The XS1200 engine is breaking all the power barriers for pro riders who demand the best. This engine uses an 84mm billet crankshaft designed, built and balanced specifically for the XS1200 (Stroke 84mm x Bore 94.5mm/95mm). The engine features modified Yamaha 66E cases with a custom stator plate allowing the use of a Yamaha 701 / 62T style MSD Total Loss ignition system. No exhaust adapter is required for 701/760 style exhaust systems. The short block is available with custom bedplates and a billet front cover. 


Please note: Shipping is not included, please contact us for a shipping quote

  • XS1200 Short Block Features:

  • True 1200cc displacement 

  • No exhaust adapter required for 701/760 style exhaust system 

  • XScream Freestyle Cylinder Porting 

  • CNC Port matched 66E cases 

  • 62T style stator adapter for MSD Total Loss Ignition 

  • XS Custom Flat Top 94.5mm / 95mm Wiseco Pistons 

  • 84mm Billet Crankshaft designed, built and balanced specifically for the XS1200 

  • XScream Custom Sleeves (94.5 to 95mm) 

  • Custom Billet Bedplates Available 

  • Custom Billet Front Cover Available  

    XS1200 Piston Options: 94.5 and 95mm Wiseco Flat Top Pistons

    • 94.5mm bore = 1178cc 

    • 95mm bore = 1190cc 

Xs1200 Short Block