O.S. Engines in Japan have just released some info of their updated outboard engine called MAX-21XM Ver.II. It looks like the water cooling head is gone in favor for a air-cooled one and there is an muffler extension added. The power numbers are unchanged though.
- Displacement: 3.46 cc (0.211 cu.in.)
- Bore: 16.60 mm (0.654 in.)
- Stroke: 16.0 mm (0.630 in.)
- Output: 1.3 ps/25.000 rpm
- Practical r.p.m. range: 3.000-25.000
- Weight: 682 g (24.0 oz.)
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