12XZ ABC 12F Slide Engine O.S. Engine  [OSMG1993]

A new crankshaft featuring a counter-balancing kind and a far more efficient consumption slot.
The connecting pole is constructed from another product, along with the crankcase was in fact strengthened.
Improvements may made to the liner ports, interior mind apart from the 12F autumn valve carbohydrate.
A high-performance RP6 plug is roofed.

• Stock quantity: OSMG1993
• Displacement: 0.128 cu in (2.10 cc)
• Bore: 0.543 in (13.8 mm)
• Stroke: 0.551 in (14.0 mm)
• Practical rpm range: 5,000-40,000
• Production: 1.65 ps @ 34,000 rpm
• Engine weight: 8.32 oz (236 g)
• Includes: RP6 plug, exhaust seal musical business, dirt caps