speedo recalibration with diff front sprocket - Honda Motorcycles - FireBlades.org
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post #1 of 60 Old 01-01-2005, 2:27 AM Thread Starter
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speedo recalibration with diff front sprocket

I am thinking of going down 1 or 2 teeth on the front sprocket on my 954: will this require a "yellow box" speedo recalibrator like I had to fit on my VFR? (Sorry if this has been asked before - if so, please redirect me to the appropriate thread).

Thanks and Happy New Year!
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post #2 of 60 Old 01-01-2005, 2:42 AM
 
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Re: speedo recalibration with diff front sprocket

Unless you want to do the math in your head every time you look at the speedo, and you don't mind the mileage adding up incorrectly.... yeah, you're going to need a yellow box or a speedo-healer.

Happy New Year

Last edited by hoagie; 01-01-2005 at 2:43 AM.
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post #3 of 60 Old 01-01-2005, 2:47 AM Thread Starter
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Re: speedo recalibration with diff front sprocket

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Unless you want to do the math in your head every time you look at the speedo, and you don't mind the mileage adding up incorrectly.... yeah, you're going to need a yellow box or a speedo-healer.
So much for a $20 modification! As I recall the yellow box wasn't cheap and then had to be fitted and calibrated. Oh well, I'd better start saving up....
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post #4 of 60 Old 01-01-2005, 3:07 AM
 
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Re: speedo recalibration with diff front sprocket

I know

I just picked up a speedo-healer from http://www.ridersinc.com for around $80. Pretty easy to calibrate w/ their online calculator though.
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post #5 of 60 Old 01-01-2005, 3:28 AM
 
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Re: speedo recalibration with diff front sprocket

Jim Ahlman
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post #6 of 60 Old 01-01-2005, 11:41 AM
 
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Re: speedo recalibration with diff front sprocket

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Originally Posted by deez
Jim Ahlman
+1. At approximately $90, it wasn't cheap either, but it does the trick!
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post #7 of 60 Old 01-01-2005, 12:57 PM
 
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Re: speedo recalibration with diff front sprocket

you don't really need your speedo anyway. You should know when you're going too fast. you have an idea now of how fast the bike is going, know your surroundings and how quickly things are passing and you'll be fine. I'd still want to fix it though cause it would bother me everytime I looked at it.

if you can't convince them, confuse them.

Last edited by CBR929RE; 01-01-2005 at 12:57 PM.
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post #8 of 60 Old 01-01-2005, 4:33 PM
 
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Re: speedo recalibration with diff front sprocket

Quote:
Originally Posted by ndj
I am thinking of going down 1 or 2 teeth on the front sprocket on my 954: will this require a "yellow box" speedo recalibrator like I had to fit on my VFR? (Sorry if this has been asked before - if so, please redirect me to the appropriate thread).

Thanks and Happy New Year!

Here's another place to purchase the Speedo-Healer

CALSPORTBIKE

It's a good idea to install the product as soon as you complete your changes since re-gearing the bike racks up miles on the speedo a bit quicker.
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post #9 of 60 Old 01-01-2005, 4:38 PM
 
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Re: speedo recalibration with diff front sprocket

Ahlman product! Plug and play. Just borrow (if you don't have one) a GPS unit from a friend and dial it in. Yeah, your $20 mod just turned into a $100+ mod, but it's still worth it.
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post #10 of 60 Old 01-01-2005, 10:22 PM
 
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Re: speedo recalibration with diff front sprocket

-2 on the front will probably cut the life of the chain in half since the turn it will be making is much more severe.

CBR Bob
TeamPromotion Coach#29TPM
Rider Ed. of N.J. Inc. Senior RiderCoachRENJ
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post #11 of 60 Old 01-01-2005, 10:27 PM
 
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Re: speedo recalibration with diff front sprocket

Yeah, no kidding...

I don't see any need to go any more than -1 in the front... if that.
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post #12 of 60 Old 01-02-2005, 12:31 PM
 
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Re: speedo recalibration with diff front sprocket

Quote:
Originally Posted by Bacchus
Ahlman product! Plug and play.
Same with the speedo healer, which also has a top speed recall. I just hooked up the batt wires, plugged in the harness and it was done.
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post #13 of 60 Old 01-06-2005, 12:45 AM
 
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Re: speedo recalibration with diff front sprocket

Actually the miles on the engine will be correct, but your distance travelled will not... me thinks????? Ahlman is the man!
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post #14 of 60 Old 01-06-2005, 12:48 AM Thread Starter
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Re: speedo recalibration with diff front sprocket

Quote:
Originally Posted by hoagie
I don't see any need to go any more than -1 in the front... if that.
How many teeth does the 954 front sprocket have as standard? Anybody know?
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post #15 of 60 Old 01-06-2005, 12:58 AM
 
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Re: speedo recalibration with diff front sprocket

Ndj - 16 tooth as standard. I went -1 at the front and it is the cheapest power mod ever!
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