Greetings:
Had a whole Sunday to relax. Time to install the Polini Primaries I bought very early on.
Of course EVERYTHING has to come off The Muffler, wheel, brakes, belt cover vario and clutch. Somebody tell me if there's an easier way to install the muffler. Invented 4 new cusswords!
Stock ratio was observed at about 7.8:1. There's a Gear Tally somewhere that matches my count-the-spins observations pretty closely. Polini primaries yielded 6.75:1 almost precisely. I'll do the math if I can find that table.
So with taller gears, the 0-5MPH necessarily suffers. I expected worse - this this 187cc has some Grunt. Modified the Malossi Delta clutch with yellow springs, a hair thicker than the whites that came with it. I haven't checked engagement speed but it seems higher. Turns out installing clutch springs does NOT necessarily require sutures! Who Knew? Tried out my snap-ring pliers and they work like a charm
Next up is the variator. To keep the engine more On the Boil, I dropped another 12 grams from the total load. RPM runs straight to 7850 when I pin the throttle, up about 300 RPM from before and the thrust is satisfying. Faster than my 250cc Reflex, though partly because of a 130-lb. weight advantage.