O.S. 21VG(P) ABL Sport w/21F Carb

Tower Stock# LXXKX8  •  Manufacturer Stock# 13644
O.S. 21VG(P) ABL Sport w/21F Carb (large view)
Notes from our tech department:
This is the O.S. Max .21 VG-P Pilot Shaft Sport Engine with new 21F Carburetor.
Developed for 1/8 scale Car, Truggy and Truck Use.
ROAR Legal.

FEATURES

1/4-28 pilot (SG) crankshaft for Centax type clutch
Advanced Bi-Metallic Liner. This process uses a double layer of
plating material rather than one thick layer. This helps the metal
to bond to the cylinder and is more durable. Also, the plating
process is more consistent, resulting in a more precise fit between
piston and sleeve for better compression, longer life.
Two-needle 21F Slide Valve Carburetor
One-piece 8-fin Tornado cylinder head uses standard glow plug
Rear exhaust
Two year limited warranty

INCLUDES

O.S. Max .21 VG-P Pilot Shaft Sport Engine with 21F Slide Valve
Carburetor, exhaust seal ring, #8 glow plug and instruction manual

REQUIREMENTS

Fuel: Nitro car blend with 10-30% nitro content and at least
16% lubricant
Glow starter and track equipment

SPECIFICATIONS

Displacement: 0.211 cu in (3.46cc)
Bore: 0.654" (16.6mm)
Stroke: 0.63" (16.0mm)
Practical RPM: 3,000 - 36,000 RPM
Power Output: 2.0 PS, 1.97 HP/ 30,000 RPM
Weight: 12.24oz (347g)
Distance Between Mounting Holes Same Side: 0.83" (21mm)
Distance Between Mounting Holes Opposite Side: 1.4" (37mm)
Height Bottom of Mounting Tabs/Top of Cylinder Head: 3.4" (87.4mm)
Width of Mounting Tabs: 1.8" (45mm)
Distance from Backplate to Front Bearing: 2.6" (65.6mm)
Distance from Center of Engine to Front Bearing: 1.7" (44mm)
Distance from Center of Engine to Backplate: 0.85" (21.6mm)

Needle Settings: High Speed: 3 turns out from fully closed
Metering needle (low speed): flush with ball link
body
Throttle Stop Screw: 1/2 turn out from fully closed

jxs 6/30/09
ir/jxs

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