Trail Bikes 51mm Stroker Crank for CRF50 70 Hot on Sale

Convert your 88cc motor into a 108cc stroked animal with the 51mm Stroker Kit from Trail Bikes. This is an affordable kit that will convert your TB 88cc Race Head kit into a powerful open class 108cc engine (much more powerful than the common Chinese 107 and 125cc engines). Also – this crank was made specifically for the newer engines and thus – you will not have any fitment issues like trimming the piston skirts in order to clear the crank or the piston not lining up with the cylinder deck.

• 51mm Crankshaft with NTN bearings
• Crankcase and clutch cover gaskets
• Head gasket kit

• Exceeds OEM Standard equipment

   Fitment:

  • Honda Z50 – 1988-1999
  • Honda XR50 – All Years
  • Honda CRF50 – All Years
  • CRF70 – All years