Yamaha 64X SJ 780cc Cylinder Kit Racing SJ780-KIT

Yamaha SJ780 IJSBA Stock Lite and UIM GP3 Racing Kit – Bore 85.50mm (780cc)

Yamaha Genuine Cylinder 64X-11311-08-8S, Wiseco 757M08550 85.50mm Piston Kit (2pcs) – Ready bored 85.50mm cylinder and cleaned port finish
Included:
Yamaha new 64X-11311-08-8S Cylinder – bored 85.50mm and port cleaning
Wiseco 757M08550 85.50mm Piston Kit (2pcs)
780cc

UIM and IJSBA race legal – Fit all SuperJet 1996-2019 engines