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honda 30 hp 2008 skipping at half throttle

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kgray85

New member
i have a 08 honda 30 seems to run very rough at half throttle also does not seem to run at high enough idle when at full throttle. i bought it used had a new tiller handle put on by a dealer. it seems to run fine with ear muffs and garden hose in the driveway but when its in the water with a load its rough at half throttle. any ideas would help thanks
 
Most likely one or more of the high speed jets are clogged or partially clogged...but....

Drain one of your carburators into a glass jar and check for water in the fuel. If there is water, then it is not going to run right until you clean out your fuel system.

Should check compression next.

If ok, then check your spark plugs. May be a bad plug.

If no change, then the carbs most likely need to be cleaned.

If you are going to try yourself, be sure to purchase a Helm shop manual. There are a lot of fuel and vacuum tubes on this model and if you do not have a good manual, it will not go back together correctly.

If you can not do yourself...time to go to the dealer. Besides cleaning them, they will also vacuum balance them for smooth idle and acceleration.

Mike
 
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