5-ROTAX MAX CYLINDER HEAD COMBUSTION CHAMBER INSERT OTK Brake Pads OEM New piston

New piston

W2010/1  ROK Vortex Rok GP Counter Balancer Shaft

16 thur 19 tooth counter shaft Yamaha YZ250 1977 to 1998 428 chain

and an anodized black finish

Output Shaft Seal / Both Water Pump Seals / Shift Shaft Seal / Complete piston kit  / Clutch Lock Tab

5-ROTAX MAX CYLINDER HEAD COMBUSTION CHAMBER INSERT OTK Brake Pads OEM New pistonROTAX MAX COMBUSTION CHAMBER INSERT 223386 The ROTAX MAX Combustion Chamber Insert (part #223386) is a precision engineered component designed to optimize engine performance and durability. This OEM part ensures proper combustion chamber geometry, enhancing fuel efficiency and power output while maintaining reliability in competitive and recreational karting applications. Direct replacement for original equipment specifications.