My speedo is off

[jake]

is there an adjustment, it shows that im going quicker then what i actually am.

[steve speed]

how much quicker ?? most std speedos read about 10% higher,, the most accurate ones you enter the distance the wheel travels in one revolution

[slow codger]

Shouldn't be any more than 10%, on the satnav the car is 3mph out at all speeds. Can you check it against one?

Dave E

[jake]

well, when me and my mate were traveling at 60 (he was keeping the speed constant) my trx was showing 70ish. When we were doing 120, it was showing 170 - 180. Is there anyway to calibrate it ?

[youngy]

No, unless there is some aftermarket item that can be fitted between the drive and the head. What front tyre do you have?

[bobtrx]

How do you know his speedo is right , mate uses his GPS navigator to check his speed .

[jake]

Its off im sure of it

[youngy]

so..........what front tyre do you have?

[PeterGreen]

well, when me and my mate were traveling at 60 (he was keeping the speed constant) my trx was showing 70ish. When we were doing 120, it was showing 170 - 180. Is there anyway to calibrate it ?

You sure your mate's isn't reading MPH whilst yours is reading KPH?

[brockzila]

if its a bike in oz then its in km. they have not had mph there since the 60s/70s when they went metric.