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O.S. Speed T1203 Touring
O.S. Speed T1203 Touring

O.S. Speed T1203 Touring

Your Price:$359.00
Retail Price:$479.99
You Save:$120.99(25%)
Out of Stock.
Part Number:1BS00

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Hand-matched cylinder liner and piston for improved fit and seal
12F slide valve carburetor with shorter restrictor for quicker
bottom to top throttle response
More powerful low to middle range torque
Low CG cooling head is even lower than the T1201
Rear ceramic ball bearings for reduced resistance
Thicker cylinder flange transfers heat effectively to the cooling
Silicone filled tungsten weighted crankshaft


Speed Tuned T1202 Touring Car Engine with 12F Carburetor, RP6 Turbo
Glow Plug, 5.5mm Carb Reducer, Instruction Manual, Dust Cap Set,
Exhaust Seal Ring


Glow Fuel: Car blend with 20% nitro content
Exhaust system
Track equipment


Displacement: 0.128 cu in (2.1cc)
Bore: 0.538" (13.67mm)
Stroke: 0.56" (14.3mm)
Practical RPM: 5,000-45,000
Output: 1.75ps/1.73hp @ 35,000RPM
Weight: 7.58oz (215g)
Crankshaft: UNF 1/4-28
Distance Between Mounting Hole Centers Same Side: 0.43" (11mm)
Distance Between Mounting Holes Opposite Side: 1.2" (31.4mm)
Height Bottom of Mounting Tabs/Top of Cylinder Head: 2.6" (65.9mm)
Width at Mounting Tabs: 1.5" (39mm)
Distance from Backplate to Front Bearing: 2.1" (52.6mm)
Distance from Center of Crankshaft to Front Bearing: 1.4" (34.9mm)
Distance from end of Crankshaft to Backplate: 3.2" (82.1mm)
Crankshaft Size: UNF1/4-28
Crankshaft Length: 1.2" (29.5mm) outside of engine
Carburetor Settings: NOTE carburetor is preset at factory and
requires only very small adjustments
Metering Needle, Flush with slide valve body
Throttle Stop Screw, Approximately 0.5mm visible from carb opening
Needle Valve, Approximately 2-1/2 turns open from fully closed
if engine stalls when warm, close needle valve in 15° increments
until engine runs smoothly

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Engine Pre Broken in Service
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