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OSMG1720, 21XM VII .21 Air Cooled Outboard Marine Engine Fashion
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OSMG1720, 21XM VII .21 Air Cooled Outboard Marine Engine
Engineered to take down the competition!
Take down the competition with the 21XM Version II Outboard Marine engine from O.S.! It retains many of the features found on the successful 21XM, including the 20J carburetor and #8 glow plug. New additions include efficient air cooling, a larger muffler and more!
- Designed expressly for small and medium-size outboard boats.
- Cooling the head with air is more reliable than water cooling, and prevents overcooling.
- The larger muffler boosts engine power for greater speeds.
- Retains many of the features of the highly successful 21XM.
- 20J carburetor.
- Installed aluminum tilt transom mounting plate.
- Assembled outboard unit with flexible propeller.
- Blue anodized aluminum heat sink head.
- 1.7 in. (42 mm) carbon fiber propeller.
- #8 glow plug.
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Cooling the cylinder head with air is more reliable than water cooling, and prevents overcooling. It also adds the benefits of simpler construction and less maintenance.While being larger than the muffler used with the .21XM, the VII s muffler is still just as easy to tune, still detachable for easier maintenance, and more responsive than a tuned pipe.
Product Specifications
Manufacturer # 13941 Benchmark Prop 42mm carbon fiber propeller included Bore 0.654 in (16.6 mm) Crankshaft Threads Reverse Crankshaft Type Threaded This product was added to our catalog on December 16, 2021
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OSMG1720, 21XM VII .21 Air Cooled Outboard Marine Engine Fashion$198Select optionsOSMG1720, 21XM VII .21 Air Cooled Outboard Marine Engine Fashion$198Select options
