Rev limiter -CRF's Only Forums

crf150-14 · by **crf150-14** » Thu Nov 18, 2004 5:27 pm

if i were to get an aftermarket rev limiter, would it hurt the bike? it ways it gets rid of the stock ~8600RPM limit and allows it to get up to ~9600RPMs. I just didnt know if the 9600 RPMS would hurt the bike by allowing it to go up to high?

by **crfsonly** » Thu Nov 18, 2004 5:41 pm

no it won't hurt your bike...the rev limiter name is 'limiting' what people think it does. yes, it will extend the rev limit but it also changes the ignition curve which causes the bike to rev quicker. so, the engine will get to rpms faster as well as go further with them.

good luck and let us know if we can help you get one.

ken

crf150-14 · by **crf150-14** » Fri Nov 19, 2004 2:16 pm

thanx. but i have no clue what kind to use.

by **crfsonly** » Fri Nov 19, 2004 2:22 pm

no problem...the one that is the most popular with our members is the BBR rev box. you can check them out here:

http://crfsonly.com/catalog/product_inf ... cts_id/329

crf's only

CRF150-14 · by **CRF150-14** » Fri Nov 19, 2004 2:27 pm

i just have one more question. what is a throttle curve?

by **crfsonly** » Fri Nov 19, 2004 11:04 pm

throttle curve...ignition curve...it's how quickly the rpms (pulses/ignition/spark) ramps and how far it will go before it maxes out.

crf150-14 · by **crf150-14** » Sat Nov 20, 2004 7:13 am

ok. so the bike will go throught the gears fast and will make it go faster?

by **crfsonly** » Sat Nov 20, 2004 10:18 am

basically what changes it the bike will rev quicker than before...so you'll get to more horsepower quicker...it's your job to shift

willflyforfood · by **willflyforfood** » Sat Nov 20, 2004 11:23 am

How much more of an RPM increase does a rev box give? If stock is 9800 RPM does it increase by 500 or 1000? Or does it eliminate the limiter all together?

crf150-14 · by **crf150-14** » Sat Nov 20, 2004 7:22 pm

i kno i have to shift on my own, but my question still stands, will the bike go faster??

Guest · by **Guest** » Sat Nov 27, 2004 10:11 am

More RPM's (the wheel goes around more times per minute) . . . Quicker throttle response . . . faster bike

by **crfsonly** » Sat Nov 27, 2004 10:27 am

willflyforfood...according to bbr it "Eliminates the 9800 rpm rev-limiter of the OEM ignition" You could read this two ways...so, I'm not sure. It will have a limit of course but what that is I'm not sure.

The White Brothers CRF230 rev limiter claims to extend the RPM range by 2000 RPMs.

ken

macattack · by **macattack** » Mon Nov 29, 2004 9:57 pm

Put the BBR's on my boyz 150s. Definitely worthwhile and worth the money.

Running one with a Big Gun and a 115 main jet, the other with the baffles out of the stock pipe and a 110. Both with the needle raised a notch (clip down a notch).

Big difference in what they can do with em as opposed to stock.

For info - BBR does now make a specific application for the 150. Same specs, just in a bigger box so it fits instead of having to be taped up.

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