Oversized flow-through purple anodized cylinder head
ABC construction (Aluminum piston with a Chromed Brass cylinder)
Rear exhaust
Ball bearing supported crankshaft
Slide Valve carburetor for greater response at the beginning and end of the power band. This works well for on-road and racing applications for fast take-offs and high speed.
Needle valve adjusted by a screwdriver
Pilot shaft

CLAIMED HP 2.5
RPM 38,000
CARB TYPE SLIDE
CRANK SG
CONSTRUCTION ABC
ENGINE SIZE .21
TYPE REAR EXHAUST