This is the Axial .28RR Spec 1s Racing Engine with Green Cylinder Head, Pull Starter and SG (pilot) Crankshaft. ax0330

Direct bolt-in replacement engine for any .21+ engine mount, also accepts most aftermarket shaft drive starting systems.

FEATURES:

ABC cylinder and liner construction-"A"luminum piston,"B"rass cylinder liner that is "C"hrome plated

Composite bodied 9.0mm 3-needle Slide Valve Carburetor, factory reset line on High-Speed Needle and flush needles make resetting to factory specs easy, also includes 8.0 and 8.5mm venturis SG (pilot)

crankshaft with long duration intake Seven-port cylinder sleeve High volume transfer port design Dual

bushing aluminum connecting rod Roto-start backplate available optionally

INCLUDES: Axial .28RR Spec 1s Racing Engine with Green Cylinder Head with pull starter, 8.5 and 8.0mm venturis, Instruction Sheet

REQUIRES:

Glow Plug: Cold heat range Fuel: 20-30% Nitro with at least 18% Oil Content Manifold

SPECS:

Displacement: .28 cu in (2.09cc)

Maximum RPM: 38,500

Bore: 18.25mm

Stroke: 17.5mm

Distance Between Mounting Holes Same Side: 20.30mm (0.799") Distance Between Mounting Holes Opposite Side: 37.03mm (1.45")

Height Bottom of Mounting Tabs/Top of Cylinder Head: 97.27mm (3.83") Width of Mounting Tabs: 44.92mm (1.76")

Distance from Pull Starter to Front Bearing: 83.22mm (3.276")

Distance from Center of Engine to Front Bearing: 41.61mm (1.63")

Distance from Center of Engine to Pull Starter: 41.61mm (1.63")