Saito Engines FG-90R3 90cc 3-Cylinder Gasoline Rad

Tower Stock# SAIG1018  •  Manufacturer Stock# SAIEG90R3
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Notes from our tech department:

FEATURES

Designed specifically for 90cc class gasoline powered scale
aircraft
Increased displacement version of the Saito FG-84R3D engine
Engine heat sink for improved cooling
Updated intake design
2S LiPo-compatible electronic ignition

INCLUDES

Saito FG-90R3 90cc 3-Cylinder Gasoline Powered Radial Engine with
Electronic Ignition, Exhaust System, Engine Mount, Tools, three
CM-6 Spark Plugs and Instruction Manual

REQUIREMENTS

2-Stroke Oil: Red Line or Power Model synthetic oil recommended at a
mix ratio of 16:1 - 20:1, 15:1 for break-in
Propeller: 24x10 - 25x12
Ignition Battery: 6-12V at least 1000mAh, 2-3S LiPo recommended

SPECIFICATIONS

Bore: 1.5" (37.2mm) x 3
Stroke: 1.2" (27.6mm) x 3
Displacement: 6 cu in (90cc)
Oil Mix Ratio: 16:1 - 20:1
Crankshaft Type: Threaded
Cylinder Type: Ringed piston
Cylinders: Radial, 3
RPM Range: 1,300 - 7,000RPM
Engine Weight: 7.0lbs (3161g)
Ignition Weight: 8.8oz (250g)
Muffler Weight: 5.5oz (157g)
Total Weight: 7.9lbs (3568g)
Carburetor Air Horn to Collet: 8.7" (222mm)
Crankcase Center to Collet: 3.9" (100mm)
Crankcase Center to Center of Throttle Arm: 3.4" (86mm)
Crankcase Center to Mount: 2.7" (70mm)
Mount to Center of Throttle Arm: 0.63" (16mm)
Center of Throttle Arm to Carb Air Horn: 1.4" (36mm)

jxs 09/25/18
ir/jxs

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