300 Carb help

Posted by ed in cny on March 30, 2009 at 09:20:03 from (24.213.197.242):

I rebuilt the carb on the 300 I have this weekend. It seamed to be in real clean shape. I think I was the first person since the factory. Anyway I have a couple questions. First is what would make the tractor burn fuel quickly? I mean it seams that I use much more fuel that I should for the work I do. I thought it was the carb but it seamed to be in great shape. I didn't have any passages pluged. Jet was almost new looking. Just am stumped.
Second question is what would make it carbon up from between the air cleaner and upthrough the venture. I am not talking about alot of carbon but just a fine dusting. Is this normal? didn't think that there would be exaust comming back through but maybe. If so would you think it wasa bad valve. Tractor seams to run good.
Third and last question is after rebuild I'm not sure what to set the adjustment too. I also see that I have three places to adjust. One being the bottom needle. The second is the governer adjustment. The third is another needle at the flange by the manifold. Have never seen on there but it's there. What's it for? What do I set them to and get it back to factory?

Thanks guy for your help.

Replies:

• Re: 300 Carb help ed in cny 13:56:21 03/30/09 (0)
• Re: 300 Carb help Bob M 10:16:28 03/30/09 (0)

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