Does anyone make a 300ex big bore kit?
Nov 8, 2005 | 01:30 PM
#1
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Weekend Warrior
Joined: Nov 2005
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Does anyone make a 300ex big bore kit?
I am having a hell of a time finding a big bore kit for my 300ex. It seems like everyone and their sister make a 440 kit for the 400ex, but not me. And no, I don't want to put a 400 ex motor in my frame. If I was gonna go that crazy, I have a good running CR500 engine that would make a killer quad motor, but that's a different story. Anyway, of any one has an idea of where to find, say a 350cc big bore kit, please let me know. Thanks.
Nov 8, 2005 | 03:54 PM
#3
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Weekend Warrior
Joined: Nov 2005
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Does anyone make a 300ex big bore kit?
I actually have a Wiseco piston in my engine now, but I haven't checked to see if they have a big bore kit. I did some more searchingg, and I found a guy who makes a 350 kit, that he claims is just a bigger cylinder, and a replacement sleeve, although you have to modify(machine) the case. But he's just some random guy from another ATV forum, and doesn't actaully have a real business. But Anyways, I wouldn't mind stroking the motor if I have to, as i'm sure the lower crank bearings are pretty wasted by now anyway.
Nov 8, 2005 | 07:53 PM
#4
Pro Rider
Joined: Aug 2005
Posts: 540
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Does anyone make a 300ex big bore kit?
Take a look at the link below. They have some decent stuff for the 300EX.
300EX Kits
300EX Kits
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