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Author Topic: big bore stroker 640?  (Read 2046 times)

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Offline b4himdude

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big bore stroker 640?
« on: July 12, 2015, 01:01:42 PM »
ive seen an add im sure several of us have seen put out by rpm manufacturing and racing services. has anybody had any experience with their work. not that im wanting to be  overbored and shell out that kind of cash so i have a bike nothing can keep up with and i cant find parts for. i was just wondering what anybody thinks of this option on a k5 to a k640? thoughts......
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hell ,i,m so broke . if it cost a nickle to take a s**t, id have to puke.....

Offline LukeG

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Re: big bore stroker 640?
« Reply #1 on: July 12, 2015, 02:16:14 PM »
I have no experience with them but I would love to give them a go if I ever had the money. I know on the CR500 they replace the Honda cylinder with a Liger cylinder as it's made for the large bore, there was talk about one being developed for the KX500 engine but I don't know if it ever happened. I wonder what ring life would be like on one of these engines.
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1990 KX250 - Wanna be road racer!
2007 DRZ 462 Motard
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