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riddon(at)sent.com
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 Posted: Fri Apr 26, 2013 10:01 am Post subject: rough running 912S |
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I have just fired up my 912S after new sprag clutch, fitting soft start, new plugs and 6 month lay up. It has always been quite smooth before but now it feels very rough. I pulled the plugs and the two from no. 1 cylinder are black and sooty whereas all the others are clean / whitish. Carb balance is not perfect but not at all bad.
Any idea's why this should be and where to start would be appreciated.
Richard Iddon.
G-RIXS
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Rocketman
Joined: 07 Sep 2010
Posts: 87
Location: USA, Earth
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| Posted: Fri Apr 26, 2013 10:47 am Post subject: rough running 912S |
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Richard,
Black soot is usually a carb problem, though it would also probably show
up in the #3 also. There is also the possibility of ignition problems
on that cyl. A place to start, anyway...
Jeff - Baby Blue
On 4/26/2013 1:00 PM, Richard Iddon wrote:
| Quote: |
I have just fired up my 912S after new sprag clutch, fitting soft start, new plugs and 6 month lay up. It has always been quite smooth before but now it feels very rough. I pulled the plugs and the two from no. 1 cylinder are black and sooty whereas all the others are clean / whitish. Carb balance is not perfect but not at all bad.
Any idea's why this should be and where to start would be appreciated.
Richard Iddon.
G-RIXS
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