http://pinoymotorcycle.forumotion.net/engine-related-f11/-t1.htm For discussion of engine related subjects like Tuning Carburetors, air filters, Cams, Porting, Crankshafts, Exhaust systems, Re boring, Cooling systems, Gearing & Transmissions, Cranks, Carburetors, Pistons, Pulleys, boost/ vacuum bottles, Belts, Brakes, Reeds & Rollers etc. Thu, 01 Jan 1970 00:00:00 GMT 10 http://i60.servimg.com/u/f60/12/70/02/88/pm-ban10.png http://pinoymotorcycle.forumotion.net/engine-related-f11/-t1.htm