42mm piston for yamaha RD60 and more

i know y'all been waiting for this one... its a 42mm or well 41.90mm to be more precise piston!! should go great in a stock yamaha rd60 but there are some interesting applications for you hackers out there.. those boost ports for instance... so a smorgasbord of measurements to follow!!

42x1.5 FG rings
12mm wristpin and clips
33mm long wristpin
48.5mm tall
23.4mm from the top of the dome to the center of wristpin
16.3mm by 10.2mm boost ports
boost ports are 5.5mm apart and 4.4mm from the bottom of the skirt

alright have fun kiddies!!

treatland