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XR650
11-24-2006, 03:58 PM
What is the rpm limit that the stock cdi is set at. Also what do some of the aftermarket boxes go to (rpm).
Honda#4
11-24-2006, 04:08 PM
The stock goes to about 8200 or 9300rpm's I can't remember though, but a aftermarket cdi goes a 1000 to 1100 over stock.
GPracer2500
11-24-2006, 04:17 PM
Stock rev limit is 9100 rpms.
stalefish_132
11-24-2006, 05:42 PM
most prople swap in a XR250 rev box for the extra 800rpm's that it gives.
cals400ex
11-24-2006, 06:51 PM
9100 for a 400ex.
heavyonthegas
11-24-2006, 07:57 PM
What are some of the downsides people have noticed by raising the rev on a stock engine? Maybe a better question, what are any down sides to raising the rev limit on a stock engine?
cals400ex
11-25-2006, 10:56 AM
we actually gain throttle response with all of the rev boxes we have tried. there i no really need for an increased rev limit on a stock motor. if you put in a cam and a good pipe then i felt it was needed.
Kaleigh
11-25-2006, 11:02 AM
Originally posted by cals400ex
we actually gain throttle response with all of the rev boxes we have tried. there i no really need for an increased rev limit on a stock motor. if you put in a cam and a good pipe then i felt it was needed.


it also changs you're Icurve.. Iput my engine back to stock and tried my stock and aft revbox and I like my revbox better.. seems like the engine isnt working as hard to get me up to speed quickly..