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  1. Engine
    Hello, i am quite new into modding and here in EU we don't have enough parts and modded hondas. So, i would like to know, what carb should i buy, i have big bore 510cc 05trx with stage 2 Cam and compression around 11:1, mostly racing hard country cross and from time to time some larger jumps. I...
  2. Engine Tech FAQ
    Hey just trying to get this bike running properly. The bike will start up with just the choke and no throttle and when it's warmed up it idles fine with the choke closed. As soon as I give it throttle it kills the bike immediately. If I slightly blocked the air into the carb with a rag the...
  3. Engine
    Hello everyone I got a fcr carb for my 05 it came off a 04 crf450r and I'm getting ready to get around to putting it on and I wanna know a base starting point for jetting for it. Here's my little upgrades Full Dasa exhaust, Dasa intake, and open airbox my elevation is about 2000'. So if anyone...
  4. Engine
    So my buddy has a 04 crf450 and blew it up. He said he will sell me the carb for cheap and if I'm correct the fcr will fit on my 05 with the adapter. my question is, is the CRF carb big enough for the trx I belive they are 40mm? (i don't see why it wouldn't be) and from the looks I might not...
  5. Engine
    Hello everyone I'm sure there's threads on this but i need help with jetting for my 05 trx450r. I just bought a dasa system and need help jetting. The guy I talked to down there said 195 main 50 pilot and raise needle up one position from stock (if anyone knows where stock is let me know still...
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