F-12 running rich

Posted by Mr. Jeffries on October 30, 2006 at 14:45:51 from (204.184.253.1):

Gentlemen,

Our FFA Chapter has recently inherited a decent running F-12 tractor. For some reason (and we haven't had the carburetor off yet) it keeps running rich at anything other than idle. It will idle perfectly all day, but as soon as you throttle the engine at all, it will start to load up. I have turned the main jet screw all the way in to lean the mixture and the tractor will die.

I'l just looking for suggestions before we tear into the carburetor next week. I'm thinking something related to the float or needle/seat, possibly fuel pump?

Thanks for helping a teacher out,
Jared Jeffries
Jasper, MO FFA

Replies:

• Re: F-12 running rich John M 03:18:28 10/31/06 (0)
• Re: F-12 running rich Fawteen 01:29:10 10/31/06 (0)
• Re: F-12 running rich KevinH 16:36:34 10/30/06 (0)
• Re: F-12 running rich NEsota 15:17:35 10/30/06 (0)

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