Ofna .28T Factory Team w/Turbo Plug

Black anodized .28 cu in size crankcase fits nearly every vehicle that uses a .21 size engine
ABC construction (Aluminum piston with a Chromed Brass cylinder)
Round Rear exhaust
Ball bearing supported heavy duty 14mm crankshaft
Slide valve two needle 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.
8mm venturi insert included, giving a good balance between power and fuel economy
SG (pilot) shaft
Blue anodized aluminum head
9 port sleeve

SPECS:
Displacement: .28 cubic inches (4.66cc)
Bore: 18.35mm
Stroke: 17.60mm
HP: 2.9
Weight: 11.78oz (330g)
Length: 80mm (3.14") front of front bearing to back of pull start
Width: 31mm (1.21") width neglecting the mounting flanges
21mm (0.83') width between mounting holes same side
36.5mm (1.4") width between mounting holes opposite side
31mm (1.2") crankcase width
Height: 109mm (4.3") from bottom of crankcase to top of cylinder head (contact Ofna for more technical information).
Needle settings: low:10.5-11.5 turns out / high: 3-3.5 turns out