deere la145 lawn mower with briggs 22 hp

jim_uny

Member
parked last winter, ran aok. removed tuff torq t46 hydro and rebuilt and installed. go to start & no run. has spark, good fuel pump, with carb cleaner runs ok. so i drained all fuel and replaced. took off carb and cleaned. checked float and needle. seemed ok. not sure what electric unit is on bottom of carb ? how to clean two fuel jets ? any other ideas ?
 
You have really opened a can of worms. Is this a Vtech twin cylinder Briggs? I would highly advise you to go on ebay and spend about $115.oo for a new carb. I put a new one on my 22hp unit and 5he new generation carbs work fantastic. The ethinol in gas hardens the tiny O rings and the jets leak. Also there is a gasket where the four tiny holes swell up and throw the carb out of ballance. By 5he time you go through a rebuild and 5he parts kit you will be more 5han 3/4 of the way to that new carb. Beleave me, it is worth it! PS. Go to the auto parts store and buy a bottle of Startron. Put a few cap fulls in every tank. Breaks the ethinol molecular structure. I also run Hi-test in all of my small engines. Let us know.
 
it is a nikki carb. good videos on youtube. is serviceable. ordered new solenoid cus mine did not click. will go from there.
 
Yup. Those niki carbs there is Nothing you can adjust. When they are right they work terrific but when they get out of balance they are a big pain. Many times 4he engine will only run on one cylinder. Those tiny O rings that go on the jets are a pain to get. Some guy on ebay sells a set for not that much money. Also that paper gasket with the four holes swells up. Also those jets are 117A and 117B. They are different. If they fall out as you are taking the carb apart you are SOL! I still would tell you to go with a new carb. The throttle response is instantly and a smooth idle too. I know people don't want to spend money but that is my opinion. The kit for that carb is in the Fifty buck range at it STILL does not have those two tiny o rings. Please consider a carb.
 

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