O.S. 4-Stroke Engine Hobby RC Gas/Nitro Engines for 1:4

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Engine, Exhaust & Fuel Systems

44 Results

OS Engines FS81A-P Alpha Series .81 4 Stroke Pumped Engine Glow, N.I.B.
$400.00
$20.00 shipping
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OS Engines FS110A-P Alpha Series 1.10 4 Stroke Pumped Engine Glow, N.I.B.
$450.00
$20.00 shipping
10 watching
7⁣D⁣ ⁣S⁣p⁣I⁣o⁣A⁣n⁣s⁣ ⁣o⁣r⁣4⁣Q⁣ ⁣9⁣B⁣e⁣ ⁣N⁣d⁣M⁣⁣⁣ ⁣⁣U⁣
O.S FS-120 series O.S. MAX SX 4 stroke RC Engine Used w/box manuals moves GS14
(4)
$480.00
or Best Offer
$14.80 shipping
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OS FS Series Surpass 70 RC Model Airplane Engine Four Stroke Motor - Read
(1)
$139.95
or Best Offer
$16.65 shipping
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OS RC Airplane Engine Spinner Locknut Set .91 .70 1.20 91 70 FS 45910300
(2)
$30.95
Free shipping
10 watching
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OS RC engine BEARINGS ABEC3c3 56 FSA 52 Surpass OS FSA72 engine Magnum 52 XL FS
$8.45
$5.35 shipping
Only 1 left!
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OS RC Remote Control Nitro Engine 4-Stroke Valve Adjustment Kit 91 .91 .70 1.20
(9)
$15.00
$4.51 shipping
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OS FS 91-S II 4-Stroke Engine New in Box
$339.00
or Best Offer
$13.95 shipping
13 watching
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Vintage OS Max 40 R/C Engine Box w/Manual & Wall Poster **NO ENGINE INCLUDED**
$40.00
$7.50 shipping
6⁣⁣⁣C⁣⁣⁣ ⁣I⁣⁣⁣5⁣⁣⁣ ⁣⁣⁣4⁣⁣L⁣⁣ ⁣O⁣W⁣ ⁣M⁣⁣N⁣⁣
OS Engines 72109690 80D M11 in-Cowl Exhaust Header Pipe Inverted FS72 95 Engine
(2)
$35.95
Free shipping
I⁣⁣⁣X⁣ ⁣K⁣0⁣ ⁣B⁣⁣⁣J⁣⁣⁣⁣ ⁣⁣⁣⁣⁣9⁣P⁣ ⁣P⁣T⁣⁣⁣⁣
OS RC Remote Control Nitro Engine 4-Stroke Valve Adjustment Kit 91 .91 .70 1.20
(9)
$19.95
Free shipping
7 watching
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OS Engine FSα-56 Four Stroke Engine #34300 w/Silencer *USED* Good Condition
$275.00
or Best Offer
$10.00 shipping
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OS Engines FS110A Alpha Series 1.10 4 Stroke Engine Glow, N.I.B.
$425.00
$20.00 shipping
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New O.S. GF40 40cc 4 Four Stroke Gas RC Engine with F-6040 Silencer
$859.00
Free shipping
5 watching
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OS Engines FS155A-P Alpha Series 1.55 4 Stroke Pumped Engine Glow, N.I.B.
$550.00
$20.00 shipping
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O.S. FS-95V (30900) Glow engine for R/C airplane, new Ogawaseiki f/s
$495.55
or Best Offer
Free shipping
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OS engine 200 FS OS 4 STROKE BEARINGS HCHS ABEC3cEMQ BEARINGS OS FS
$9.95
$5.35 shipping
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OS 62 .62 FS Ringed 4 Four Stroke RC Airplane Engine With Muffler 62FS 62V
(2)
$250.00
$7.67 shipping
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Excellent OS O.S. .26 26 FS Four Stroke RC Remote Control Nitro Airplane Engine
$229.95
Free shipping
10 watching
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O.S. FS-200S RC Engine (32 cc) *RARE* Japan
$475.00
or Best Offer
Free shipping
⁣8⁣⁣⁣⁣D⁣⁣ ⁣⁣⁣I⁣⁣⁣Q⁣⁣ ⁣5⁣⁣L⁣ ⁣⁣M⁣E⁣⁣⁣⁣ ⁣S⁣
OS .95 95 FS Four Stroke RC Nitro Airplane Engine With Muffler FS95V OSMG0900
$299.95
Free shipping
⁣7⁣⁣⁣Y⁣⁣ ⁣⁣⁣⁣⁣W⁣⁣⁣4⁣ ⁣O⁣3⁣ ⁣N⁣D⁣ ⁣⁣⁣R⁣K⁣⁣⁣
OS 72A Ultimate engine FL 70 OS Bearings OS 62 FSV RC Engine Bearings ABEC3c3
$9.55
$5.25 shipping
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Excellent OS 1.20 120 FS Four Stroke RC Nitro Airplane Engine With Muffler FS120
$299.95
Free shipping
⁣V⁣⁣⁣⁣⁣X⁣⁣ ⁣⁣L⁣1⁣⁣ ⁣U⁣I⁣ ⁣D⁣⁣Q⁣⁣⁣⁣⁣ ⁣⁣C⁣⁣
OS O.S. FS155-A 1.55 FS FS155 Four Stroke Nitro RC Airplane Engine Ring
$450.00
$15.80 shipping
L⁣⁣B⁣⁣ ⁣⁣⁣⁣J⁣⁣⁣N⁣ ⁣⁣A⁣⁣⁣⁣6⁣ ⁣⁣B⁣⁣⁣U⁣ ⁣Z⁣⁣
OS .70 FS II RC Nitro Engine Replacement Screw Set (12) FS FS70 Surpass 45913000
(1)
$21.95
Free shipping
⁣G⁣K⁣ ⁣⁣⁣Q⁣C⁣⁣⁣ ⁣⁣Z⁣⁣2⁣⁣⁣ ⁣⁣R⁣K⁣ ⁣⁣⁣J⁣N⁣ ⁣⁣
New OS 62 .62 FS Ringed 4 Four Stroke RC Airplane Engine With Muffler 62FS 62V
(2)
$395.95
Free shipping
Only 1 left!
A⁣H⁣⁣⁣ ⁣J⁣S⁣ ⁣9⁣U⁣ ⁣3⁣S⁣⁣⁣ ⁣L⁣J⁣ ⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣
OS Engines 35430 FS155a Alpha Series 1.55 4Stroke Pumped Eng OSMG0998 Glow
$659.99
$4.99 shipping
L⁣2⁣ ⁣V⁣A⁣ ⁣5⁣⁣F⁣⁣⁣ ⁣⁣X⁣⁣⁣⁣9⁣ ⁣6⁣T⁣ ⁣⁣⁣⁣⁣⁣⁣
OS 120FS FS120III Four Stroke RC Airplane Engine w/ Pump Ring 70N Carb OSMG0935
$685.00
or Best Offer
Free shipping
⁣⁣⁣⁣⁣⁣⁣S⁣⁣6⁣⁣⁣⁣ ⁣⁣I⁣⁣W⁣⁣ ⁣H⁣E⁣⁣⁣ ⁣S⁣7⁣ ⁣
OS 60 FS 4 Stroke Rc Engine NIB
(1)
$499.99
or Best Offer
$15.95 shipping
⁣6⁣K⁣ ⁣4⁣X⁣ ⁣Y⁣E⁣⁣ ⁣⁣⁣⁣B⁣⁣7⁣ ⁣9⁣J⁣ ⁣⁣⁣⁣4⁣⁣⁣ ⁣
New OS 62 .62 FS Ringed 4 Four Stroke RC Airplane Engine With Muffler 62FS 62V
(2)
$339.99
or Best Offer
$9.88 shipping
3⁣4⁣ ⁣⁣⁣⁣⁣⁣O⁣6⁣ ⁣M⁣⁣⁣⁣6⁣ ⁣⁣L⁣R⁣⁣⁣ ⁣X⁣⁣⁣J⁣⁣
OS Engines 3A010 GF30 II 30cc 4Stroke Gas Eng w/Ignition Module OSMG0799 Gas
(1)
$879.99
$4.99 shipping
C⁣M⁣ ⁣P⁣A⁣ ⁣⁣P⁣F⁣ ⁣⁣S⁣⁣P⁣ ⁣T⁣S⁣⁣⁣⁣ ⁣⁣⁣⁣⁣⁣⁣⁣
OS O.S. FS155-A 1.55 FS FS155 Four Stroke Nitro RC Airplane Engine Ring OSMG0998
$659.95
Free shipping
40 watching
⁣S⁣⁣T⁣⁣ ⁣E⁣⁣⁣⁣⁣O⁣⁣ ⁣W⁣J⁣ ⁣⁣⁣⁣F⁣E⁣⁣ ⁣L⁣⁣⁣E⁣
OS FT 120 Twin Gemini Glow Engine
$549.76
or Best Offer
$100.90 shipping
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OS Engines 30900 FS95V Ringed 4Stroke .95 Airplane Glow Eng OSMG0900 Glow
$439.99
$4.99 shipping
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O.S.Speed o.s. Engines In Flight Control Needle Valve 7170500
$8.91
$8.37 shipping
⁣⁣⁣D⁣⁣⁣C⁣⁣ ⁣G⁣⁣F⁣⁣⁣⁣ ⁣B⁣⁣⁣U⁣⁣ ⁣M⁣⁣⁣⁣0⁣ ⁣
OS 120FS FS120III Four Stroke RC Airplane Engine w/ Pump Ring 70N Carb OSMG0935
$686.95
Free shipping
Only 1 left!
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OS Engines 35430 FS155a Alpha Series 1.55 4Stroke Pumped Eng OSMG0998 Glow
$659.99
$4.99 shipping
4⁣⁣G⁣ ⁣Z⁣⁣⁣⁣⁣M⁣ ⁣⁣1⁣I⁣⁣⁣ ⁣Z⁣W⁣ ⁣7⁣⁣O⁣ ⁣⁣R⁣⁣⁣
New OS O.S. .48 48 48FS FS Four Stroke Nitro RC Airplane Engine w/ Muffler FS48
$400.00
or Best Offer
$12.58 shipping
9⁣⁣R⁣ ⁣⁣⁣⁣⁣⁣⁣⁣0⁣⁣⁣W⁣ ⁣⁣Q⁣⁣B⁣ ⁣5⁣X⁣⁣ ⁣⁣⁣G⁣
O.S. FS-70 Surpass Four Stroke Engine W/ BOX & Other UNTESTED
$299.60
or Best Offer
$9.39 shipping
⁣6⁣R⁣ ⁣⁣T⁣⁣D⁣ ⁣D⁣7⁣⁣ ⁣⁣6⁣⁣⁣N⁣ ⁣⁣Y⁣R⁣⁣⁣⁣ ⁣⁣⁣
OS engine 70 ULTIMATE FSA72II engine OS FL70 Bearings ABEC3c3 OS 4STROKE Engines
$8.85
$5.27 shipping
Q⁣O⁣⁣ ⁣⁣⁣5⁣0⁣⁣ ⁣K⁣6⁣ ⁣4⁣⁣⁣⁣X⁣⁣⁣ ⁣⁣⁣A⁣4⁣ ⁣⁣⁣
Excellent OS 1.20 120 FS Four Stroke RC Nitro Airplane Engine With Muffler FS120
$299.95
Free shipping
K⁣⁣⁣9⁣⁣⁣⁣ ⁣⁣N⁣E⁣ ⁣⁣X⁣9⁣ ⁣⁣E⁣5⁣ ⁣⁣⁣Z⁣Q⁣ ⁣⁣⁣⁣
OS .95 95 FS Four Stroke RC Nitro Airplane Engine With Muffler FS95V OSMG0900
$389.95
Free shipping
Y⁣3⁣ ⁣⁣⁣O⁣C⁣ ⁣L⁣I⁣⁣ ⁣⁣H⁣⁣5⁣⁣⁣⁣⁣ ⁣⁣⁣N⁣L⁣⁣ ⁣⁣
OS .95 95 FS Four Stroke RC Nitro Airplane Engine With Muffler FS95V OSMG0900
$439.95
Free shipping
44 watching
D⁣9⁣ ⁣⁣⁣U⁣K⁣⁣ ⁣U⁣⁣W⁣⁣⁣ ⁣P⁣P⁣⁣⁣⁣⁣⁣ ⁣U⁣⁣6⁣ ⁣⁣
OS O.S. .95 95 95FSV FS Four Stroke Nitro RC Airplane Engine w/ Muffler FS95V
$439.95
Free shipping
35 watching
⁣⁣T⁣⁣⁣5⁣ ⁣⁣⁣U⁣7⁣⁣⁣⁣⁣ ⁣3⁣E⁣ ⁣⁣F⁣⁣L⁣⁣⁣⁣ ⁣2⁣

O.S. 4-Stroke Engine Hobby RC Gas/Nitro Engines for 1:4

Shop by Category

44 Results

OS Engines FS81A-P Alpha Series .81 4 Stroke Pumped Engine Glow, N.I.B.

OS Engines FS110A-P Alpha Series 1.10 4 Stroke Pumped Engine Glow, N.I.B.

O.S FS-120 series O.S. MAX SX 4 stroke RC Engine Used w/box manuals moves GS14

OS FS Series Surpass 70 RC Model Airplane Engine Four Stroke Motor - Read

OS RC Airplane Engine Spinner Locknut Set .91 .70 1.20 91 70 FS 45910300

OS RC engine BEARINGS ABEC3c3 56 FSA 52 Surpass OS FSA72 engine Magnum 52 XL FS

OS RC Remote Control Nitro Engine 4-Stroke Valve Adjustment Kit 91 .91 .70 1.20

OS FS 91-S II 4-Stroke Engine New in Box

Vintage OS Max 40 R/C Engine Box w/Manual & Wall Poster **NO ENGINE INCLUDED**

OS Engines 72109690 80D M11 in-Cowl Exhaust Header Pipe Inverted FS72 95 Engine

OS RC Remote Control Nitro Engine 4-Stroke Valve Adjustment Kit 91 .91 .70 1.20

OS Engine FSα-56 Four Stroke Engine #34300 w/Silencer *USED* Good Condition

OS Engines FS110A Alpha Series 1.10 4 Stroke Engine Glow, N.I.B.

New O.S. GF40 40cc 4 Four Stroke Gas RC Engine with F-6040 Silencer

OS Engines FS155A-P Alpha Series 1.55 4 Stroke Pumped Engine Glow, N.I.B.

O.S. FS-95V (30900) Glow engine for R/C airplane, new Ogawaseiki f/s

OS engine 200 FS OS 4 STROKE BEARINGS HCHS ABEC3cEMQ BEARINGS OS FS

OS 62 .62 FS Ringed 4 Four Stroke RC Airplane Engine With Muffler 62FS 62V

Excellent OS O.S. .26 26 FS Four Stroke RC Remote Control Nitro Airplane Engine

O.S. FS-200S RC Engine (32 cc) *RARE* Japan

OS .95 95 FS Four Stroke RC Nitro Airplane Engine With Muffler FS95V OSMG0900

OS 72A Ultimate engine FL 70 OS Bearings OS 62 FSV RC Engine Bearings ABEC3c3

Excellent OS 1.20 120 FS Four Stroke RC Nitro Airplane Engine With Muffler FS120

OS O.S. FS155-A 1.55 FS FS155 Four Stroke Nitro RC Airplane Engine Ring

OS .70 FS II RC Nitro Engine Replacement Screw Set (12) FS FS70 Surpass 45913000

New OS 62 .62 FS Ringed 4 Four Stroke RC Airplane Engine With Muffler 62FS 62V

OS Engines 35430 FS155a Alpha Series 1.55 4Stroke Pumped Eng OSMG0998 Glow

OS 120FS FS120III Four Stroke RC Airplane Engine w/ Pump Ring 70N Carb OSMG0935

OS 60 FS 4 Stroke Rc Engine NIB

New OS 62 .62 FS Ringed 4 Four Stroke RC Airplane Engine With Muffler 62FS 62V

OS Engines 3A010 GF30 II 30cc 4Stroke Gas Eng w/Ignition Module OSMG0799 Gas

OS O.S. FS155-A 1.55 FS FS155 Four Stroke Nitro RC Airplane Engine Ring OSMG0998

OS FT 120 Twin Gemini Glow Engine

OS Engines 30900 FS95V Ringed 4Stroke .95 Airplane Glow Eng OSMG0900 Glow

O.S.Speed o.s. Engines In Flight Control Needle Valve 7170500

OS 120FS FS120III Four Stroke RC Airplane Engine w/ Pump Ring 70N Carb OSMG0935

OS Engines 35430 FS155a Alpha Series 1.55 4Stroke Pumped Eng OSMG0998 Glow

New OS O.S. .48 48 48FS FS Four Stroke Nitro RC Airplane Engine w/ Muffler FS48

O.S. FS-70 Surpass Four Stroke Engine W/ BOX & Other UNTESTED

OS engine 70 ULTIMATE FSA72II engine OS FL70 Bearings ABEC3c3 OS 4STROKE Engines

Excellent OS 1.20 120 FS Four Stroke RC Nitro Airplane Engine With Muffler FS120

OS .95 95 FS Four Stroke RC Nitro Airplane Engine With Muffler FS95V OSMG0900

OS .95 95 FS Four Stroke RC Nitro Airplane Engine With Muffler FS95V OSMG0900

OS O.S. .95 95 95FSV FS Four Stroke Nitro RC Airplane Engine w/ Muffler FS95V

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Vintage OS Max 40 R/C Engine Box w/Manual & Wall Poster NO ENGINE INCLUDED

OS Engine FSα-56 Four Stroke Engine #34300 w/Silencer USED Good Condition

O.S. FS-200S RC Engine (32 cc) RARE Japan