This is the O. S. 12XZ ABC Engine with the 12F Slide Valve Carburetor.
Replaces the O. S. 12TZ(P) and .12TZ(P)-T5.
Designed for 1/10 scale touring and off-road use
Newly designed liner ports for increased torque at low to mid speed
ABC construction, "A"luminum piston with "B"rass liner that is
"C"hrome plated
New crankshaft has improved counter balance shape and more efficient
intake port
Medium heat range RP6 turbo glow plug
Two year limited warranty through manufacturer
O. S. 12XZ ABC Engine with 12F Slide Valve Carburetor, RP6 glow plug
exhaust gasket and instruction manual
Glow Fuel: Car blend with 10-30% nitromethane content
Air Filter and exhaust depending on vehicle
Glow starter and track equipment
Displacement: 0.128 cu in (2.10cc)
Bore: 0.543" (13.8mm)
Stroke: 0.551" (14.0mm)
Practical RPM: 5, 000 - 40, 000
Power Output: 1.65ps/34, 000 RPM
Weight: 8.32oz (236g)
Distance between mounting holes same side: 043" (11mm)
Distance between mounting holes opposite side: 1.2" (32mm)
Width below mounting flanges: 1" (25.4mm)
Width including mounting flanges: 1.5" (39mm)
Height bottom of crankcase to top of cylinder head: 3.5" (90.3mm)
Height bottom of mounting flanges to top cylinder head: 3" (76.6mm)
Length from front of crankcase to end of crankshaft: 1.2" (29.5mm)
Length center line of piston to front of crankcase: 1.4" (34.9mm)
Length center line of piston to end of crankshaft: 2.5" (64.4mm)
Length from backplate to end of crankshaft: 3.1" (79.5mm)
Crankshaft Threads: 1/4-28
jxs 7/09/09
ir/jxs
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