Features:

Redesigned head button for better performance and improved acceleration

Updated cylinder liner and piston improve mid speed torque and fuel mileage

The slide valve's shape allows for a smoother flow of fuel and air

Specifications:

Displacement: 0.128 cu in (2.1cc)

Bore: 0.543in (13.8mm)

Stroke: 0.55in (14.0mm)

Practical RPM Range: 5,000-44,000

Output: 1.73hp @ 35,000 RPM

Weight: 7.9oz (225g)

Includes:

12XZ Speed Spec III Engine

12F2(B) carburetor

RP6 glow plug

Exhaust seal ring

Dust cap set

5.5mm red carburetor reducer (venturi)