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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49-72 of 1,812 Results
Idle Adj Valve; FS-90/120 Idle Adj Valve; FS-90/120
4.7 out of 5 Customer Rating
$11.80
Throttle Link Assembly: 21XM Throttle Link Assembly: 21XM
3.3 out of 5 Customer Rating
$10.86
Gasket Set: 21XM Gasket Set: 21XM
5 out of 5 Customer Rating
$11.87
Steering Arm: 21XM Steering Arm: 21XM
4.7 out of 5 Customer Rating
$13.75
Flywheel #2J Flywheel #2J
5 out of 5 Customer Rating
$31.50
Muffler: E2050-2, 21XM, V2 Outboard Marine Muffler: E2050-2, 21XM, V2 Outboard Marine
4 out of 5 Customer Rating
$87.29
Crankcase: 21XM Crankcase: 21XM
3.4 out of 5 Customer Rating
$125.10
Cover Plate: 21XZ-B Cover Plate: 21XZ-B
4.9 out of 5 Customer Rating
$22.04
Rotor Guide Screw #20J Rotor Guide Screw #20J
5 out of 5 Customer Rating
$6.49
Flywheel Nut: 21XM Flywheel Nut: 21XM
4.4 out of 5 Customer Rating
$8.49
Flex Shaft Housing: 21XM Flex Shaft Housing: 21XM
3.6 out of 5 Customer Rating
$10.86
O-Ring Set #60B O-Ring Set #60B
5 out of 5 Customer Rating
$8.43
Crankshaft: 21XM V2 Outboard Marine Crankshaft: 21XM V2 Outboard Marine
5 out of 5 Customer Rating
$130.94
Prop Shaft: 21XM Prop Shaft: 21XM
5 out of 5 Customer Rating
$57.74
Side Plate: 21XM Side Plate: 21XM
3.3 out of 5 Customer Rating
$22.24
Cylinder & Piston Assembly: 21XM V2 Outboard Marine Cylinder & Piston Assembly: 21XM V2 Outboard Marine
4.1 out of 5 Customer Rating
$155.31
Carburetor #20J: 21XM, 21RG-M Carburetor #20J: 21XM, 21RG-M
4.1 out of 5 Customer Rating
$147.07
Lower Arm: 21XM Lower Arm: 21XM
4.1 out of 5 Customer Rating
$21.06
42mm Carbon Fiber Propeller: 21XM 42mm Carbon Fiber Propeller: 21XM
5 out of 5 Customer Rating
$20.05
Crankcase: 18CV-R Crankcase: 18CV-R
3.4 out of 5 Customer Rating
$52.52
Needle Assembly 21-120 Needle Assembly 21-120
5 out of 5 Customer Rating
$22.04
Cylinder Head: 21XM V2 Outboard Marine Cylinder Head: 21XM V2 Outboard Marine
4 out of 5 Customer Rating
$91.34
Screw Set CZ-M (8) Screw Set CZ-M (8)
3.6 out of 5 Customer Rating
$9.85
Connecting Rod: RXB/R/M Connecting Rod: RXB/R/M
4.4 out of 5 Customer Rating
$26.24