date: Oct 2009 Location: Kosciusko, Ms Posts: 13	Re: Losing R.P.M Alright I have changed oil, new air filter, new spark plug, and new fuel filter. The problem is still there. Do you think it could be a manifold problem? When I lift the seat it does sound loud. I am wondering if it were crack would losing back preassure cause it to do this.

10-19-2009, 08:05 PM	#13
yamaha2000 Not Yet Wild Join Date: Sep 2009 Location: huffman,tx Posts: 23	Re: Losing R.P.M i am having the same problem with my g2.

10-20-2009, 08:34 PM	#14
yamaha2000 Not Yet Wild Join Date: Sep 2009 Location: huffman,tx Posts: 23	Re: Losing R.P.M no i deal why the engine is blowing oil in the air filter?

10-23-2009, 05:08 PM	#15
Country Boy Not Yet Wild Join Date: Oct 2009 Location: Kosciusko, Ms Posts: 13	Re: Losing R.P.M The only thing I can think of is that these engine do not have a pvc value to release preasure on the value. The g2 has a hose running from the value back to the breather and this is where the oil is comming from.

10-30-2009, 06:32 AM	#17
Country Boy Not Yet Wild Join Date: Oct 2009 Location: Kosciusko, Ms Posts: 13	Re: Losing R.P.M I would like to thank you for posting your answer. It help me to determine and fix what was wrong with my cart. Now I can get on to fun projects!!

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11-07-2009, 04:29 PM	#18
Country Boy Not Yet Wild Join Date: Oct 2009 Location: Kosciusko, Ms Posts: 13	Re: Losing R.P.M I have replace the clutch wieght and had no problem doing so. The cart has ran great until last night. My son thought it was out of gas so I put some in it. He got back on and it would not crank. So I took the plug out and it was soak in gas. I thought it had fowled out so I replaced it. It still will not crank. How would I know if I am not getting enough fire? When I take the plug out and put it on the engine it barely sparks. What do I need to do next? Thanks, Jay

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