Name 2Fast Cylinder Head Combustion Chamber (unmachined) d=52mm Yamaha Aerox / MBK Nitro Item No. TFAST028-ET05 Brand 2Fast Homologation Yes Stroke Original Conrod Length Standard Engine Type 2-stroke Cooling Type LC Bore 52 mm
Unmachined combustion chamber for 2Fast cylinders 94cc and 100cc (Yamaha Aerox / MBK Nitro), diameter is 52mm. Replaces original combustion chamber.
The centre is not finished / machined, you'll have to do the final machining yourself. This way you can think outside of the box and do your own cylinder head design.