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Old 02-25-2010, 05:50 PM   #45
netjustin's Avatar
Joined: May 2009
Location: Monterey, CA USA
Oddometer: 89
Originally Posted by G600
Does anyone know for sure if the “HYPERPAK” unit for the XT550 has a rev limiter??

If so, at what RPM’s??
Not to speak of. I ran my Hyperpak XT550 at sears point to a very high RPM -- well beyond peak torque with my 266-x4 megacycle top end. Probably about 8500 RPM. Never hit a hard limit on the ignition side, just a subtle release in arm stretching surge that told me it was time to shift; way higher than the 7K RPM redline on my stock XT600.
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