O.S. Engines Pump Ring 70N Carb OSM35540

$554.99
$799.99
(You save $245.00 )
OSM35540
O.S. Engines
UPC:
4531028017146
MPN:
OSM35540
Status:
In Stock
Availability:
USUALLY SHIPS WITHIN 24 HOURS
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Specifications

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Specifications

Engine Size:
4 Stroke Engines
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Description

O.S. Surpass series of 4-stroke model engines have specially developed PD-07 pump. New 70N carb. Ball bearing-supported camshaft and crankshaft. New F-5020 silencer. Two year warranty. This product includes one assembled engine w/carburetor and #F glow plug. One muffler w/manifold. One set of instructions, O.S. poster, and decal. (Mounting Template Is No Longer Included per O.S.). One additional coarse needle for less sensitive carb adjustment.

Requires: Fuel: 5%-15% nitromethane with 18% lubricant. Synthetic, castor, or a synthetic/castor blend may be used.

Note: Certain four-cycle fuels cannot be used due to low oil content. However, SOME four-cycle fuels such as the Wildcat 4-Cycle 15% may be used.

Specs:

Bore: 30.4mm (1.20")
Stroke: 27.5mm (1.08")
Power Output: 2.1 PS, 2.07 HP at 12,000 RPM
Practical RPM Range: 2,000 - 12,000 RPM
Weight-Without Muffler: 32.5oz (921g)
Weight-With Muffler: 35.3oz (1000g)
Crankshaft Thread Size: 5/16-24
Valve Clearance: Between .04mm and .1mm (or between .0015" and .004", measured between the valve tip and rocker arm)
Length: 102mm (4.09") from backplate to the front of the drive washer
Width: 47mm (1.85") width of engine neglecting the mounting flanges
Width: 58mm (2.28") distance between the mounting hole centers
Height: 139.5mm (5.49")
Suggested Prop(s): 14x9, 14x10, 14x11, 15x8, 15x9, 15x10, 16x6,
Construction: Aluminum and Aluminum alloys

Needle Settings
High Speed: 1.5 turns out from fully closed
Low Speed:  2.5 turns out from fully closed with the throttle fully closed

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