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01-03-2020, 06:33 PM | #1 |
Not Yet Wild
Join Date: Dec 2019
Posts: 10
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Ezgo stock 13.5hp large enuf for 25” tires
I have a ezgo txt with a stock 13.5hp Kawasaki motor with a team clutch. It’s a 1200 hauler so it has a dump bed. I use it for moving fire wood, yard Debris and stones for wall building. I haven’t run into any problems pulling a load up a wooded trail on 22” tires, but I’m toying with the idea of increasing the lift and trying out 25s. I want to build some off-road trails.
I read that you Loose torque as your tires increase in size. Most of the information I’ve come across is for electric carts or the older 9 hp motors. I know those can be turned into beasts but what I’ve read the 13.5 Motors are more difficult to tune. As much as the Vegas engine swap sounds amazing, I’m one of the few that digs the pedal start. I’m interested to know if people Running the 13.5 Kawasaki motors have Successfully done so with larger tires and minimal torque loss. |
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01-03-2020, 06:47 PM | #2 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,682
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Re: Ezgo stock 13.5hp large enuf for 25” tires
Not sure about the 400, but I had a carryall with the FE350 which I believe is 11.5hp. I ran 25x10-12 rear and 25x8-12 front tires with no problems. I could haul a 5x8 trailer with a 6 foot round bale (around 1200-1500lbs) without any problems. I'm sure its not the best for the cart and wouldnt want to do that ALL the time, but it handled it fine. And driving with no load was no difference to me between 22 and 25" tires. Yours has a bigger motor yet, so I'd imagine it would be fine.
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01-04-2020, 09:13 AM | #3 |
Not Yet Wild
Join Date: Dec 2019
Posts: 10
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Re: Ezgo stock 13.5hp large enuf for 25” tires
Thanks for the reply. That’s good to hear.
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01-07-2020, 06:21 PM | #4 |
Getting Wild
Join Date: Nov 2013
Location: Northern, IL
Posts: 120
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Re: Ezgo stock 13.5hp large enuf for 25” tires
Why not play with the clutches, gearing, etc?
While I don't have a Kawasaki motor, I have a CT Rebuilds Robin 375 (13hp) in a TXT on 23's with a machined secondary clutch and it does no problem going up steep hills in our campground with 4 adults, cooler, boat gear, etc. You're not going to see much difference going from 22's to 25's. |
01-08-2020, 09:33 AM | #5 |
Not Yet Wild
Join Date: Dec 2019
Posts: 10
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Re: Ezgo stock 13.5hp large enuf for 25” tires
I just started to do some research on clutch machining. It seams like a good option. My limited searching shows that g boost and carts parts plus might be able to make that happen. I could have sworn months ago I read a post discussing another go to company for springs and machining for ezgo. Any names would be helpful.
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01-08-2020, 02:40 PM | #6 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,441
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Re: Ezgo stock 13.5hp large enuf for 25” tires
Just a thought....you could also do some mild engine work. Port and polish the head, larger exhaust, rev kit, carb upgrades....all will net a very good amount of power and throttle feel. Those engines are very under tuned from the factory to meet EPA standards, they are capable of making more power.
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01-08-2020, 03:19 PM | #7 | |
Getting Wild
Join Date: Nov 2013
Location: Northern, IL
Posts: 120
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Re: Ezgo stock 13.5hp large enuf for 25” tires
Quote:
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01-08-2020, 03:36 PM | #8 |
Not Yet Wild
Join Date: Dec 2019
Posts: 10
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Re: Ezgo stock 13.5hp large enuf for 25” tires
All great ideas. Its time to start Researching so I know what the heck you guys are talking about. I guess the first step is to figure out how to pull the clutches. I’m sure a quick search would tell me how to do that thanks
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01-10-2020, 05:24 PM | #9 |
Vegas modded 420
Join Date: Jun 2009
Location: West MI
Posts: 15,443
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Re: Ezgo stock 13.5hp large enuf for 25” tires
Modding the clutches will help a lot, that typically helps take off which suffers the most with larger tires, and helps lower speeds. Its still going to have same power but use it better. I've put 420 clones in G9 Yamaha and its about twice the power, they say they are 15 hp but also new compared to old tired stock engine with 9.5hp. With a hauler cart I would probably look at a v twin lifan or HF its not a lot more than the clones and would have a lot of torque for hauling....if you wanted to do a swap. You can try to mod the stock engine but few have much luck with it, I mean it helps but not a lot.
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01-11-2020, 06:47 PM | #10 |
Gone Wild
Join Date: Mar 2010
Location: Western KY
Posts: 218
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Re: Ezgo stock 13.5hp large enuf for 25” tires
Mine has no trouble lugging big loads up some pretty steep hills.
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