O.S SPEED T1201 W/12F3(B)
This is the O.S. Speed Tuned T1201 Touring Car Engine from O.S. Engines.
****** Because of the expressed racing nature of this engine, ******
****** it is NOT covered by the O.S. 2 Year Warranty ******
**Additional Technical Info Will Be Added When It Becomes Available.**
Hand-matched cylinder liner and piston for improved fit and seal
12F3 silde valve carburetor
Newly designed light weight cylinder head with machined cooling holes
and low center of gravity
Rear ceramic ball bearings for reduced resistance
New crankcase design provides efficient fuel flow from intake to
exhaust
Silicone filled crankshaft with DLC (diamond like coating) with
balanced tungsten weights and optimal intake timing
Speed Tuned T1201 Touring Car Engine with 12F3 Carburetor, RP6 Turbo
Glow Plug, 5.5mm Carb Reducer, Instruction Manual, Dust Cap Set,
Exhaust Seal Ring
Glow Fuel
Exhaust system
Track equipment
Displacement: 1.28 cu in (2.1cc)
Bore: 0.54" (13.67mm)
Stroke: 0.56" (14.3mm)
Practical RPM: 5,000-45,000
Output: 1.72hp @ 35,000RPM
Weight: 7.86oz (223g)
Distance Between Mounting Hole Centers Same Side:
Distance Between Mounting Holes Opposite Side:
Height Bottom of Mounting Tabs/Top of Cylinder Head:
Width of Mounting Tabs:
Distance from Backplate to Front Bearing:
Distance from Center of Crankshaft to Front Bearing:
Distance from Center of Crankshaft to Backplate:
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