Saito Engines FG-21(1.26) 4-Stroke Gas Engine: BN

Tower Stock# SAIG1012  •  Manufacturer Stock# SAIEG21
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Notes from our tech department:


New valve seat design
New smaller magnetic ignition system fits into tighter cowls
21cc displacement in a 17cc case
Latest carburetor technology for easier tuning and operating
Three year limited warranty beginning at date of purchase


Saito FG21 cc 4-stroke Gasoline Engine with Spark Plug
Ignition and Instruction Manual


Oil: Red Line or Power Model synthetic oil at a mix ratio of
16:1 - 20:1
Ignition Battery: 6 - 8.4V at least 1000mAh
Benchmark Propeller: 16x6
Field equipment


Displacement: 1.25 cu in (20.52cc)
Bore: 1.26" (32mm)
Stroke: 1.02" (26mm)
Engine Weight: 24.1oz (0.69kg)
Ignition Weight: 4oz (113g)
Muffler Weight: 2.9oz (83g)
Total Weight: 31.2oz (0.89kg)
Cylinder Type: Ringed AAC
Crankshaft Threads: M8 x 1.25mm
Carburetor Type: Saito pump-type 2-needle
Prop Range: 15x8 - 16x8 2-blade, 14x9 - 15x7 3-blade
Practical Ground RPM Range: 2,000 - 9,500
Distance between Mounting Hole Centers Opposite Side: 2,04" (52mm)
Distance between Mounting Hole Centers Same Side: 0.98" (25mm)
Length from Crankcase Center to Collet: 3.0" (76mm)
Length from Backplate to Collet: 4.02" (102.2mm)
Length from Front Mounting Hole Center to Collet: 2.6" (64.5mm)
Length from Carburetor to Collet: 5.4" (138mm)
Width of Crankcase Below Mounting Tabs: 1.7" (43.2mm)
Width at Mounting Tabs: 2.4" (60mm)
Height Bottom of Mounting Tab to Pushrod Cover: 4.0" (102.5mm)
Height Bottom of Crankcase to Pushrod Cover: 5.3" (135.3mm)

jxs 10/03/18



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