The Blue Max Clone is a great all purpose engine.  It is completely ready to use right out of the box.   Perfect for anything from go karts to minibikes.

Specifications:
Engine: 6.5 HP OHV Model# GE65B
Starting System: Recoil
Single Cycle,4 Stroke
Idle Speed:1400 RPM(?150)
Spark Plug: F7RTC
Crankshaft: PTO 2 7/16 x 3/4 Diameter, tapped 5/16 UNF
No Load Speed: 3900 RPM
Fuel: 1 Gal of 86 Octane Or higher Unleaded
Cooling System: Forced Air
Operating Noise: 72db
EPA Approved
Bolt Pattern: 3 1/8 x 6 3/8"