Saito FA40A 4 Stroke Engine (SAIE040A)
$335.99
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Saito FA40A 4 Stroke Engine (SAIE040A)
$335.99
4-Stroke Power
Delivers smooth reliable airplane power
Compact Case
Packs power in small footprint
Saito Quality
Backed by three year warranty
Precision 4-Stroke Aviation PowerCompact displacement for RC aircraft
The Saito FA-40A 4 Stroke Engine delivers exceptional performance and realistic exhaust notes for your favorite RC airplane scale model. Designed with a remarkably compact case comparable to a .30-size engine, this glow engine packs an impressive .40 displacement punch without adding unnecessary bulk. Modelers will appreciate the signature Saito craftsmanship and dependable power required for smooth scale flight.
Engineered For Peak FlightUnmatched craftsmanship for scale RC planes
For RC pilots seeking premium 4-stroke engine performance and authentic sound, the Saito FA-40A 4 Stroke Engine stands out as a top-tier choice. Featuring durable AAC cylinder construction with a chrome-plated finish, a dual ball-bearing supported crankshaft, and a twin-needle barrel carburetor, this engine ensures precise throttle response across its entire 2,000–12,000 RPM operating range. Whether upgrading a sport plane or powering a scale aircraft, the Saito FA-40A offers an outstanding power-to-weight ratio backed by Saito's 3-year limited warranty.
Engine SpecificationsComplete technical parameters and measurements
Engine Type
4-Stroke Glow Engine
Displacement
.40 cu in (6.60 cc) (gauge)
Horsepower
0.65 HP
Total Weight
10.64 oz
Engine Weight
10.24 oz
Muffler Weight
0.40 oz
Bore
0.86 in (22.0 mm) (ruler)
Stroke
0.68 in (17.40 mm) (ruler)
RPM Range
2,000 - 12,000 RPM
Benchmark Propeller
11x5 APC @ 10,600 RPM
Propeller Range
10x7 - 11x6
Fuel Type
10%-30% Synthetic Glow Fuel
Crankshaft Threads
1/4 x 28
Cylinder Type
AAC Chrome Plated
Carburetor
Barrel 2-Needle Valve
Crankcase Type
Dual Ball Bearing
Mounting Dimensions
88 x 45 x 93 mm
Muffler Type
2-Piece
Key Technical HighlightsAdvanced features for model aircraft
Compact PowerhouseDelivers .40 size power within a lightweight .30 size crankcase footprint
AAC ConstructionChrome-plated aluminum cylinder ensures long life and light weight
Dual-Needle CarburetorAllows fine-tuned adjustment for smooth idling and top-end throttle response
Ball Bearing CrankshaftProvides smooth high-RPM operation and reduced rotational friction
Lightweight MufflerIncludes a 2-piece muffler for flexible mounting options
Versatile Prop OptionsOptimized for prop sizes ranging from 10x7 to 11x6
Warranty ProtectionBacked by Saito's renowned 3-year limited warranty
Frequently Asked QuestionsEverything you need to know
What fuel is recommended for the Saito FA-40A 4 Stroke Engine?
The Saito FA-40A 4 Stroke Engine performs best using model airplane glow fuel containing 10% to 30% nitro content with synthetic oil lubrication.
What propeller size should I use with the Saito FA-40A 4 Stroke Engine?
The recommended prop range for the Saito FA-40A 4 Stroke Engine is 10x7 to 11x6, with an 11x5 APC prop recommended as a benchmark.
Does the Saito FA-40A 4 Stroke Engine come with a muffler?
Yes, the Saito FA-40A 4 Stroke Engine includes a lightweight 2-piece muffler weighing only 0.40 oz.
What is the power output of the Saito FA-40A 4 Stroke Engine?
The Saito FA-40A 4 Stroke Engine outputs approximately 0.65 HP with an operating RPM range between 2,000 and 12,000 RPM.
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