Velo
Well-Known Member
Did you ever measured the power output when it was still a stock 180cc?
I'm curious about the increase of power.
I know a stock 180cc 2 stroke has 17,5 hp so over 24 hp is a very nice score with a 210cc 4 stroke!
Are the 'only' "power effective" adjustments you've made to reach this the malossi 210cc, camshaft, valves+springs, digitronic, in- and outlet channel modifications and the exhaust?
Are the 'spiebanen' (don't know the english word, if you don't understand i will look it up
) of the malossi torque drive straight? I thougt to see on the pics on the malossi site that there was still a curve in it?
I'm asking because i'm also looking to do something like this
Btw, a German firm called Kübler sells a 244cc kit for the vx(r). This is a 72mm bore and 60mm stroke cilinder from a piaggio quasar engine.
The kit includes the cilinder+piston (same bore as the stock 200cc but, higher), 60mm stroke crackshaft (modified, to fit the runner ignition) and the other parts you need to fit it to your engine like a longer camshaft-chain etc. Cost just under 600 euro, maybe something for you?
I have never mesured it plain stock from the box. But it gained some with the exhaust and the roller adjustment.
Conserning power. There is allso a 34 mm Poweret Dell'orto mountet to it with a modified Posh inlet funnel. Combined with a Denso U31ET-R Spark plug.
The 'spiebanen' are stright. The same is the stock but in a more moderate angle. I went down a couple of grams in roller weights because of the change.
Thanks about info on the Crank shaft. But I allready have a Malossi crank for it. (Thoght not mounted yet... Race season you know ;-) ) The next thing for it is an additional cooler. The stock cooler isn't big enough for it.
