Changing gearing,

[Blackrandomap...]

I wanna add a tooth to the rear and drop 1 from the front on my r6, Can someone tell me how much this will affect my speedo reading?

Or is it nothing to worry about?
Regards

James
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1x 2001 Yamaha R6 1x 2000 Yamaha R6 !For Sale! £2500 1x 2003 Cbr600rr Racebike 1x 2004 Wr450 Sumo 1x 2001 Ktm520 Sumo

[chris-red]

It depends does your R6 read from the speedo or from the front wheel or the gearbox, if it is from the gearbox it will definitely affect it.
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[Chriss]

Hi,

It will affect it, depends on the original gearing as to how much it will affect it. A speedo healer from these guys would fix it. https://www.healtech-electronics.com/
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TheShaggyDA: I've got 3 or 4 pairs that predate my wife, so at least 11.5 years old.

[Blackrandomap...]

Ive seen these healer jobs,
Thing is im trying to keep the cost down a little because im debating getting a cbr (Another thread)
Just wanted to have a fiddle around with the gearing,

Will the speedo be out enough to give a silly reading?
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1x 2001 Yamaha R6 1x 2000 Yamaha R6 !For Sale! £2500 1x 2003 Cbr600rr Racebike 1x 2004 Wr450 Sumo 1x 2001 Ktm520 Sumo

[Kickstart]

Hi

Stock is 16:48, so going to 15:49 it is going to be about 8.5% out.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Blackrandomap...]

Your mind must be full of info, How the hell did you work that out?
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1x 2001 Yamaha R6 1x 2000 Yamaha R6 !For Sale! £2500 1x 2003 Cbr600rr Racebike 1x 2004 Wr450 Sumo 1x 2001 Ktm520 Sumo

[Kickstart]

Hi

Dug the gearing out and worked it out. (16*49)/(15*48).

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Blackrandomap...]

How did you work out the percentage?

Would this gearing make the bike easier to wheelie in second? As it is i can barely get the wheel of the floor without ramping the hell outta it?
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1x 2001 Yamaha R6 1x 2000 Yamaha R6 !For Sale! £2500 1x 2003 Cbr600rr Racebike 1x 2004 Wr450 Sumo 1x 2001 Ktm520 Sumo

[Kickstart]

Hi

Equation gives the ratio. About 1.085, which is 8.5%.

As to wheelies, probably more down to practice.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Blackrandomap...]

changing gearing was a crap idea, put a 15t on the front today and the ride was horrible!
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1x 2001 Yamaha R6 1x 2000 Yamaha R6 !For Sale! £2500 1x 2003 Cbr600rr Racebike 1x 2004 Wr450 Sumo 1x 2001 Ktm520 Sumo