Modifications for the JS440

• My JS440 Jet Ski

• Some Modification information for the JS440

• My Dirt bike page

• My Sport bike page

I have found some interesting literature about personal watercrafts from mods to even fuels.

Here they are.......

GROUP K PERFORMANCE MODIFICATIONS FOR THE JS 440

ABOUT AIR LEAKS

CARBURETOR FINE TUNING GUIDE  by Harry & Gerhard Klemm / GroupK

CARBURETOR FINE TUNING GUIDE 1998 by Group K

COMPRESSION RATIOS & MEASUREMENT by the technicians of Group K

GASOLINE'S     by the technicians of GROUP K

GASOLINE'S PART 2 1996 - 1997

INSTRUMENTS OF SPEED by the technicians of Group K

NEW TESTING & NEW STUFF BY GROUP K

PERSONAL WATERCRAFT PERFORMANCE MODIFICATION

ABOUT 1998 HIGH PERFORMANCE PERSONAL WATERCRAFT by the technicians of Group K

ABOUT REAR CYLINDER PISTON SEIZURE by the technicians of Group K

Piston seizures  by the technicians of Group K

Here is another supplier of Jet Ski performance parts

We also offer machine work and porting services for all types of watercraft.