O. S. Engine Adds Two New Engines To Its Marine Lineup

O. S. Engine Adds Two New Engines To Its Marine Lineup

With the introduction of the O.S. .21XZ-M 3.5cc Inboard Marine Engine and the O.S. .21XM V.II Air-Cooled Outboard Marine Engine, O. S. continues its legacy of marine racing dominance – engineered to take down the competition!

.21XZ-M 3.5cc Inboard Marine Engine

  • Based on the race-proven 21XZ-R on-road powerhouse and adapted for marine racing with a water-cooled cylinder head
  • Silicone-filled crankshaft for optimized intake; two tungsten weights improve overall balance
  • Excellent mid-range torque and power with better fuel economy
  • RP7 turbo plug is included

.21 XM VII Air-Cooled Outboard Marine Engine

  • Designed to maximize cooling and performance
  • Larger muffler designed to boost engine power for greater speeds
  • Retains many features of the highly successful .21XM
  • #8 glow plug and carbon prop are included

OSMG1621 .21XZ-M 3.5cc Inboard Marine Engine $429.99
OSMG1720 .21XM VII Air-Cooled Outboard Marine Engine $449.99

Both O. S. Marine Engines are available now.
RC Car Action - RC Cars & Trucks | O. S. Engine Adds Two New Engines To Its Marine Lineup

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Updated: July 1, 2011 — 9:45 AM
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