O.S. Speed B2103 Type S Competition 1/8 Buggy

Tower Stock# OSMG1009  •  Manufacturer Stock# OSMG2067
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Notes from our tech department:
Differences Between Type R and Type S Configurations;

Type R:
5-plus-3 port Liner for Medium
to High Speed Tracks
22E Carb Emphasizes High Power
Standard Round Cylinder Head

Type S:
3-plus-1 port Liner for Increased
Torque in Low to Mid RPM Range
22D Carb Emphasizes Quick Response
and Smooth Acceleration
Low Profile Cylinder Head for
Lower Center of Gravity

FEATURES

Type-S 3-plus-1 port cylinder liner and long stroke design offers
increased torque in the low to mid RPM range while being easy on
fuel consumption
Low profile cooling head for lower center of gravity
Inner head cushioned by silicone O-ring to reduce vibration and
prevent dust entry
DLC (Diamond Like Coating) crankshaft with Tungsten weights, and
filled with silicone
22D slide valve carburetor emphasizes quick response and smooth
acceleration, ball link throttle design allows position of fixing
screw to be changed for easy access
Rear ceramic bearing

INCLUDES

O.S. Speed Type-S B2103 2-Stroke 1/8 Scale .21 Buggy Engine
22D Slide Valve Carburetor
P3 Turbo Ultra Hot Glow Plug
Instruction Manual

REQUIREMENTS

Fuel: 2-stroke 10 -30% nitro content, 20% recommended for break-in
Exhaust System such as the O.S. Engines T2100 Tuned Pipe and M2004SC
Exhaust Manifold
Air filter, glow starter and track equipment

SPECIFICATIONS

Displacement: 0.213 cu (3.49 cc)
Bore: 0.64" (16.27mm)
Stroke: 0.66" (16.80mm)
Practical RPM: 4,000 - 42,000
Power Output: 2.68PS, 2.64HP @34,000 RPM
Weight: 12.24 oz (347 g)
Crankshaft Size: UNF1/4-28
Distance/Mounting Hole Centers Same Side: 0.83" (21mm)
Distance/Mounting Hole Centers Opposite Side: 1.45" (37mm)
Width of Crankcase below Mounting Tabs: 1.2" (31.6mm)
Width of Mounting Tabs: 1.8" (45mm)
Height/Mounting Tab to top of Cylinder Head: 2.7" (68.1mm)
Height/Mounting Tab to center of Exhaust Outlet: 1.1" (28mm)
Height Crankcase Bottom to top of Cylinder Head: 3.3" (83.8mm)
Length of Crankshaft end to Front Bearing: 1.2" (29.5mm)
Length of Crankshaft end to Backplate: 3.7" (94mm)
Length of Crankshaft end to Center of Crankcase: 2.9" (73.5mm)

jxs 07/12/19
ir/jxs

Resources

References

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