O.S FS91 II Surpass 4-Stroke engine for aircraft NIB
This is the FS-91II Surpass 4-Stroke Engine.
This engine does not use a choke valve OR use a return fuel line to the tank.
THERE ARE NO TOOLS OR EXTRA NEEDLE VALVE AS STATED IN THE INSTRUCTIONS.
FEATURES: New rear-mounted, updraft 60P Carb, Intake Manifold, and Coverplate.
Helix gear-driven camshaft supported by ball bearings.
Ringed piston.
Does Not use choke valve, but instead an electric starter to start.
Grease-packed twin-sealed corrosion-resistant rear ball bearing.
INCLUDES: One Assembled Engine w/Carburetor.
One type #F Glow Plug.
One Muffler w/Manifold.
One Set of Instructions and Decal.
(Wrenches, Choke Valve Extension, and Mounting Template Are No Longer Included per O.S.)
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 because it has 18% oil content.
When choosing fuels for this engine, the modeler must be sure to select a fuel with at least a 18% lubricant content.
Propeller (see SPECS)
Starting and Field Equipment
SPECS: Bore: 27.7mm (1.09")
Stroke: 24.8mm (.976")
Displacement: 14.95cc (0.912 cubic inch)
Power Output: 1.6 BHP at 11,000 RPM
Practical RPM Range: 2,000 - 12,000 RPM
Crankshaft Thread Size: 5/16-24
Weight-With Muffler: 24.2oz (686g)
Weight-Without Muffler: 22.6oz (641g)
*Ship by Hong Kong Post Office Registered Mail (Air Shipping)
*Will ship to worldwide, Item will be sent out within 5 days after payment received.
*Notification will be sent to buyers.
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Manufacturer: N/A
SKU: JT-1885
