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Sprocket ? - 9/18/2006 10:45:47 AM

Zain

Posts: 5
Joined: 9/18/2006
Status: offline

hey all new to the forum but i'm sure i'll be asking alot of question in the future. need a little help with a sprocket question, about two weeks ago i picked up a 04 1Krr.
noticed that the speedo was about 15 miles and our off at 55. got to looking and the rear sprocket has been changed to a 41 tooth. the shop were i bought this neglected to inform me of this. my question is haw can i determine how many miles are actually on the bike. thanks for your input.

Post #: 1

RE: Sprocket ? - 9/18/2006 1:06:01 PM

MgA_ODEN

2005 Ride Of
The Year
Posts: 2065
Joined: 4/19/2005
From: Spring , Tx
Status: offline

Stock sprocket sizes are 16/41 (on US spec 04-05 bikes)

gearing calculator

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Black 2004 CBR1000RR

(in reply to Zain)

Post #: 2

RE: Sprocket ? - 9/18/2006 5:12:46 PM

Zain

Posts: 5
Joined: 9/18/2006
Status: offline

really everything i've been able to find tells me that it should be an 40 tooth. even so what else would cause the speedo to be off by so much.

(in reply to Zain)

Post #: 3

RE: Sprocket ? - 9/18/2006 7:34:09 PM

baxsom

Posts: 1348
Joined: 6/28/2006
Status: offline

all speedos are off
when you change the gearing it is off by even more

when i put my 06 on the dyno the bike speedo read 185 at 6th gear redline
the dyno red 174

you have to get a speedohealer and then figure out by what percentage the bike speedo is off to make it read correctly

US spec bikes are 16/40 unless it is an 06
then it is a 16/41

the 04/05 euro bikes were 16/40

_____________________________

street-2006 1KRR,
track-07 600RR

yes, i guess maybe i can be a jerk, but i am tired of reading the same questions and hearing the same would be experts give out wrong info.

(in reply to Zain)

Post #: 4

RE: Sprocket ? - 9/18/2006 11:44:43 PM

MgA_ODEN

2005 Ride Of
The Year
Posts: 2065
Joined: 4/19/2005
From: Spring , Tx
Status: offline

quote:

ORIGINAL: baxsom

US spec bikes are 16/40 unless it is an 06
then it is a 16/41

the 04/05 euro bikes were 16/40

US spec bikes are 16/41 unless it is an 06
then it is a 16/42

_____________________________

Black 2004 CBR1000RR

(in reply to baxsom)

Post #: 5

RE: Sprocket ? - 9/19/2006 3:05:00 AM

chainstretcher

Posts: 4144
Joined: 11/5/2004
Status: online

Ya, stock for '04 - '05 is 16/41. But if your speedo is off 15mph at 55mph then something ain't right. I mean 5%-12% error for a bike speedo is almost expected but you're talking almost 30% off. Are you sure it doesn't have a 15/42 on it? No matter really, the best way to correct it is with a speedo healer -- easy install and set-up.

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Than high side!

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Post #: 6

RE: Sprocket ? - 9/21/2006 10:17:51 AM

Zain

Posts: 5
Joined: 9/18/2006
Status: offline

turns out that there is a recall on 04 speedo's, goes in next week to be replaced. hopefully that should fix it.

(in reply to chainstretcher)

Post #: 7

RE: Sprocket ? - 9/21/2006 11:18:21 AM

Rampage

Posts: 60
Joined: 6/30/2006
Status: offline

thanks, just call and scheduled mine too, I was very close on buying a speedo healer too.

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Post #: 8

RE: Sprocket ? - 9/21/2006 6:55:11 PM

baxsom

Posts: 1348
Joined: 6/28/2006
Status: offline

quote:

ORIGINAL: MgA_ODEN

quote:

ORIGINAL: baxsom

US spec bikes are 16/40 unless it is an 06
then it is a 16/41

the 04/05 euro bikes were 16/40

US spec bikes are 16/41 unless it is an 06
then it is a 16/42

my bad you are right i typod the US spec

_____________________________

street-2006 1KRR,
track-07 600RR

yes, i guess maybe i can be a jerk, but i am tired of reading the same questions and hearing the same would be experts give out wrong info.

(in reply to MgA_ODEN)

Post #: 9

RE: Sprocket ? - 9/21/2006 6:56:02 PM

baxsom

Posts: 1348
Joined: 6/28/2006
Status: offline

quote:

ORIGINAL: Rampage

thanks, just call and scheduled mine too, I was very close on buying a speedo healer too.

its still a good idea, especially with a tooth change

when i had mine dynoed it was 15mph off on the top end compared to the dyno

_____________________________

street-2006 1KRR,
track-07 600RR

yes, i guess maybe i can be a jerk, but i am tired of reading the same questions and hearing the same would be experts give out wrong info.

(in reply to Rampage)

Post #: 10