o-s-21xm-vii-3-46cc-outboard-air-cooled-marine-13941-35.jpg

O.S. .21XM VII 3.46cc Outboard Air Cooled Marine 13941

Regular price $799.98 Sale price $539.99
32% OFF

ITEM# 13941

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Description

O.S. .21XM VII 3.46cc Outboard Air Cooled Marine 13941

This is the O.S. 21XM Version II Air Cooled Outboard Marine Engine.

****** Because of the competition nature of this engine,******

******it is NOT covered by the O.S. 2 Year Warranty.******

Features

  • O.S. .21XM VII 3.46cc Outboard Air Cooled Marine 13941

  • Designed expressly for small and medium size outboard boats

  • Installed aluminum tilt transom mounting plate

  • Preassembled outboard unit with flexible propeller

  • Blue anodized aluminum heat sink head

  • 42mm carbon fiber propeller

  • 20J carburetor

Specifications

  • Displacement: .21 cu in (3.5cc)

  • Bore: 0.654" (16.6mm)

  • Stroke: 0.630" (16mm)

  • Practical RPM: 3,000 - 25,000

  • Power Output: 1.3 hp (25,000RPM)

  • Weight: 24oz (682g)

  • Carburetor Settings:

  •   Needle Valve; 2.5 turns from fully closed

  •   Mixture Control Valve: Shoulder portion exactly at a tangent to the throttle rotor hole

  • Distance between mounting hole centers same side: 0.98" (25mm)

  • Distance between mounting hole centers opposite side: 1.5" (37.5mm)

  • Distance/outer mounting hole centers on steering arm: 2.5" (64mm)

  • Width of muffler: 1.8" (46mm)

  • Distance from flywheel to skeg: 8.6" (219mm)

  • Distance from mounting plate bottom to skeg: 3.4" (86mm)

  • Distance from mounting plate top to flywheel: 3.5" (87mm)

  • Distance from mounting plate to end of cavitation plate: 7.2" (183mm)

  • Distance from mounting plate to prop attachment point: 5.9" (149.5mm)

  • Distance from bottom of mount to driveshaft center: 1.3" (34.5mm)

  • Height of mounting plate: 1.8" (46mm)

Contents

  • O.S. 21XM Version II Outboard Marine Engine, Muffler, Mounting Plate, #8 Glow Plug, Propeller, Outboard Unit, Steering Arm and Instructions

Requirements

  • Glow Fuel: 10-30% nitromethane content, use 20% for break-in

  • Glow plug igniter, starting belt and shore equipment

Comments

  • This Engine STARTS AND RUNS IN A CLOCKWISE DIRECTION at the starter cone. Any attempt to start engine in a counter-clockwise rotation may cause serious damage to the engine. Because of the clockwise rotation, the crankshaft has reverse threads.

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