This is the Axial .28 Spec 1s Racing Engine ax001

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 construction (Aluminum Bronze and Chrome)

Composite bodied 8.5mm 3-needle Slide Valve Carburetor, factory reset
line on High-Speed Needle and flush needles make resetting to
factory specs easy

SG (pilot) crankshaft with long duration intake

Eight-port cylinder sleeve

High volume transfer port design

Removable button type combustion chamber

Roto-starter available optionally

INCLUDES:

Axial .28 Spec 1s Racing Engine with Green Cylinder Head with pull-
starter

One Instruction Sheet

One 8.5mm Restrictor

One 8.0mm Restrictor

SPECS:

Displacement: .28 cu in (4.6cc)

Maximum RPM: 36,000

Bore: 18.6mm

Stroke: 16.9mm

Weight: 455g (16.05oz)

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")