My bike is running super rich. Can anyone help me please?

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My bike is running super rich. Can anyone help me please?

Post  Drewb85 on Sat Dec 10, 2016 10:24 pm

My bike is running super rich. It starts right up with no choke and puffs black smoke from the exhaust. I have a 68 pilot(NOT 68s I will be putting that in when I get it) and 165 main in right now. It had a 72 pilot and 180 main in it when I took carb apart the first time. It runs exactly the same with each setup and I cant adjust with the air fuel mixture. Anyone have this issue happen or can send me in the right direction?
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Drewb85
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Re: My bike is running super rich. Can anyone help me please?

Post  JRZ7285 on Sun Dec 11, 2016 12:54 am

Drewb85 wrote:My bike is running super rich. It starts right up with no choke and puffs black smoke from the exhaust. I have a 68 pilot(NOT 68s I will be putting that in when I get it) and 165 main in right now. It had a 72 pilot and 180 main in it when I took carb apart the first time. It runs exactly the same with each setup and I cant adjust with the air fuel mixture. Anyone have this issue happen or can send me in the right direction?

post a pic of your plug after a proper run and have you checked your valves? check float level and how many hours that you know on bike?
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Re: My bike is running super rich. Can anyone help me please?

Post  Drewb85 on Sun Dec 11, 2016 1:02 am

I can post a picture of the plug tomorrow but I can tell you it is very black, but not wet. I have not checked the valves but the float is in spec. As far as hours I am not sure but it is in great shape with little wear on the cases. I have not checked compression but at 220 pounds I can nearly stand on the kick start and it wont go down. I guess valves are next.
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Re: My bike is running super rich. Can anyone help me please?

Post  JRZ7285 on Sun Dec 11, 2016 1:10 am

whats your elevation, is air filter over oiled,  is your bike fully uncorked?

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Re: My bike is running super rich. Can anyone help me please?

Post  Drewb85 on Sun Dec 11, 2016 1:17 am

No need to be sorry. I appreciate the help. Im at about 400' elevation in eastern PA. It is uncooked with an Akrapovic exhaust. as far as the air filter I took it off (twin air) and ran exactly the same. My thing is no matter what I do I can't adjust anything. I guess its internal but i want to be sure before i tear it apart.
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Re: My bike is running super rich. Can anyone help me please?

Post  Drewb85 on Sun Dec 11, 2016 1:22 am

I can tell you i got the bike non running with no spark. It ended up being the pick up coil so i got a Ricks high output stator.
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Re: My bike is running super rich. Can anyone help me please?

Post  JRZ7285 on Sun Dec 11, 2016 2:12 am

Drewb85 wrote:I can tell you i got the bike non running with no spark. It ended up being the pick up coil so i got a Ricks high output stator.

yeah your pretty close to my elevation my bike is fully uncorked 68s pilot main is 172 airbox 2 restrictors taken out carb intake boot and HRC exhaust tip, and pilot screw 2 turns out from lightly seated! post a pic of your plug i am sure others on here will help pinpoint your problem as well!
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