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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25-48 of 1,813 Results
FS155-a Alpha Series 1.55 4-Stroke Pumped Engine FS155-a Alpha Series 1.55 4-Stroke Pumped Engine
3.9 out of 5 Customer Rating
FS155-a Alpha Series 1.55 4-Stroke Pumped Engine
$659.99
GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler
5 out of 5 Customer Rating
GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler
$508.76
O.S. SPEED R21GT2 Combo Set O.S. SPEED R21GT2 Combo Set
5 out of 5 Customer Rating
O.S. SPEED R21GT2 Combo Set
$799.99
GT15 15cc Gas 2-Cycle Airplane Engine with Muffler GT15 15cc Gas 2-Cycle Airplane Engine with Muffler
4.5 out of 5 Customer Rating
GT15 15cc Gas 2-Cycle Airplane Engine with Muffler
$508.76
FS-95V Ringed 4-Stroke .95 Airplane Glow Engine FS-95V Ringed 4-Stroke .95 Airplane Glow Engine
4.2 out of 5 Customer Rating
FS-95V Ringed 4-Stroke .95 Airplane Glow Engine
$439.99
O.S. SPEED R21GT2 O.S. SPEED R21GT2
4.6 out of 5 Customer Rating
O.S. SPEED R21GT2
$699.99
GT22 22cc Gas 2-Cycle Airplane Engine with Muffler GT22 22cc Gas 2-Cycle Airplane Engine with Muffler
5 out of 5 Customer Rating
GT22 22cc Gas 2-Cycle Airplane Engine with Muffler
$560.99
GF40 40cc 4-Stroke Gas Airplane Engine with Muffler GF40 40cc 4-Stroke Gas Airplane Engine with Muffler
3.1 out of 5 Customer Rating
GF40 40cc 4-Stroke Gas Airplane Engine with Muffler
$799.99
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 Revo 21TM ABC .21 Engine with Manifold: 2.5 and 3.3 Revo
4.5 out of 5 Customer Rating
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 Revo
$374.18
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx 21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
5 out of 5 Customer Rating
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
$374.18
Flex Shaft: 21XM Flex Shaft: 21XM
4.4 out of 5 Customer Rating
Flex Shaft: 21XM
$25.20
Steering Arm: 21XM Steering Arm: 21XM
4.7 out of 5 Customer Rating
Steering Arm: 21XM
$13.75
Drive Shaft Nut: 21XM Drive Shaft Nut: 21XM
4 out of 5 Customer Rating
Drive Shaft Nut: 21XM
$11.87
Cylinder Rebuild Kit: O.S. SPEED R21 EURO Cylinder Rebuild Kit: O.S. SPEED R21 EURO
4.7 out of 5 Customer Rating
Cylinder Rebuild Kit: O.S. SPEED R21 EURO
$251.47
Mount Plate: 21XM Mount Plate: 21XM
3.7 out of 5 Customer Rating
Mount Plate: 21XM
$22.24
Inner Head: 21XZ-R Inner Head: 21XZ-R
5 out of 5 Customer Rating
Inner Head: 21XZ-R
$52.69
Gasket Cover: 21XM V2 Outboard Marine Gasket Cover: 21XM V2 Outboard Marine
5 out of 5 Customer Rating
Gasket Cover: 21XM V2 Outboard Marine
$6.49
Carburetor Body: #40A Carburetor Body: #40A
5 out of 5 Customer Rating
Carburetor Body: #40A
$47.99
O-Ring Set #60B O-Ring Set #60B
5 out of 5 Customer Rating
O-Ring Set #60B
$8.43
Cavitation Plt: 21XM Cavitation Plt: 21XM
4.2 out of 5 Customer Rating
Cavitation Plt: 21XM
$22.24
Lower Unit: 21XM Lower Unit: 21XM
4.8 out of 5 Customer Rating
Lower Unit: 21XM
$100.94
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
Cover Plate: 21XZ-B Cover Plate: 21XZ-B
4.9 out of 5 Customer Rating
Cover Plate: 21XZ-B
$22.04
Rotor Guide Screw #20J Rotor Guide Screw #20J
5 out of 5 Customer Rating
Rotor Guide Screw #20J
$6.49
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