Box Stock Project Engine


6.5HP OHV (196cc) Engine


Black Original Box Stock Project 6.5HP OHV (196cc) complete engine. With only the highest quality hand-picked BSP parts to include the following:


  • (The true) JT-223 Cylinder head
  • Hardened heat treated crankshaft (guaranteed 2.127-2.133)
  • Rubber valve cover gasket
  • T6 Treated cast stock rod
  • BSP-4 camshaft
  • Light weight lifters (18-18.3 grams)
  • T6 Treated stock light weight piston with lightweight wrist pin
  • BSP block and side cover (bore 2.6786)
  • Highest quality P6 bearings
  • Black side cover gasket for a little extra give
  • Throttle return spring and pull rod (for your top plate kit)
  • Race ready Ruixing carb tuned and jetted (main .038″, low speed .022″)

 Black metal work, (Crank rope, large metal shroud, and valve cover).

Available options:

  • ARC Speedway Billet Aluminum Flywheel (6689) – ADD $130.00 
  • ARC Billet Aluminum Flywheel (6619) – ADD $130.00
  • EV6 camshaft – ADD $60.00
  • BSP Die Cast Aluminum Flywheel (BALCO Spin tested to 10,000 RPM’s)             ADD – $45.00
  • (Does not include: Flywheel, Top Plate, Air Filter Adapter, Chain Guard, Fuel Pump, or Air Filter.)