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zosokam

Joined:

Oct 11

Posts: 21

zosokam says:

Speedometer faster than should be on Bandit

Hi there, would anyone happen know why my 08 Bandit 650's speedometer is showing more MPH than the bike is actually doing? At 70mph it is showing about 75mph on the gauge, not sure what it is at other speeds. Is this something that can be checked at home or in a garage and fixed? Many thanks for your help. Kam

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  • Posted 3 years ago (07 May 2012 21:25)

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jaffa90

Joined:

Mar 09

Posts: 8942

jaffa90 says:

mph

Could be different sprockets fitted to give it more bottom end.

What mileage has it done and is it an import?

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gjkt

Joined:

Jul 09

Posts: 441

gjkt says:

Governments way of slowing you down

My new bike, car & van all read faster than the actual speed you are travelling at. I'm convinced it's a way of reducing traffic speeds by stealth. I just drive at an indicated 63 now instead of an indicated 60 to compensate.

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eatcs01

Joined:

Aug 02

Posts: 3277

eatcs01 says:

speedo

Speedo over-reading is perfectly normal. They are usually up to 10% out.

They can over-read by a LOT more, when you're in the pub, bragging about your top speed runs. Especially if you're a teenager and there's totty in the vicinity :lol:

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AdieR

Joined:

Apr 08

Posts: 3042

AdieR says:

"At 70mph

its showing 75 on the gauge" - how have you measured this?

As Jaffa - maybe you've got different sprockets from standard which would throw it out a bit. How worn are your tyres? Many speedometers have an in-built "tolerance" to account for wear.

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zosokam

Joined:

Oct 11

Posts: 21

zosokam says:

jaffa90

Jaffa, it's done 22k and bought in the UK.

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zosokam

Joined:

Oct 11

Posts: 21

zosokam says:

AdieR

AdieR, I measured the difference by asking a mate to drive his car at a constant 70mph for a while (assuming his speedo is ok!).
Tyres are not worn, the front has been recently changed and the back has got plenty of thread in it.

Is it always MORE mph than actually going or does it vary? Would be rather worrying if it could go either way (I here have speed cameras in mind).


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frazmataz

Joined:

Jan 11

Posts: 204

frazmataz says:

My K8 Bandit

on standard gearing is about 10% out as eatcs01 says, measured from the sat nav. :winkie:

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jaffa90

Joined:

Mar 09

Posts: 8942

jaffa90 says:

mileage

Just count the number of teeth on the front/rear sprockets,as said it`s just under 10% out the right way for you. 

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zosokam

Joined:

Oct 11

Posts: 21

zosokam says:

Fix

Can it be tuned to be accurate?

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frazmataz

Joined:

Jan 11

Posts: 204

frazmataz says:

Chances

are that you mates car is out also.

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