markw Posted January 6, 2009 Report Share Posted January 6, 2009 hi guys, i have a k2 gsxr 1000 and was thinking of lowering the gearing,probably by 1 tooth at the front how far out will the speedo be...?, how much are those speedo healer thingies i did it on my 94 blade but the speedo was run off the front wheel so no change cheers in advance mark Link to comment Share on other sites More sharing options...
2 smokes 4 ever Posted January 6, 2009 Report Share Posted January 6, 2009 whats your current (std) sprocket sizes? Link to comment Share on other sites More sharing options...
abos Posted January 6, 2009 Report Share Posted January 6, 2009 Mark, If you have a 15 front and 45 rear then the speedo sensor reads 3 times for every wheel turn, if the front is then reduced to 14 the speedo reads 3.21 times for each wheel turn therefore over reading the speed by approx 15% (I think the maths is right) this is why you also get the extra thrust. The Late John Robinson produced several books and one of these explains this in detail. The healers are avilible for about £40. I hope this helps Abo Link to comment Share on other sites More sharing options...
markw Posted January 6, 2009 Author Report Share Posted January 6, 2009 wicked thanks guys, i think its a standard set up on the bike at the moment. zakalwe, that would be great if i could grab yours off you, what is the best of getting it to me , unless you live in sunny devon ( he says as its -4 already tonite ) to be honest if the speedo over reads you can always bear it in mind when out and about. right back in an hour after ive seen the miserable tottenham loose again..!!! thanks mark Link to comment Share on other sites More sharing options...
markw Posted January 6, 2009 Author Report Share Posted January 6, 2009 oh well not so miserable now.....happy again Link to comment Share on other sites More sharing options...
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