Axial .28RR Spec 1S Engine replace .21 Motor AX0330

SquareTrade © AP6.0... This is the Axial .28 Spec 1s Racing Engine with Green Cylinder Head, Pull Starter and SG (pilot) Crankshaft. Direct bolt-in replacement engine for any .21+ engine mount, also accepts most aftermarket shaft drive starting systems. FEATURES: ABC cylinder and linerconstruction- "A"luminum piston, "B"rass cylinder...

SquareTrade © AP6.0

This is the Axial .28 Spec 1s Racing Engine
with Green Cylinder Head, Pull Starter and SG (pilot) Crankshaft.
Direct bolt-in replacement engine for any .21+ engine mount, also accepts
most aftermarket shaft drive starting systems.

FEATURES: ABC cylinder and linerconstruction- "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-starter 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 and Tuned Pipe: Depends on vehicle

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")

COMMENTS: Some notes on Slide Valve and Rotary Carburetors:
Rotary carbs offer a larger response in the middle of the power
band. This works well for off-road applications when throttle
response must be varied.
Slide Valve carbs provide 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.

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