SAITO FA-72B/72BGK
4-Stroke Single Engine Operating instructions
We would like to express our sincere thanks for
your purchase of the SAITO FA-72B/72BGK
engine, which is manufactured by SAITO
SEISAKUSHO CO., LTD. Please read our instruc-
tions carefully and treat your engine with care.
Should there be a manufacturing defect, SAITO
SEISAKUSHO CO., LTD. will make necessary
repairs at free of charge. You will notice a letter
(A,A,C etc.) stamped on the top of the right mount-
ing lug. This identifies the production version of
your engine. If you ever need to order a part or
have a question about your engine, specify this
letter along with the part number you need so we
can better handle your request.
Unique features of SAITO FA-72B/72BGK engines include:
●
Cylinder
-By the monolithic structure of cylinder head and cylinder with direct hard
chrome plated inner surface without using cylinder liner, this engine empha-
sizes durability while it also offers lightweight and distortion-free structure
with improved cooling efficiency.
●Piston
-High silicon content aluminum is used in the piston construction. It also has
a compression ring that increases the engine’s efficiency.
●
Crankshaft
-Made of solid chrome molybdenum steel, and supported by two ball bearings.
●Combustion chamber -Increased combustion efficiency with improved hemispherical shape.
●Exhaust sound
-Real-plane-like exciting exhaust sound.
●Weight
-Lightest level in the class.
●Mounting dimensions -As mounting dimensions is the same with those of FA-50,56.
This engine is designed and manufactured based on high efficiency and durability of the first AAC
method in the world. AAC: Aluminum Piston, Aluminum Cylinder, Hardchrome Plated.
SAITO FA-72B/72BGK engines have been designed placting emphasis on the lightweight and
compact.
Specifications
Bore
Ø
27.0mm
Body:
470g (Approx. 520g w/muffer)
Stroke
20.6
mm
11.79cc
Disp.
Weight
Practical speed
Approx.
2,000-12,000rpm
12”x8” - 14”x6”
Max on Gnd
Approx. 9,000-11,000rpm
4-stroke 70 or 2-stroke 40~60 class
Propeller
Applications
Fuel
Fuel consumption
Standard
accessories
Spanner for tappet adjusting lock nut
1pc
Limit gauge (0.1t) for tappet adjustment
1pc
Hexagonal wrench set
1set
Main needle valve extension bar
1 each
Muffler set
1set
SAIGP-01 Glow plug (Attached to the engine) 1pc
Synthetic oil with 10~20% nitro methane content
Approx.
20
cc/min (At full throttle
10,200rpm) *Fuel flow varies depends upon prop load. More fuel flow
with larger load and less fuel flow with smaller load.
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