650R - raising Redline

5 replies to this topic
  • Maximus86

Posted February 13, 2006 - 08:27 PM


i've seen what appear to be a few "homemade" rev boxes for the 650 that raise the redline by 1000rpm...


didn't yoshimura offer an official one or something

reason i want something like this is i'll be roadracing the 650R on big tracks and need as much advantage as i can get an another 1000rpm seems liek it be nice

thats the only thing i miss about my ole 426 was how fast and high it revved

  • Maximus86

Posted February 13, 2006 - 08:32 PM


heres oen from XR's only

anyone use one? Most peopel probably don't need them in the dirt but when your talking about full on road course i think it be nice to have on top of my other mods


  • snaggleXR650

Posted February 14, 2006 - 05:06 AM


I don't think that rev box will give you anything noticeable with the stock cam as the motor is already going to sleep at around 6200RPM. With a stage 1 or stage 2 cam the motor will pull all the way to the top. Do the cam and headers first and see what you get. Then try the rev box. Just my opinion.

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  • Maximus86

Posted February 14, 2006 - 07:40 AM


ok-forgot to mention I have a full titanium exhaust-stage 2 hotcam-Quicksilver carb-bikes strong all the way to rev limiter

just wondering if anyone else has used this

another thing i noticed about the 650R is- Is the first gear suppose to be kinda low? Seems like it too me

  • johnnyonthegas

Posted February 14, 2006 - 07:59 AM


anybody know if the 99 'L' has a rev limiter built in?

I'm new to the bike, didn't get an owners book or anything like that and the other day while riding pave, it was a bit damp in places, but it seemed like I was either spinning the rear so hard, or I was banging the rev limiter,,......either one would surprise me

  • HawkGT

Posted February 14, 2006 - 09:11 AM


[snip]...Is the first gear suppose to be kinda low? Seems like it too me

On pavement, yes--it's too low with stock or very close to stock gearing (IMO).

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