O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.

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Carburetor Body: 40K, 46AXII

$48.41

Carburetor Rotor: 61HB

$26.24

Choke Shaft: WLA-2, GT55

$7.79 ~~Price reduced from $25.99 to~~

Clearance Sale! ⓘ

Connecting Rod: 140RX

$48.51

Connecting Rod: GT33

$67.42

Crankshaft: 50SX-H

$55.12

Crankcase: 75AX

$35.93 ~~Price reduced from $119.78 to~~

Clearance Sale! ⓘ

Cover Plate: GF30 II

$44.17

Motor Mount: 25LA

$25.29

Air Bleed Screw: FS-20, FS-40

$6.49

Air Bleed Screw: FL70

$5.99

Front Bearing: 12-300

$21.17

Rear Bearing: 50SX-H, 55HZ, 55AX

$34.76

Cam Cover: GF40

$5.76 ~~Price reduced from $19.22 to~~

Clearance Sale! ⓘ

Carburetor Body: 61D, 65AX

$48.41

Carburetor Body: #70A

$13.79 ~~Price reduced from $45.99 to~~

Clearance Sale! ⓘ

Carburetor Rotor: 61T, FS-62V

$9.13 ~~Price reduced from $30.44 to~~

Clearance Sale! ⓘ

Cover Plate: GT15

$18.99

Crankcase: GGT15

$37.51 ~~Price reduced from $125.03 to~~

Clearance Sale! ⓘ

Cylinder Head: 200 Surpass

$119.86

Cylinder Head Assembly: FS-120 III

$162.95

Drive Washer: GT22

$39.91

Cylinder Liner: 105HZ

$105.05

Carburetor Gasket: GT15HZ

$10.94