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Anybody gear lower for the drag-strip?
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jeffskar_imp Offline
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Anybody gear lower for the drag-strip?
#1

Just wondering if anyone has installed a smaller drive sprocket, or a larger wheel sprocket to see what kind of gains could be had at the drag strip? I know everyone wants more power, more sound, and most times higher final gear ratios, but just curious if anyone has done this yet, and what resulted.


09-05-2015, 06:46 AM
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Randy B Offline
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RE: Anybody gear lower for the drag-strip?
#2

Without a reflash it won't do you a whole lot of good as the bike hits the speed limiter in the ¼ mile with the stock gearing.


09-05-2015, 07:05 AM
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jeffskar_imp Offline
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RE: Anybody gear lower for the drag-strip?
#3

The track I usually go to is actually an eighth mile track, so I'm bettin I won't be much over 80mph through the traps. Where is the top speed limiter set on these things, I think I've been about 110-115 on mine a time or two?


09-05-2015, 12:39 PM
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the Ferret Offline
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RE: Anybody gear lower for the drag-strip?
#4

Approx 112 mph. besides the top speed limiter there is also a rev limiter in several gears


09-05-2015, 12:46 PM
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jeffskar_imp Offline
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RE: Anybody gear lower for the drag-strip?
#5

Hopefully not below 8500rpm, I can't really see needing any more rpm than that for these bikes?


09-06-2015, 12:44 AM
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Lord Popgun Offline
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RE: Anybody gear lower for the drag-strip?
#6

Jeff, most who have reflashed the ECU have the speed limiter removed and the rev limiter moved up 500rpm. There is a TON of info on this if you search for ECU reflash or Don Guhl.


09-06-2015, 12:48 AM
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the Ferret Offline
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RE: Anybody gear lower for the drag-strip?
#7

Max horsepower on these bikes is at 7300 rpms, max torque at 5800

Interesting thread on the limiters

http://cb1100forum.com/forum/showthread....ev+limiter

Another on a reflashed CB

http://cb1100forum.com/forum/showthread....ev+limiter


09-06-2015, 03:20 AM
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