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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
dyno a big bore
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[QUOTE="marcusgunby, post: 707988, member: 17066"] angus a real treat for you from steve125-he is a big bore expert, i had a KX133 that went very well but i never dynoed it.You can see out of the CR139,KX144 and YZ144 only the YZ has the dip at pv open. is yours the 2002 listed in your profile? as me and steve havnt done much work on the older KX, however a fmf factory fatty seems to work well on almost any big bore, i dont think much of the vforce on the later KX but it might be the hot ticket on a 02? on fuels you have a good 1hp hiding if you find a good fuel that matches your use-i think the hot setup is ultima 2 but i dont get a chance to mess so im just repeating steves findings, hopefully he will read this thread and chime in. So basically your talking roughly 32hp std and upto 38hp with a big bore-i rode steves and it was a total animal-ive seen dynos of a worn cr450 with only 40hp so a 38hp KX144 is fast trust me,it was almost too much for my unfit body to cope with, im sure steve lent it me to slow me down;) marcus. [/QUOTE]
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MX, SX & Off-Road Discussions
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dyno a big bore
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