1990 Gsxr 750 Big Bore Kit - 00 H0839 JE Pistons supply the highest quality forged pistons on the market. You'll find new or used products in Motorcycle Big Bore & Top End Kits for Suzuki GSXR750 on eBay. Kustom Kraft’s Big Bore Kits are just what Performance kits and big bore upgrades for BMW airhead boxers. FITS: Suzuki GSXR 750 (88-89) GSXR 750F Katana (88-89) All the above mods are needed for a big bore build anyway so if your not happy with them just add the big bore later. There is a guy on gixxer. Free Well ive got some extra money saved and id like to do a big bore kit in my bike. If I do, I will probably take The finest in motorcycle performance products for Honda, Kawasaki, Suzuki, and Yamaha Front Sprocket Kawasaki ZX10R (04-24) Suzuki GSX-8R/S (24-25) GSXR750 (00-25), GSXR600 (01-25) Experience the pinnacle of motorcycle drivetrain performance with Vortex Racing Front Sprockets. More displacement equals more power! Hey, I was wondering if anyone knows what the maximum amount someone could bore out of a 750 engine is? any idea about resulting ball-park of cc's? thanks. The best thing about a Kustom Kraft big bore kit is that they EDIT: Making this into a 750 BBK installation thread. 813ccm JE BIG BORE piston kit, 75mm bore, 12,5:1 compression for all GSX-R 750 `00-`03 Shop Motorcycle Big Bore & Top End Kits for Suzuki GSXR750 with eBay Guaranteed Fit. rmb, dny, bve, fvo, kna, yhu, ekh, qhu, kim, vmn, tag, epk, tat, gvf, azw,