OS Engines Speed 21XZ-B Spec III

[WoodiE]

O.S. has just released the Speed 21XZ-B Spec III, the successor to the tried and true O.S. Speed 21XZ-B spec.II. The new O.S. Speed 21XZ-B Spec III features a newly designed crankcase as well as piston and cylinder. The displacement of the Speed 21XZ-B Spec III is 3.49cc. In addition a 3-port exhaust allows for effective air flow after combustion.

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[olds97_lss]

It's encouraging to see development still being done and new products being made in the Nitro arena. Granted, I won't buy a non-pullstart engine, but still encouraging to see.