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Stationary Engines Discussion Forum

Cracked float on Briggs 18 HP

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Author  [Modern View]

05-25-2014 08:16:05

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After taking the carb apart on this twin Briggs and Stratton, I discovered the float was cracked. The replacement is plastic, so how do I adjust the float, as the tab just springs back. It runs so lean that the choke has to be half way out. Thankyou

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06-13-2014 19:18:40

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 Re: Cracked float on Briggs 18 HP in reply to Darald, 05-25-2014 08:16:05  
I recently had the same issue with an OMC engine. Took the copper float to NAPA, was told to try patching with JB weld, that it will not disolve in gasoline. Applied to the crack and let it cure for a day. So far so good.

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05-25-2014 21:54:12

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 Re: Cracked float on Briggs 18 HP in reply to Darald, 05-25-2014 08:16:05  
Yeah, as jimg indicated, try adjusting the air/fuel mix, if that doesn't help or cure the problem, then likely you will need to dismantle and clean the carb. I used to buy the carb. cleaner that came in a gallon can and you soaked the parts in it, but lately I have had good success with spray cans that I purchase at WallyWorld.

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05-25-2014 15:18:12

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 Re: Cracked float on Briggs 18 HP in reply to Darald, 05-25-2014 08:16:05  
As far as I know, the plastic floats are not adjustable. They _should_ be preset at the time of manufacture to put the float level at the correct position. Could also be that your main jet is partially plugged - or if adjustable, is set too lean.

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06-16-2014 17:53:19

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 Re: Cracked float on Briggs 18 HP in reply to jimg.allentown, 05-25-2014 15:18:12  
To raise the float level, you have to grind a little off the end of the needle.

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