OS Motors .21XM VII 3.46cc Outboard Air Cooled Marine

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

****** Since of the competitors nature of this engine,******
******it is NOT covered by the O.S. 2 Year Service Warranty.******

FEATURES:
Designed expressly for little and medium size outboard boats
Installed aluminum tilt transom mounting plate
Preassembled outboard unit with versatile prop
Blue anodized aluminum heat sink head
42mm carbon fiber prop
20J carburetor

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

REQUIRES:
Shine Fuel: 10-30% nitromethane material, utilize 20% for burglary
Glow plug igniter, beginning belt and coast devices

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 PS, 1.28 HP @ 25,000RPM
Weight: 24oz (682g)
Carburetor Settings:
    Needle Valve; 2.5 turns from totally closed
    Mix Control Valve: Shoulder part exactly at a tangent to
the throttle rotor hole
Distance in between mounting hole centers same side: 0.98" (25mm)
Distance in between mounting hole centers opposite side: 1.5" (37.5mm)
Distance/outer mounting hole centers on guiding 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 install to driveshaft center: 1.3" (34.5mm)
Height of mounting plate: 1.8" (46mm)

COMMENTS:
This Engine BEGINS AND RUNS IN A CLOCKWISE INSTRUCTIONS at the starter
    cone. Any effort to start engine in a counter-clockwise rotation
    may trigger severe damage to the engine. Since of the clockwise
    rotation, the crankshaft has reverse threads.