Derbi-forum.nl

Rat B*stard schreef:You only reach 4000 RPM.
I think you should put a smaller front sprocket on it.
I don't now what is stock in your country or for your particular model but the most guys here have 13-53 with your set-up.

derbi-ftw schreef:Have you ever had the cylinder head/cylinder of the engine? so you could measure it up.

But maybe that 105km/u is in fact just 80 or 90km/u...

derbi-ftw schreef:With rasp u mean ''Tuning''?

And yes you can place that sprocket on your Derbi Senda.

AlrikV schreef:I also removed the catalytic converter from the stock exhaust, after that my top speed was around 85km/h.

Rat B*stard schreef:I thought stock speedometers did only 80.

AlrikV schreef:wow, that speed with your modified stock exhaust is exceptional.
or 105 downhill?

Tino schreef:

flyingdutchman schreef:how much faster do you drive without those tubes in your exhaust ? or is it just for the noise

It's just for the noise!

Xtreme06 schreef:Nice progression
delete.

derbi-ftw schreef:Snow moped What exhaust u got there wrapped?