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derbiboy schreef:goodluck!
110-120 km/h

woah awesome!
thank you for replying!

Beunhaas321 schreef:You"ll need at least a 21mm carburettor.

Okay, and what would be my top speed?

Hey guys, tomorrow i will receive my Malossi MHR 80cc and my SCR Corse 50/70 Racing line exhaust.
What will be my top speed with those? I got 14/53 transmition.
Also, what carburetor should I buy?
Thank you!

Hey guys, I found these two, what's your opinion about them? Are they worth it? What will be my derbi's top speed with those? Will it gain good acceleration? http://www.gearparts24.de/zylinderkit-malossi-mhr-80cc:a5090.html" onclick="window.open(this.href);return false; http://www.gearpart...

Hey guys, thank you for replying!

I think i'll get the Malossi MHR 80cc replica, is it good enough?
Also which exhaust do you think might be the best one?

Thank you.

How many kilometers did your Derbi drive 'till today? When it are more than 15.000km, I would advise you to change crankshaft. Before you choose a kit, it is important that we know where you use you're Derbi for, just for fun rides, or also to drive to school with? Hey, thanks for the reply. My der...

cylinder: i'd rather buy a malossi 80 replica exhaust: scr corse 50/70 hand made or if you got enough money a metrakit pro race carburettor: if you really wanna have a good acceleration a 28mm stage6 would be good, but you can buy a 21pwk stylepro this one costs around 70euros without shipment cost...

i would recomend the brk 80cc cilinderkit, you can order it with cilinder, piston, exhaust and i recomend a 22 keihin carburator Hey, thanks for replying. How much € will all those together cost? And what will the performance of my bike will be? Will it has a good acceleration and top speed? Also, ...

Hey guys! I have a Derbi senda DRD racing 50 (2006 model) and I want to upgrade it from 50cc to 80cc. I want you to tell me what is necessery to be changed, Cylinder & piston, exhaust, carburetor etc. And which ones are the best for my derbi. My budget is around 500€. I want it to have both good...