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Kitaco 145cc SE Bore kit

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Does anyone know anything about the Kitaco 145cc SE Bore kit for the XR100?

Heard anything good or bad? Is it fast? Will it last? Anyone here actually use this kit?

Any thoughts on running one in an XR100 frame rather than going to a CRF150, which I need to run against in mini-moto? (Class is up to 150cc four strokes)

I know I'll have a weight advantage. Hoping to make around the same HP.

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Realistcally if you have a 145cc in the 150 class, and everyone else has crf150's you will still be down anywhere from 25cc to 102cc's. Even a stock 150 has 156cc, so technecally it's illegal too. So if 6cc makes it illegal, why not build a 252cc bike. I've rode CRf's bike with big motors and they pull almost any gearing you can put on them. The only way your XR100 will stand a chance is if your pro. But if you are, then do it, it will be a fun bike.

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I'm guessing a little less motor and a whole lot less weight will even things out .. hopefully this is not just wishful thinking.

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In a small tight track a modded xr100 can win.

The fastest guy where I've been riding has a XR100

with the Takagawa kit. Good torque I guess.

He is also an awesome rider

Some TTRs have the 150 kit, they are fast.

I think a 146XR with pipe and jetted right will hold

its own against a CRF150, b/c the 150 is a lot heavier.

I liked riding the xr100 b/c its the smallest and easiest to

throw around.

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Are we talking about mini moto as in supermoto or moto as in motocross?? I was thinking supermoto.

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SuperMoto .. and also ice racing, flat track ... no motocross though.

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"Holly crap that kit is $1140"

Yes .. but try to find a good used CRf150 motor .. then add up the cost of piston, cam, head work, valves, springs, etc etc etc ... its close.

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OK supermoto. Then I stand by what I said. But, I'm also assuming everybody is more less the same ability riding and the tracks are somewhat big. Obviously, if your slow (me) a faster motor won't help. I was faster on a built 200, than a 250f. But yeah, a tight track with not many straights and xr100 will be perfect. (which is the same for motocross). But most of the time (I'm guessing) when they have races, unless it's a mini only race, you race the same track as big bikes.

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Is today the day SuperDave? We want a full report by this afternoon!

Your the only guy I know with a 145 kit ... you gots to share man. 😢

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Sorry...not today. Everything's pretty much done, but I got busy at work and could break away to pick it up. Should get it this weekend...

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Nor will a 200 be legal for most mini classes ...at least around here.

Most clubs that I have investigated run an up to 150cc 4 stroke class.

Choice of weapon ... XR100, TTR125 or CRF150

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I have often thought of "de-boring" a xr200 motor to 150cc if that ever became a prob in our area. 😢

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