250 sx motor into cart help

pineypowerwpww · 11-26-2010, 03:42 PM

Ok let me try here I previously posted on the yamaha board and hopefully I can get some more help here to.
Ok my project cart really hit a brick wall. Got the 250sx three wheeler motor mounted in the cart and got everything running good. The problem lies in the stock rear end of the g14 I am not sure how it really works and don`t know why the cart won't go. I added some pics to show you guys what I have done and maybe someone can give me some advice on what to do and why this thing is a turtle. Also the lever on top of the rear what is this, what is it for any help would be awesome...

Dave in VA · 11-26-2010, 05:13 PM

Isn't that engine smaller that the original G14 engine?

essness · 11-26-2010, 05:22 PM

Quote:

Originally Posted by Dave in VA

Isn't that engine smaller that the original G14 engine?

Yes technically it is. But it may turn 1 more horse power than stock?

madoc1 · 11-26-2010, 07:52 PM

ok piney,you arrived here. now go to the top of forum and go into "bike and atv engine swaps" these are your friends

Flintrock · 11-26-2010, 07:54 PM

Looks like a start/ gen belt and a go cart primary for a start.....That will never work, it won't ride high enough in the secondary....

Flintrock · 11-26-2010, 10:24 PM

The only thing I see is to do with that motor is to make the most out of the gearing, and that means a new axle and a sprocket with a chain.

rokcrlr · 11-29-2010, 08:55 PM

Your trying to run your secondary with just a pully and a v-belt. You will have to either run a chain and sprocket drive to the rear axle or figure a way to use a full convertor setup, might have to throw a jack shaft into the mix. What you have there just plain won't work. The rear "pully" is actually a veriable ratio .

rokcrlr · 12-12-2010, 02:42 PM

pinypower , did you get rid of that v-belt yet and figure out why it doesn't work?

rifter · 12-12-2010, 11:20 PM

Just a thought, do you have the shift arm for the rear axle? It don't look like it's on the forward reverse shaft, or maybe I'm just blind.

1985 hot rod · 12-30-2010, 11:03 PM

I am trying to do something similar. I am grafting the cart to 4 wheeler with crossmembers- A cart mounted on a 4 wheeler. It will be at least geared correctly.

11-26-2010, 05:13 PM	#2
Dave in VA maintaining a low profile Join Date: Oct 2009 Location: SW Virginia USA Posts: 6,316	Re: 250 sx motor into cart help Isn't that engine smaller that the original G14 engine?

11-26-2010, 07:52 PM	#4
madoc1 no clue Join Date: Sep 2009 Location: spicewood, texas Posts: 3,308	Re: 250 sx motor into cart help ok piney,you arrived here. now go to the top of forum and go into "bike and atv engine swaps" these are your friends

11-26-2010, 07:54 PM	#5
Flintrock Raised by coyotes Join Date: Nov 2008 Location: Central Texas Posts: 5,658	Re: 250 sx motor into cart help Looks like a start/ gen belt and a go cart primary for a start.....That will never work, it won't ride high enough in the secondary....

11-26-2010, 10:24 PM	#6
Flintrock Raised by coyotes Join Date: Nov 2008 Location: Central Texas Posts: 5,658	Re: 250 sx motor into cart help The only thing I see is to do with that motor is to make the most out of the gearing, and that means a new axle and a sprocket with a chain.

11-29-2010, 08:55 PM	#7
rokcrlr Gone Wild Join Date: Sep 2010 Location: Decatur,IL Posts: 553	Re: 250 sx motor into cart help Your trying to run your secondary with just a pully and a v-belt. You will have to either run a chain and sprocket drive to the rear axle or figure a way to use a full convertor setup, might have to throw a jack shaft into the mix. What you have there just plain won't work. The rear "pully" is actually a veriable ratio .

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12-12-2010, 02:42 PM	#8
rokcrlr Gone Wild Join Date: Sep 2010 Location: Decatur,IL Posts: 553	Re: 250 sx motor into cart help pinypower , did you get rid of that v-belt yet and figure out why it doesn't work?

12-12-2010, 11:20 PM	#9
rifter rifter Join Date: Nov 2007 Location: Orlando Florida Posts: 4,055	Re: 250 sx motor into cart help Just a thought, do you have the shift arm for the rear axle? It don't look like it's on the forward reverse shaft, or maybe I'm just blind.

12-30-2010, 11:03 PM	#10
1985 hot rod Not Yet Wild Join Date: Oct 2010 Posts: 6	Re: 250 sx motor into cart help I am trying to do something similar. I am grafting the cart to 4 wheeler with crossmembers- A cart mounted on a 4 wheeler. It will be at least geared correctly.
1985 hot rod Not Yet Wild Join Date: Oct 2010 Posts: 6

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