Saito Engines FA-40A 4 Stroke Engine

Tower Stock# SAIG1000  •  Manufacturer Stock# SAIE040A
Saito Engines FA-40A 4 Stroke Engine (large view)
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Notes from our tech department:


Nearly the same case size as a .30 cu in engine, but with more power
Smaller case design for lighter weight
Two-piece polished aluminum muffler
Three year limited warranty beginning at date of purchase


Saito FA-40A 4-stroke Engine with Muffler, Glow Plug and Instruction


Fuel: 4-stroke blend with 20% synthetic-castor oil & 10-15% nitro
Benchmark Propeller: 11x5
Glow starter, glow plug wrench and field equipment


Displacement: .40 cu in (6.5cc)
Bore: 0.86" (22mm)
Stroke: 0.68" (17.4mm)
Horsepower: 0.65
Practical RPM: 2,200 - 12,000
Muffler Weight: 0.40oz (11.3g)
Total Weight: 10.64oz (302g)
Cylinder Type: AAC
Crankshaft Type: Ball bearing
Crankshaft Thread Size: 1/4-28
Carburetor Type: Rotary, two needle valves
Prop Range: 10x7, 11x6
Distance between Mounting Hole Centers Opposite Side: 1.5" (38mm)
Distance between Mounting Hole Centers Same Side: 0.59" (15mm)
Width at Mounting Tabs: 1.8" (45mm)
Length from Crankcase Center to Front Bearing: 2.1" (53mm)
Length from Backplate to Front Bearing: 2.9" (73mm)
Length from Front Mounting Hole Center to Front Bearing: 1.8" (46mm)
Length from Carburetor to Front Bearing: 3.5" (88mm)
Width of Crankcase Below Mounting Tabs: 1.2" (31mm)
Height Bottom of Mounting Tab to Pushrod Cover: 3.0" (76mm)
Height Bottom of Crankcase to Pushrod Cover: 3.7" (93mm)

jxs 09/27/18



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