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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
dyno a big bore
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[QUOTE="bclapham, post: 708109, member: 25565"] looks like we have another power junkie in our midst!:) angus: dont get obsessed with every bolt on going, since quite often the stock setups are often good. the first thing you should be looking into is Eric Gorrs book, lots of good stuff in there such as measuring squish clearance- you can adjust optimise this with different thickness gaskets and if you change the base gasket this will change the port timing for trading top end for low end or vice versa. that said, there seems to be a lot of anechdotal evidence for the fmf fatty pipe on the big bore-ive just bought one, here in socal, i see a lot of RPMs bikes running that pipe- i am sure they have a dyno so there is probably a good reason why they run that pipe. as for the v-force, well you will just have to try it- it works well on some bikes but not on others- it created a jetting nightmare on my rm144, and i was glad to get the stockers back on. dont forget, these bikes needs lots of TLC, you can get the rings for that piston ordered from your local shop. Jetting is also important to get the best.- what carb comes on that bike btw???? once youve got that bike dialled, dont forget decent tires are a must to holeshot that first turn! good luck and have fun, and dont forget to post back your results! :thumb: [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
dyno a big bore
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