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Hobby RC Gas/Nitro Engines for Helicopters

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  • K&B MODEL ENGINE 5900 AIRPLANE .45 R/C SPORTSTER AERO ENGINE VINTAGE

    K&B MODEL ENGINE 5900 AIRPLANE .45 R/C SPORTSTER AERO ENGINE VINTAGE

    (4)
    $129.00 New
    $35.00 Used
  • O.S. MAX-55HZ Hyper Helicopter Engine (15630)

    O.S. MAX-55HZ Hyper Helicopter Engine (15630)

    $354.99 New
  • OS Max 46ax II 15490 NITRO RC Model Airplane Engine With E-3071 Silencer

    OS Max 46ax II 15490 NITRO RC Model Airplane Engine With E-3071 Silencer

    (2)
    $184.90 New
  • Saito Engines Fg-14c 4-stroke Gas Engine BU SAIEG14C

    Saito Engines Fg-14c 4-stroke Gas Engine BU SAIEG14C

    (2)
    $515.99 New
    $399.99 Used
  • OS Engines Piston Ring .91 FX Osm29503400

    OS Engines Piston Ring .91 FX Osm29503400

    (10)
    $24.67 New
  • OS Ma Gas/Nitro Model Airplane Engine Rear Cover Back Plate 1607 Japan

    OS Ma Gas/Nitro Model Airplane Engine Rear Cover Back Plate 1607 Japan

    $79.99 New
  • O.S. Surpass FS-120 Four Stroke Nitro Engine With Pump

    O.S. Surpass FS-120 Four Stroke Nitro Engine With Pump

    (4)
    $300.00 New
    $225.00 Used
  • Saito FA-82B 4-Stroke Engine - SAIE082B

    Saito FA-82B 4-Stroke Engine - SAIE082B

    $419.99 New

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  • Hobby RC Gas/Nitro Engines for Helicopters

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Review highlights

Recommended by our customers

  • very good Piston Ring

    By phatvu11

    It is a good Piston Ring, it is fit exactly into the piston see all reviews

    Verified Purchase

    29503400 OS Piston Ring 91FX

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  • Compatible Vehicle Type: Helicopters- Selected

    • YS Engine- YS 61-S Helicopter Nitro Engine - Image 1 of 4
    • YS Engine- YS 61-S Helicopter Nitro Engine - Image 2 of 4
    • YS Engine- YS 61-S Helicopter Nitro Engine - Image 3 of 4
    • YS Engine- YS 61-S Helicopter Nitro Engine - Image 4 of 4

    YS Engine- YS 61-S Helicopter Nitro Engine

    $168.71
    Was: $224.95was - US $224.95
    or Best Offer
    $10.00 shipping
    S⁣p⁣o⁣O⁣n⁣s⁣о⁣1⁣ ⁣r⁣P⁣E⁣e⁣ ⁣d⁣0⁣⁣6⁣ ⁣8⁣G⁣⁣⁣ ⁣⁣⁣⁣5⁣
    • YS 91SR Helicopter Engine Made in Japan w/ Side Muffler - Image 1 of 4
    • YS 91SR Helicopter Engine Made in Japan w/ Side Muffler - Image 2 of 4
    • YS 91SR Helicopter Engine Made in Japan w/ Side Muffler - Image 3 of 4
    • YS 91SR Helicopter Engine Made in Japan w/ Side Muffler - Image 4 of 4

    YS 91SR Helicopter Engine Made in Japan w/ Side Muffler

    $262.46
    Was: $349.95was - US $349.95
    or Best Offer
    $10.00 shipping
    S⁣р⁣5⁣o⁣n⁣J⁣s⁣o⁣ ⁣Y⁣P⁣ ⁣r⁣R⁣e⁣R⁣ ⁣d⁣⁣⁣⁣⁣K⁣1⁣ ⁣6⁣⁣5⁣
    • Super Tigre GH 34 RC engine .34 vintage motor W/ Muffler Carbonator Italy #P17 - Image 1 of 4
    • Super Tigre GH 34 RC engine .34 vintage motor W/ Muffler Carbonator Italy #P17 - Image 2 of 4
    • Super Tigre GH 34 RC engine .34 vintage motor W/ Muffler Carbonator Italy #P17 - Image 3 of 4
    • Super Tigre GH 34 RC engine .34 vintage motor W/ Muffler Carbonator Italy #P17 - Image 4 of 4

    Super Tigre GH 34 RC engine .34 vintage motor W/ Muffler Carbonator Italy #P17

    $65.00
    or Best Offer
    $7.47 shipping
    S⁣A⁣p⁣3⁣o⁣ ⁣n⁣J⁣9⁣ ⁣s⁣о⁣r⁣L⁣e⁣d⁣⁣D⁣⁣ ⁣A⁣⁣I⁣ ⁣C⁣T⁣⁣⁣
    • McCOY 098 GAS ENGINE FOR AIRPLANE OR TETHER CAR With Prop Untested - Image 1 of 4
    • McCOY 098 GAS ENGINE FOR AIRPLANE OR TETHER CAR With Prop Untested - Image 2 of 4
    • McCOY 098 GAS ENGINE FOR AIRPLANE OR TETHER CAR With Prop Untested - Image 3 of 4
    • McCOY 098 GAS ENGINE FOR AIRPLANE OR TETHER CAR With Prop Untested - Image 4 of 4

    McCOY 098 GAS ENGINE FOR AIRPLANE OR TETHER CAR With Prop Untested

    $75.00
    or Best Offer
    $11.95 shipping
    S⁣Ѕ⁣7⁣p⁣o⁣n⁣ ⁣s⁣7⁣Q⁣ ⁣A⁣N⁣ ⁣6⁣H⁣o⁣r⁣ ⁣e⁣d⁣6⁣⁣8⁣⁣ ⁣⁣⁣
  • Thunder Tiger Engine - 9141 PRO-46 ABC RC - NIOB - Image 1 of 4

    Thunder Tiger Engine - 9141 PRO-46 ABC RC - NIOB

    (2)
    $99.00
    $9.45 shipping
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  • HUDY Engine Break In Bench 104140 For RC Nitro Engines Great Condition 1/10 1/8 - Image 1 of 4

    HUDY Engine Break In Bench 104140 For RC Nitro Engines Great Condition 1/10 1/8

    $80.00
    or Buy It Now
    $13.28 shipping
    0 bids
    4d 20h
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  • Thunder Tiger PRO-46-9141-RC Model Airplane Engine New - Image 1 of 3

    Thunder Tiger PRO-46-9141-RC Model Airplane Engine New

    (2)
    $103.00
    $7.79 shipping
    10 bids
    8m 27s
    ⁣⁣⁣⁣⁣Q⁣P⁣ ⁣⁣⁣⁣L⁣I⁣ ⁣1⁣Q⁣ ⁣I⁣X⁣ ⁣M⁣O⁣ ⁣⁣⁣⁣⁣⁣
  • Saito Engines FG-14C 4-Stroke Gas EngineBU SAIEG14C Gas Engines 4 Stroke - Image 1 of 4

    Saito Engines FG-14C 4-Stroke Gas EngineBU SAIEG14C Gas Engines 4 Stroke

    (2)
    $399.40
    $10.67 shipping
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  • 4 NEW - OS Max FP / LA Venturis 6.45mm (0.256") fits FP 20/25/35/40, LA 25/40/46 - Image 1 of 4

    4 NEW - OS Max FP / LA Venturis 6.45mm (0.256") fits FP 20/25/35/40, LA 25/40/46

    $25.98
    $5.98 shipping
    Only 1 left!
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  • OS Max Carb Carburetor 4BK Carburetor 4 BK : Fits OS 40 FSR, 45 F SR and others - Image 1 of 3

    OS Max Carb Carburetor 4BK Carburetor 4 BK : Fits OS 40 FSR, 45 F SR and others

    $39.85
    $6.92 shipping
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  • New Old Stock MOKI 135 RC Plane engine - Image 1 of 4

    New Old Stock MOKI 135 RC Plane engine

    $295.00
    Free shipping
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  • OS Engines 21205040 Connecting Rod 12Z/CV OSMG3907 - Image 1 of 1

    OS Engines 21205040 Connecting Rod 12Z/CV OSMG3907

    $17.01
    $4.99 shipping
    3 watching
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  • Vintage Gas Powered Helicopter 40" Inches Fox Motor Propeller Aircraft LOOK - Image 1 of 4

    Vintage Gas Powered Helicopter 40" Inches Fox Motor Propeller Aircraft LOOK

    $549.95
    or Best Offer
    $99.95 shipping
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  • Saito Engines FA-82 4-Stroke Glow Engine with Muffler AB SAIE082B NEW IN BOX - Image 1 of 4

    Saito Engines FA-82 4-Stroke Glow Engine with Muffler AB SAIE082B NEW IN BOX

    $437.77
    Free shipping
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  • O.S. 2-cycle Model Engine R.C. Carberator (60L R.C Engine Carberator - Image 1 of 4

    O.S. 2-cycle Model Engine R.C. Carberator (60L R.C Engine Carberator

    $49.50
    $7.67 shipping
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  • OS Max SX 32 RC Control Line Model Airplane Engine - Image 1 of 4

    OS Max SX 32 RC Control Line Model Airplane Engine

    $96.99
    Free shipping
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  • NEW 6.45mm (0.256") OS Max FP / LA Venturi fits FP 20, 25, 35, 40, LA 25, 40, 46 - Image 1 of 4

    NEW 6.45mm (0.256") OS Max FP / LA Venturi fits FP 20, 25, 35, 40, LA 25, 40, 46

    $8.98
    $5.92 shipping
    17 sold
    1⁣A⁣ ⁣N⁣R⁣⁣⁣⁣ ⁣⁣⁣H⁣⁣0⁣ ⁣⁣S⁣⁣⁣V⁣ ⁣⁣⁣⁣⁣⁣⁣⁣
  • OS Max Engine 48 FS OS SURPASS Thunder Tiger 54 Engine TT 54 RC BEARINGS ABEC3c3 - Image 1 of 2

    OS Max Engine 48 FS OS SURPASS Thunder Tiger 54 Engine TT 54 RC BEARINGS ABEC3c3

    $7.87
    $5.35 shipping
    Only 3 left
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  • O. S. MAX BGX-1 - 35cc Glow Engine #19300 Aircraft Engine New Old Stock L00K! - Image 1 of 4

    O. S. MAX BGX-1 - 35cc Glow Engine #19300 Aircraft Engine New Old Stock L00K!

    $449.99
    or Best Offer
    $22.95 shipping
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  • Clean!! Magnum GP .10 - Image 1 of 4

    Clean!! Magnum GP .10

    $35.00
    $4.58 shipping
    ⁣⁣⁣6⁣⁣⁣⁣B⁣ ⁣W⁣⁣B⁣⁣⁣ ⁣X⁣⁣⁣⁣3⁣⁣ ⁣U⁣W⁣⁣ ⁣⁣7⁣
  • RC BEARINGS Thunder Tiger engine TT Pro 40 46 /TT 50 RL heli 56 BEARINGS ABEC3c3 - Image 1 of 3

    RC BEARINGS Thunder Tiger engine TT Pro 40 46 /TT 50 RL heli 56 BEARINGS ABEC3c3

    $6.75
    $5.27 shipping
    30 sold
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  • O.S. MAX 25FSR Engine OS Ogwa Seiki For Helicopters & 25-Class Pattern Models - Image 1 of 4

    O.S. MAX 25FSR Engine OS Ogwa Seiki For Helicopters & 25-Class Pattern Models

    $160.00
    $20.00 shipping
    ⁣1⁣⁣E⁣ ⁣P⁣W⁣⁣ ⁣3⁣⁣⁣⁣⁣2⁣ ⁣7⁣⁣C⁣⁣⁣⁣⁣ ⁣⁣N⁣⁣⁣
  • OS 46 AX engine 55 OS 46 FX 40 engine OS 50 FSR BEARINGS ABEC3c3 SAITO 82 FA 91 - Image 1 of 3

    OS 46 AX engine 55 OS 46 FX 40 engine OS 50 FSR BEARINGS ABEC3c3 SAITO 82 FA 91

    $6.95
    $5.27 shipping
    Only 3 left
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  • 1950's ? K&B Torpedo .15 Green Head Control Line Gas Model Airplane SN# 01915 #7 - Image 1 of 4

    1950's ? K&B Torpedo .15 Green Head Control Line Gas Model Airplane SN# 01915 #7

    $30.62
    Was: $87.50was - US $87.50
    or Best Offer
    $8.20 shipping
    ⁣⁣T⁣P⁣⁣⁣⁣⁣⁣ ⁣7⁣X⁣ ⁣⁣S⁣⁣⁣P⁣⁣⁣ ⁣K⁣⁣4⁣⁣⁣ ⁣1⁣
  • Enya 19-VI Model Airplane Engine W/Carburetor For Parts Or Rebuild - Image 1 of 4

    Enya 19-VI Model Airplane Engine W/Carburetor For Parts Or Rebuild

    $14.25
    $7.50 shipping
    0 bids
    20h 12m
    ⁣B⁣I⁣⁣⁣ ⁣N⁣M⁣ ⁣8⁣X⁣⁣ ⁣I⁣V⁣⁣⁣ ⁣H⁣Q⁣⁣⁣ ⁣5⁣⁣ ⁣⁣⁣
  • O.S. Engine Max 25SF Airplane ABC (New) with muffler Made in Japan - Image 1 of 4

    O.S. Engine Max 25SF Airplane ABC (New) with muffler Made in Japan

    $199.99
    or Best Offer
    $25.00 shipping
    ⁣⁣0⁣Y⁣⁣⁣⁣⁣⁣ ⁣3⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣E⁣ ⁣⁣O⁣H⁣ ⁣⁣
  • OS Max .25 FP R/C Engine And Muffler for Model Airplane Untested - Image 1 of 4

    OS Max .25 FP R/C Engine And Muffler for Model Airplane Untested

    (2)
    $49.99
    $7.99 shipping
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  • MAGNUM engine 91 XL RFS XL70 FS-AR 4C 80 ASP70 FS-R engine BEARINGS ABEC3c3EMQ - Image 1 of 2

    MAGNUM engine 91 XL RFS XL70 FS-AR 4C 80 ASP70 FS-R engine BEARINGS ABEC3c3EMQ

    $9.75
    $5.28 shipping
    Only 1 left!
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  • Sterling Engine Helicopter Model - Advanced 16-Cylinder Design - Image 1 of 4

    Sterling Engine Helicopter Model - Advanced 16-Cylinder Design

    $186.00
    or Best Offer
    Free shipping
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  • OHLSSON & RICE 1940s 32 RC Glow Fuel Engine/Motor W/Prop - Image 1 of 4

    OHLSSON & RICE 1940s 32 RC Glow Fuel Engine/Motor W/Prop

    $95.95
    or Best Offer
    $10.53 shipping
    Ѕ⁣M⁣2⁣p⁣o⁣ ⁣2⁣J⁣ ⁣n⁣s⁣o⁣U⁣0⁣r⁣ ⁣7⁣e⁣T⁣ ⁣d⁣D⁣F⁣ ⁣⁣Q⁣⁣⁣
  • New 30.5cc Reed Engine 10 HP - Image 1 of 4

    New 30.5cc Reed Engine 10 HP

    $325.00
    or Best Offer
    $8.70 shipping
    U⁣H⁣S⁣р⁣o⁣n⁣ ⁣s⁣X⁣o⁣r⁣7⁣e⁣d⁣⁣ ⁣⁣⁣X⁣⁣⁣H⁣ ⁣N⁣E⁣⁣⁣⁣
  • O.S. MAX 55HZ HYPER Helicopter Engine 15630 - Image 1 of 1

    O.S. MAX 55HZ HYPER Helicopter Engine 15630

    $319.00
    $25.00 shipping
    32 watching
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  • O.S. MAX 91 SX Engine SX-91 Helicopter Engine OS Ogwa Seiki R/C Airplane Engine - Image 1 of 4

    O.S. MAX 91 SX Engine SX-91 Helicopter Engine OS Ogwa Seiki R/C Airplane Engine

    $190.00
    $20.00 shipping
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  • Used OS Max Carb Carburetor #40D: Fits 40LA 46LA - OSMG2421 - Image 1 of 1

    Used OS Max Carb Carburetor #40D: Fits 40LA 46LA - OSMG2421

    (5)
    $22.85
    $6.92 shipping
    13 watching
    ⁣⁣⁣⁣M⁣C⁣⁣ ⁣⁣⁣⁣D⁣⁣8⁣⁣ ⁣C⁣H⁣⁣ ⁣⁣Q⁣⁣G⁣ ⁣⁣⁣I⁣
  • OS Engines 55HZ Hyper 40L .55 RC Nitro 2 Stroke Helicopter Engine 15630 - Image 1 of 3

    OS Engines 55HZ Hyper 40L .55 RC Nitro 2 Stroke Helicopter Engine 15630

    $354.99
    $11.99 shipping
    Only 2 left
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  • ENYA engine (Old) FS 90 120 Enya 60 3 ENYA engine mdl 733 60 BEARINGS ABEC3c3EMQ - Image 1 of 2

    ENYA engine (Old) FS 90 120 Enya 60 3 ENYA engine mdl 733 60 BEARINGS ABEC3c3EMQ

    $6.99
    $5.29 shipping
    13 sold
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  • OS Engines MAX-21TM W/ 11K Carb & T-Maxx Manifold RC Nitro 2 Stroke Engine 12240 - Image 1 of 4

    OS Engines MAX-21TM W/ 11K Carb & T-Maxx Manifold RC Nitro 2 Stroke Engine 12240

    $349.99
    $11.99 shipping
    Only 2 left
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  • OS Max engine FS 26 OS28 BEARINGS GMS 25 engine RC 32 /OS 30 FS BEARINGS ABEC3c3 - Image 1 of 2

    OS Max engine FS 26 OS28 BEARINGS GMS 25 engine RC 32 /OS 30 FS BEARINGS ABEC3c3

    $5.95
    $5.25 shipping
    39 sold
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  • Vtg Cox .049 Airplane Engine Black Widow? with TeeDee box, piston moves ATRC3 - Image 1 of 4

    Vtg Cox .049 Airplane Engine Black Widow? with TeeDee box, piston moves ATRC3

    $124.00
    or Best Offer
    $9.80 shipping
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  • O.S.MAX-70SZ-H 11.5cc 2 cycle glow engine for R/C helicopters New f/s - Image 1 of 4

    O.S.MAX-70SZ-H 11.5cc 2 cycle glow engine for R/C helicopters New f/s

    $240.55
    or Best Offer
    Free shipping
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  • O S Surpass FS-120 Four Stroke Nitro NOS Engine & Muffler No Paperwork W Box - Image 1 of 4

    O S Surpass FS-120 Four Stroke Nitro NOS Engine & Muffler No Paperwork W Box

    (4)
    $350.00
    or Best Offer
    $19.60 shipping
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  • O.S. Engine Max 32SX-H Ring (Recoil Starter version) New Made in Japan - Image 1 of 4

    O.S. Engine Max 32SX-H Ring (Recoil Starter version) New Made in Japan

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