O.S. Engines

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Quality and performance has made O.S. the standard in RC engines for over 80 years.
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73-96 of 1,812 Results
Mount Plate: 21XM Mount Plate: 21XM
3.7 out of 5 Customer Rating
Mount Plate: 21XM
$22.24
Lower Arm: 21XM Lower Arm: 21XM
4.1 out of 5 Customer Rating
Lower Arm: 21XM
$21.06
Gasket Head: 21XM V2 Outboard Marine Gasket Head: 21XM V2 Outboard Marine
4.7 out of 5 Customer Rating
Gasket Head: 21XM V2 Outboard Marine
$6.49
Rear Housing: 21XM Rear Housing: 21XM
4.7 out of 5 Customer Rating
Rear Housing: 21XM
$52.65
Idle Adj Valve; FS-90/120 Idle Adj Valve; FS-90/120
4.7 out of 5 Customer Rating
Idle Adj Valve; FS-90/120
$11.80
Cylinder Head: 21XM V2 Outboard Marine Cylinder Head: 21XM V2 Outboard Marine
4 out of 5 Customer Rating
Cylinder Head: 21XM V2 Outboard Marine
$91.34
Lower Unit: 21XM Lower Unit: 21XM
4.8 out of 5 Customer Rating
Lower Unit: 21XM
$100.94
Marine Head Assembly: 18CVR-M Marine Head Assembly: 18CVR-M
4.8 out of 5 Customer Rating
Marine Head Assembly: 18CVR-M
$48.30
Needle Assembly 21-120 Needle Assembly 21-120
5 out of 5 Customer Rating
Needle Assembly 21-120
$22.04
Flex Shaft: 21XM Flex Shaft: 21XM
4.4 out of 5 Customer Rating
Flex Shaft: 21XM
$25.20
Cylinder & Piston: O.S. SPEED R21 EURO Cylinder & Piston: O.S. SPEED R21 EURO
5 out of 5 Customer Rating
Cylinder & Piston: O.S. SPEED R21 EURO
$249.99
Needle Assembly #40A Needle Assembly #40A
4 out of 5 Customer Rating
Needle Assembly #40A
$22.04
Throttle Link Assembly: 21XM Throttle Link Assembly: 21XM
3.3 out of 5 Customer Rating
Throttle Link Assembly: 21XM
$10.86
42mm Carbon Fiber Propeller: 21XM 42mm Carbon Fiber Propeller: 21XM
5 out of 5 Customer Rating
42mm Carbon Fiber Propeller: 21XM
$20.05
Screw Set CZ-M (8) Screw Set CZ-M (8)
3.6 out of 5 Customer Rating
Screw Set CZ-M (8)
$9.85
Screw Set (10): 21XM Screw Set (10): 21XM
5 out of 5 Customer Rating
Screw Set (10): 21XM
$11.75
Rear Board Unit Fixing Screw: 21XM V2 Outboard Rear Board Unit Fixing Screw: 21XM V2 Outboard
5 out of 5 Customer Rating
Rear Board Unit Fixing Screw: 21XM V2 Outboard
$10.86
Steering Arm: 21XM Steering Arm: 21XM
4.7 out of 5 Customer Rating
Steering Arm: 21XM
$13.75
Glow G5 Gas Plug: GGT15 Glow G5 Gas Plug: GGT15
3.7 out of 5 Customer Rating
Glow G5 Gas Plug: GGT15
$17.99
Crankcase: B2102 Speed Crankcase: B2102 Speed
4.9 out of 5 Customer Rating
Crankcase: B2102 Speed
$147.19
Connecting Rod: Speed B2101, B2102 Connecting Rod: Speed B2101, B2102
4 out of 5 Customer Rating
Connecting Rod: Speed B2101, B2102
$52.58
Throttle Lever #2F #2FB Throttle Lever #2F #2FB
4.8 out of 5 Customer Rating
Throttle Lever #2F #2FB
$7.49
Cylinder Head: 55AX Cylinder Head: 55AX
3.7 out of 5 Customer Rating
Cylinder Head: 55AX
$34.86
Carburetor Screw: #4D4C2H Carburetor Screw: #4D4C2H
4.8 out of 5 Customer Rating
Carburetor Screw: #4D4C2H
$6.49
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