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

A fresh crankshaft featuring a counter-balancing shape and a far more efficient consumption slot.
The connecting rod consists of a fresh product, and crankcase is strengthened.
Improvements are also made to the liner ports, internal mind therefore the 12F slip valve carb.
A high-performance RP6 plug is included.

• Inventory Number: 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
• Output: 1.65 ps @ 34,000 rpm
• Motor body weight: 8.32 oz (236 g)
• Includes: RP6 plug, exhaust seal band, dirt caps