Hesitation on 2 stroke

hondarider203 · 03-25-2016, 07:32 PM

Well I'm glad you got it bud as it seems now I may be looking for a new motor. Might as well go big or go home... thanks for the update gives me more to look for next time...

ukpaul · 03-29-2016, 05:24 PM

Well, after running perfect Saturday lunchtime (my son rode it around sub division 4 times), we parked it up. That evening I went to take it for a run and it was running like crap. Heavy smell of gas ! To cut a long story short, crankcase and muffler full of gas but nothing coming out of vent tube on carb. Took spark plug out and cranked it, quite a bit of gas came out of cylinder. Just took carb off and check float yet again. I have lost count how many times I have checked this float over past week. It all seems good
Any ideas how this fuel is entering the crankcase ?
Thanks

cart around · 03-29-2016, 05:47 PM

Through a ripped diaphragm in the fuel pump.

ukpaul · 03-29-2016, 06:06 PM

I put a rebuild kit in fuel pump last week. Maybe I'll just order a new pump then and see

cart around · 03-29-2016, 07:33 PM

I would open it up to be sure, before ordering a new pump.

These pictures might help you. http://www.buggiesgonewild.com/gas-e...fuel-pump.html

ukpaul · 03-29-2016, 07:50 PM

Thanks for getting back. Great help.
I have already ordered one along with the gasket. I spent enough on this thing in the last few weeks trying to pinpoint the problems, I guess another $75 ain't gonna hurt ! Lol
You got me thinking after reading that link. The guy mentions 2 one way valves in the pump. I wonder if I put one of them around the wrong way. It just looked like a piece of round fabric type stuff and a gasket. Ummmm, I wonder !
Thanks for the thought

ukpaul · 04-01-2016, 06:50 PM

Update !!
New fuel pump arrived today from vintage golf carts. Put it on, runs not bad, got some decent speed but under load especially, starts to hesitate again. its not like regular with the revolutions of motor but like ranging from every couple of seconds to maybe 5-10 seconds going up same incline.
I'm at my wits end with this. Sick of throwing good money after bad !
Any ideas ?

03-25-2016, 07:32 PM	#31
hondarider203 Gone Wild Join Date: Dec 2015 Location: Farmdale ohio Posts: 285	Re: Hesitation on 2 stroke Well I'm glad you got it bud as it seems now I may be looking for a new motor. Might as well go big or go home... thanks for the update gives me more to look for next time...

03-29-2016, 05:24 PM	#32
ukpaul Not Yet Wild Join Date: Jan 2016 Location: TN Posts: 30	Re: Hesitation on 2 stroke Well, after running perfect Saturday lunchtime (my son rode it around sub division 4 times), we parked it up. That evening I went to take it for a run and it was running like crap. Heavy smell of gas ! To cut a long story short, crankcase and muffler full of gas but nothing coming out of vent tube on carb. Took spark plug out and cranked it, quite a bit of gas came out of cylinder. Just took carb off and check float yet again. I have lost count how many times I have checked this float over past week. It all seems good Any ideas how this fuel is entering the crankcase ? Thanks

03-29-2016, 05:47 PM	#33
cart around Test before replacing Join Date: Aug 2013 Location: Ohio side of the Pennsylvania border. Posts: 3,496	Re: Hesitation on 2 stroke Through a ripped diaphragm in the fuel pump.

03-29-2016, 06:06 PM	#34
ukpaul Not Yet Wild Join Date: Jan 2016 Location: TN Posts: 30	Re: Hesitation on 2 stroke I put a rebuild kit in fuel pump last week. Maybe I'll just order a new pump then and see

03-29-2016, 07:33 PM	#35
cart around Test before replacing Join Date: Aug 2013 Location: Ohio side of the Pennsylvania border. Posts: 3,496	Re: Hesitation on 2 stroke I would open it up to be sure, before ordering a new pump. These pictures might help you. http://www.buggiesgonewild.com/gas-e...fuel-pump.html

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03-29-2016, 07:50 PM	#36
ukpaul Not Yet Wild Join Date: Jan 2016 Location: TN Posts: 30	Re: Hesitation on 2 stroke Thanks for getting back. Great help. I have already ordered one along with the gasket. I spent enough on this thing in the last few weeks trying to pinpoint the problems, I guess another $75 ain't gonna hurt ! Lol You got me thinking after reading that link. The guy mentions 2 one way valves in the pump. I wonder if I put one of them around the wrong way. It just looked like a piece of round fabric type stuff and a gasket. Ummmm, I wonder ! Thanks for the thought

04-01-2016, 06:50 PM	#37
ukpaul Not Yet Wild Join Date: Jan 2016 Location: TN Posts: 30	Re: Hesitation on 2 stroke Update !! New fuel pump arrived today from vintage golf carts. Put it on, runs not bad, got some decent speed but under load especially, starts to hesitate again. its not like regular with the revolutions of motor but like ranging from every couple of seconds to maybe 5-10 seconds going up same incline. I'm at my wits end with this. Sick of throwing good money after bad ! Any ideas ?

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