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Everything Dirt Bike
General Dirt Bike
Hot cam or R cam
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<blockquote data-quote="ossagp" data-source="post: 176419" data-attributes="member: 1650"><p>I went the other way with an earlier crf250. you may like a different adjustment or pump setup on yours if the bog is coming when you open the throttle more quickly. Web (webcams.com) makes a cam grind that works with the stock springs if you ask for. It was developed for Honda Racing and was an early supercross profile. I use the 2008 cam, but I am going to get the Webb and get it with an adjustable sprocket. Bigger is better when it comes to making the lag between the wide ratio gears easier to take. my next trick is to machine a set of cases I have to accept the the crankshaft out of a 2011 to go with my bigbore cylinder. The cam chain from the newer bike should let me lift my cylinder, keep the longer rod and be happy. I have two of the wide ratio gear sets, a set of CRFX cases, but havent put an ebutton on mine yet. I considered using a cam like you have by the way, looking for a more slow trail oriented bike. with the bigbore kit and the light flywheel of the crf the bike is a bit twitchy in low gear now. I havent tried it with the crf primary gears but that is on the list when the longer throw crank goes in this winter.</p></blockquote><p></p>
[QUOTE="ossagp, post: 176419, member: 1650"] I went the other way with an earlier crf250. you may like a different adjustment or pump setup on yours if the bog is coming when you open the throttle more quickly. Web (webcams.com) makes a cam grind that works with the stock springs if you ask for. It was developed for Honda Racing and was an early supercross profile. I use the 2008 cam, but I am going to get the Webb and get it with an adjustable sprocket. Bigger is better when it comes to making the lag between the wide ratio gears easier to take. my next trick is to machine a set of cases I have to accept the the crankshaft out of a 2011 to go with my bigbore cylinder. The cam chain from the newer bike should let me lift my cylinder, keep the longer rod and be happy. I have two of the wide ratio gear sets, a set of CRFX cases, but havent put an ebutton on mine yet. I considered using a cam like you have by the way, looking for a more slow trail oriented bike. with the bigbore kit and the light flywheel of the crf the bike is a bit twitchy in low gear now. I havent tried it with the crf primary gears but that is on the list when the longer throw crank goes in this winter. [/QUOTE]
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