JS Motorsport Technical Link List

TECHNICAL LINKS
Lightweight pistons and longer rods Compression JSM innovations
Ultra-lightweight rods and pistons Camshafts, lifters & pushrods XR750, Full Auto, Axtell ports
Cutting pistons for squish band JS Asymmetrical Smoothramp cams Fork damping sleeves
Piston weight & vibration savings, rod and valve train weight comparisons Beehive valve springs Turcite fork bushings and damping upgrades
Balance specs Modifying your own valves for Beehive springs The oil tight Norton
Reed valve breather Beehive valve spring pressures Head gasket sealant comparison
Keihin smooth bore carbs

BIKES AND BUILDERS

VIDEOS
Piston demo street run Engine build, cylinders and lifters Reed valve breather
Gapless ring leak down test Engine build, lower end Tuning Keihin CRS smoothbore carburetors
Timesert installation for head studs Head building Finding top dead center on a Norton twin
Installing a copper head gasket with pliobond and wire Re-angling for big valves Doug MacRae/Herb Becker roadrace
Spintron demo showing cam and lifter wear Porting a Full Auto head Norton monoshock 4 speed battling against a field of Ducati monoshock 5 speeds
Camshaft timing Fork damper upgrade Joe Hunt Magneto test