Honda Spree and Elite 50 Forums

need help with plug fouling runs great all day rev it up down hill let off throttle and engine dies have played with the needle on the throottel slide but still fouls plugs ?

what plug are you running? is it on a stock or modified engine? are you running the injector or premixin?

stock plug from Honda and bone stock engine and oil injected.

weird! is it extremely cold where youre at? whats the color of the plug? oil fouled (black and dry-ish) or fuel fouled (soaking wet)?

75 degrees yesterday in california and yes it was soaked with fuel

i hate to say it, but it sounds like a carb cleaning is in order. does it leak fuel from any of the overflow hoses? it kinda sounds like either the float is sticking or the needle and seat are not sealing. if your so inclined, pull the carb off, and with the bowl full of fuel, and try to blow into the fuel inlet. if you can, it means that either of those 2 things is happening. if you cant, then its working properly. if you take it apart, when the float is up, the valve should be closed, and nothing should flow through it. when the float is down, it lets fuel in until it reaches a preordained level, when the float floats to that level it closes the valve and no more fuel is allowed in. if too much fuel is getting in, it either goes out the overflow, unless its plugged, or if its plugged, straight up the main jet circuit into your motor.

thanks that's what i thought too so i cleaned the carb and checked the float and everything checked out perfect and by the way cleaning the carb on these things is like second nature to me be cause i own 11 of them and have kept them running for all these years need them tip top for the annual chatsworth to solvang runs on mem weekend.

Greetings:

Mine ran as you describe when a reed valve failed. I'd check there if the carb's good. As you probably know, the carb can look fine and seem fine on the bench but still run afoul if the needle's starting to stick intermittently in the float needle bore. I'd go for a new needle and polish up the float needle bore & seat if the reeds check out OK. My money's on a worn reed block, depending on mileage. I can make you 0.5mm carbon reeds.

thanks will check the reads and the float needle and seat ? how much for the reeds.

Greetings:

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