![]() Once i finished fixing up all the bikes at the shop i'll be fitting a revised ported cilinder (54cc), new CF reeds plus taller gear (16 x 42) to make it go 100+kmh at the straights on a small go kart track, so far the best my Dio has done is 90 kmh on stock gears using the lousy Malossi pulley which has very little overdrive, i'll also going to modify the pulley tracks to get more overdrive, it's a shame to replace this piece of hardware so i'll make the most out of it. it a challenge to make a Dio go fast even with a lot of aftermarket parts it's still no match for the Jog on a drag race so that's why i own a Dio scooter to make it go just as fast as the Jog (hopefully). ![]() I think the Dio peaks out at 11,000 rpm 'coz i want to make it more reliable for the owner to enjoy it, of course it can go to 110kmh if we fitted a stroker crank, race porting but the motor won't last long on the street (piston & ring wear). Click here to view all the Piaggio Zip 50s currently participating in our fuel tracking program. ![]() a full race Jog 54.7cc with stroker crank, 25mm carbs, race porting & 41.5mm piston can run 125 kmh on the drags but reliability is an issue when it's used for the street. ![]() Honda Dio scooters (vertical) are not rev monsters like those of the Yamaha Jog which has a bigger bore & a shorter stroke (40mm x 39.2mm) than the Dio (39mm x 41.4mm) so 105kmh possible on road set-up(Dio), i also tuned my rider's Jog and it went a respectable 115kmh with porting, Multivar, Malossi torque drive, 14 x 34 gear up kit, racing CDI, Polini reedblock, 4N race pipe & 21mm Dellorto carbs. ![]()
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