SAITO FG-20 PARTS LIST
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01
Cylinder (left)
1
42
Rocker arm screw and nut (42-1,42-2)
2ea
06
Piston
1
43
Rocker arm pin
2
07
Piston pin
1
44
Rocker arm bracket (left)
1
08
Piston pin retainar
2
45
Rocker arm bracket (right)
1
09
Piston ring
1
46
Valve (in and out) (46-1, 46-2)
2
10
Connecting rod
1
47
Valve Retainer (47-1,47-2,48)
2ea
14
Cylinder screw set (14-1, 14-2, 14-3, 14-4)
1set
48
Valve retainer (Cotter)
4
15
Crankcase
1
49
Rocker arm cover
2
17
Rear cover
1
69
Intake manifold
1
19
Breather nipple
1
74
Muffler
1
20A
Front bearing
1
75
Muffler manifold (75-1, 80)
1
22
Rear bearing
1
80
Muffler nut
2
23
Crankshaft
1
82-1 Carburetor complete
1set
27A
Taper collet and drive flange (27-1, 27-2)
1ea
83-1
Carburetor body assembly
1set
28
Prop washer and nut (28-1,28-2)
1ea
82-1-1, 82-1-2, 82-1-3, 82-1-4, 82-1-5
31
Crankcase screw set (31-1, 31-2, 31-3)
1set
90
Carburetor screw and spring set
1set
32
Engine gasket set (32-1, 32-2, 32-3, 32-4)
1set
82-1-9, 82-1-10, 82-1-11, 82-1-12
33
Cam gear housing
1
91
Carburetor gasket set (82-1-6, 82-1-7, 82-1-8)
1set
35
Cam gear
1
93
Intake velocity stack
1
36A
Cam gear shaft
1
95
Engine mount set (95-1, 95-2, 95-3, 95-4, 95-5)
1set
37
Steel and washer set (37-1, 37-2)
1set
110 Anti loosening nut
1
38
Tappet
2
149 Oil slinger
1
39
Pushrod
2
152 Screw-pin (for drive flange setting)
1
40
Pushrod cover and rubber seal (40-1, 40-2, 40-3)
2ea
153 Electronic ignition system
1set
41
Rocker arm
2
153-1, 153-2, 153-3, 153-4
16
F G - 2 0 D I M E N S I O N S A N D S P E C I F I C A T I O N S
OUTSIDE DIMENSIONS (mm)
SPECIFICATIONS
Disp: 20.52cc (1.25 cu in)
Bore: 31.7mm (1.24 in)
Stroke: 26mm (1.02 in)
Weight: (Engine only); 21.9 oz
(620 g)
Weight: (Muffler only): 2.9 oz
(80 g)
Weight: (Ignition only); 5.2 oz
(146 g)
Total weight with muffler and ignition
system: 30.1 oz (850 g)
Crankshaft: M8x1.25
Cylinder: AAC
Fuel Efficiency: 15cc/minute
Propeller Size: Dia. 15-16 x Pitch 6-8,
Dia. 17 x Pitch 6
Benchmark Propeller: APC 16x8W @
8,700 rpm
RPM Range: 1,700–10,000 rpm
Fuel consumption will depend on the
load of the propeller. During actual
flight, fuel consumption increases
slightly.
Electrical usage of ignition system:
Approximately 200mAh for 15
minutes.
Fuel: Gasoline-Oil mix of 20:1 (20:1
is recommended for break in and
continuous operation).
Oil: The use of only 100% synthetic
oil is such as our Evolution Oil
(EVOX1001Q)
96
119
105 127
53
70
25
60
52
43
96
119
105 127
53
70
25
60
52
43
F G - 2 0 P A R T S L I S T
17
14387 SAI FG_20andFG_36 Manual.indd 16-17
12/16/08 2:09:14 PM
