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About ccbnorway

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  1. ccbnorway

    Need help w/ popping!

    Hey, noted that you have swapped exhaust. An untight exhaust will possibly cause popping as unburned fuel mixed with fresh air is explosive. Just a thought I share since this was a problem on my street motorcycle with an aftermarket pipe that didn't fit 100%. I really do not understand why people do not take their bikes to a dyno and track down the excact air/fuel mixture. Adopting another persons experience may not work as anticipated. I'm not a religious man and if I don't have any facts I pay little attention to what is being claimed "right". Leave the guessing out...sometimes facts is the way to go!
  2. ccbnorway

    Exhaust from crf 450r to crf 450x

    yes you can...it fits. Have tried yoshi....! I did not like it though. Its more build for rpm... you can buy mine :-)
  3. ccbnorway

    Need more power!! Suggestions please.

    Hi there, i recomend you go on a dyno for jetting. Just bying a set of needles from from f.instnace JD is not gonna get you spot on. Every bike is a littlebit different and so is the climate and (gas) your bike is exposed to. I have tried Yoshimura offroad alu on mine and guess what... the power and torque was greater with the standard pipes with the end/ sparkarrester removed. Airbox must be opened thoroughly, but don't do that before you have "richened" the engine by giving it more gas, it is set up very lean. chaning to a more open exhaust will lean some, opening the airbox makes a big difference. If your engine runs lean it will pop, stop and you can eventually damage the valves due to overheating. Fuel also cools....... A dyno run/ jetting should cost you more than 100 USD. We pulled out 8 hp around 6.000 rpm just by getting thing right. I doubt if a W.Brother and JD set will give you that unless you fine tune. don't guess... know for certain!