O.S. 18CVR-MX Marine w/Pull Start OSMG1611
ITEM# 11895
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Description
O.S. 18CVR-MX Marine w/Pull Start OSMG1611
Ideal upgrade from .15 cu in (2.4cc) engines used in Ready-To-Run boat models.
Features
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O.S. 18CVR-MX Marine w/Pull Start OSMG1611
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Recoil Starter
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Rotary type carburetor (11J OSMG3817) with 6.5mm bore
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Water cooled
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Side exhaust
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Delivers 11% more power than a .15 size engine and has the same mounting dimensions
Specifications
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Displacement: 0.18 cu in (3.0cc)
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Bore: 0.63" (16.0mm)
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Stroke: 0.59" (15mm)
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Practical RPM Range: 3000-32,000
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Power Output: 1.35 hp @ 28,000 RPM
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Weight: 8.21oz (232.6g)
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Distance between mounting holes same side: 0.43" (11mm)
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Distance between mounting holes opposite side: 1.2" (31.4mm)
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Width of crankcase not including mounting flanges: 1" (25.6mm)
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Width including mounting flanges: 1.5" (39mm)
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Width including rear adapter (back plate): 1.6" (40mm)
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Height bottom of crankcase to top of cylinder head: 2.6" (66mm)
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Height bottom of mounting flanges/top of cylinder head: 2" (50.5mm)
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Length from backplate to end of crankshaft: 2.7" (68mm)
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Length from rear of recoil to end of crankshaft: 3.4" (87.8mm)
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Length from cylinder centerline to front of drive washer: 1.6" (41mm)
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Length form rear of recoil to front of drive washer: 2.9" (74.8mm)
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Exhuast port mounting hole centers: 1.1" (27.5mm)
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Distance from crankshaft centerline to top of head: 2" (50.5mm)
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Distance/crankshaft centerline to exhaust centerline: 0.98" (25mm)
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Crankshaft Threads: 5mmx0.8 pitch
Package Contents
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O.S. 18CVR-MX Marine w/Pull Start OSMG1611
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with Pull-Starter
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#8 Glow Plug
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Carburetor
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instruction manual
Requirements
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Fuel: O.S. suggests 10 to 30% nitro. However, they suggest starting with 20% nitro and changing to a higher or lower nitro content if required. Fuel should also contain 18% lubricant.
Comments
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O.S. does not recommend running this engine in any salt water environment. Under such conditions, it is difficult to prevent the engine from becoming corroded and eventually inoperable.
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OS suggests using a 36-40mm diameter prop with 1.2-1.6 pitch.
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NEEDLE SETTINGS: High Speed Needle: 2 turns OUT from closed position per page 17 of manual. Low Speed Needle (aka: Mixture Control Valve): Rotate the screw until the head is flush with the carb body. Then turn the screw IN exactly 1/2 turn per page 23 of manual.
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