Speedo Calibration costs

[Nolan]

If i change my rear sprocket size how much would it cost to recalibrate

[Brian d marge]

67.50 plus parts . I would like to be able to say I could do it, but I am installing the new ignition sensors on the Enfield Taurus.

There should be Someone here on this site that may be of more assistance sorry !

Stephen ( gomenne! )

[What?]

Nothing. Your speedo is driven off the front wheel, not the gearbox.

[sAsLEX]

Nothing. Your speedo is driven off the front wheel, not the gearbox.

Might pay to know your facts first, most Honda Sprot bikes are gear box driven the MC22 included, all you have heading down to the front wheel is the two hydraluic lines to the brakes.


And the original question, could PM one of the cops on here and ask if they could help out by offerring to laser you as you went by at indicated 100/50 and them telling you your actual speed, then just vivid on to the speedo. Or ask them where to find one of those speed trailers

[Nolan]

thanks for the help so far.
I thought it would be a common thing to know with all the sprocket changes people do.
Would bike shops do it?

[sAsLEX]

thanks for the help so far.

Would bike shops do it?

I suppose they could use a dyno for it as they can measure wheel speed, PM Lou Giridan on the site

[Nolan]

yea i thought about dyno's but im trying get this bike as nice as possible without too much cost and im thinking it'd be pricey.

[Flyingpony]

Do a google and find those spreedsheets which help workout the percentage change in gearing ratio. Most of them also include the respective impact on speed change as well.

You'll find that dropping two teeth in the rear and leaving front unchanged will net about 1-2km increase for a given gear/rpm point - well, it did for my bike.

[Pixie]

Fit a cycle computer