Features Traditional 4-stroke benefits with the ease and economy of gasoline power Fits on the same beam mount as the GT22 Quick, powerful throttle response Rear-mounted O.S.-designed carb with PD-08 fuel pump Lightweight IG-07 ignition module...

Features Equipped with original designed 61HA carburetor and PD08 bump system. Extreme low gasoline consumption. 400cc gasoline equal 30 minutes hovering. Upgrade parts for TREX 600N The OS Engines GT15HZ600- 50 class engine is for electric 6...

Features With same crankshaft thread from 50SX and 55HZ, GT15HZ600 is compatible with 50 class fan and clutch. Equipped with original designed 61HA carburetor and PD08 bump system. Extreme low gasoline consumption. 400cc gasoline equal 30 minute...

Features Linerless cylinder with the cylinder head integrated with the cylinder, this arrangement allows for extremely precise intake/exhaust timing and very high scavenging efficiency resulting in higher output IG02 electronic ignition system ca...

Features Hardened steel crankshaft Easy tuning 10G carburetor Fuel inlet that points up allows for easier fuel line access for fueling and defueling Backplate mounted remote needle valve for easier and safer tuning More cooling fin area extend...

FeaturesThe O.S. Max-55-AX-GP engine has a compact body that enables it to be fit within most cowls. It is a high performance two stroke engine designed for sport and aerobatic models. It features a 40K carburettor needle valve assembly that has now ...

Features Featuring the displacement of a 1.05 in the mounting space of a .90. More displacement means more power, and these engines boost displacement by 15%! A huge venturi boosts output even further. The machined, blue anodized heatsink head ...

Features A beautifully CNC machined crankcase and head Matching plating on the carburetter Matching plating on the glow plug Black anodised prop washer and prop nut Matte black silencer Laser engraved back plates Individual serial numbers ...

Features * 4stroke engine with pump. * Front and rear bearings sealed and greased internally to prevent corrosion. * Cubic capacity of 19.70 cc. * With included silencer of new design (F6010) and handle for the silencer. * Recommended use of t...

This OS Engines T-2060SC tuned pipe & silencer combo is designed for the B2101 engine....

OS Engines Tuned Silencer T-2090sc Complete Set  ...

Features Includes a T-2080SC tuned pipe 1/8 onroad racing engine STEEL MainBearing for better torque. New Crankshaft. New improved sleeve and underhead. O.S. SPEED R2103 will offer you more low to mid-range torque, which eventually expands ...

Features 4mm lower cooling head lowers centre of gravity for improved handling Slide valve carburetor with 7mm venturi insert for greater power and less fuel consumption Performance that goes above and beyond Champion driver Ty Tessmann firml...

Features Based on OS SPEED B 2101, 5.8 mm carburetor reducer compatible with fuel efficiency performance is included as standard. Adopts a 90 mm long manifold, contributing to fuel economy in addition to stable idling Silver anodised finish heat...

OverviewLooking for a champion buggy Nitro engine? Look no further! Features 4mm lower cooling head lowers center of gravity for improved handling Slide valve carburetor with 7mm venturi insert for greater power and less fuel consumption Tuned ...

Features Based on OS SPEED B 2101, 5.8 mm carburetor reducer compatible with fuel efficiency performance is included as standard. Adopts a 90 mm long manifold, contributing to fuel economy in addition to stable idling Silver anodised finish heat...

OverviewFor large-scale RC planes, the GT-60 from OS Engines is a superb choice; giving you the performance you need to succeed. Features Linerless cylinder with the cylinder head integrated with the cylinder, this arrangement allows for extremel...

Features Overall tighter needle valve fit utilizes an "O" ring to help maintain the performance levels you need A fuel inlet that points up allows for easier fuel line access for fueling and defueling More cooling fin area extends the life of ...

Features Uses a glow plug instead of a spark plug for ignition Simple starts using a glow driver – no ignition module required Uses a typical 50:1 fuel:oil mixture Features a 61H carburetor with PD-08 pump system Equipped with special sh...

Tamiya designers have given this re-released Boomerang a makeover replacing older, harder to assemble parts with modern equivalents, but still keeping true to the spirit of the original Boomerang. The combination of these new improvements such as th...

OverviewThe 95AX Engine from O.S. Engines is a powerful addition to your aerobatic and/or large-scale RC plane. Features The 95AX Engine from O.S. Engines is an excellent choice for your remote control plane. This popular-sized engine gives you ext...

Features Same mount size as the 46AX and 55AX Dual chamber silencer included for optimal performance and low noise Designed to use 33:1 gasoline/oil blend Easy to start using a traditional glow starter The O.S. GGT-10 uses the latest in mode...

Features Fits the same mount and bolt pattern as the 61FX. The angular head design looks great and significantly increases surface area for better cooling. Includes the new Power Box™ muffler, designed with more volume for increased power ...

OverviewFaster starts and better fuel economy - just some of the benefits you can expect from the OS Engines GT22. Features Beam mounting for easy installation in planes designed for glow power Pitts style muffler has been reinforced at seams, b...

Features Same mounting dimensions as the O.S. .32SX and .25FX Weighs only 0.35oz (10g) more than the .32SX Advanced Bi-Metallic Liner. Newly designed E-3080 Power Box muffler generates mild and pleasant sound and is constructed with an O-ring b...

OverviewA excellent addition to your model, the GF40 from OS Engine combines the economy of a gasoline engine with the power of a 4-stroke. Features Offers traditional 4-stroke benefits with the ease and economy of a gasoline engine Quick, power...

OverviewThe OS Engine FS-95V W/F-5050 Silencer is the perfect partner for any scale airplane. Features 592g engine & 58g muffler – great power, light in weight Unique head design, angled valve layout & individual valve covers Low ...

OverviewFor large scale models the OS GT33 petrol/gasoline engine is a superb choice. Quality, performance and reliability are a certainty when you choose the OS GT33. Features One of the most powerful engines in this class Electronic ignition (...

Features Ideal for trainers, sports planes and scale aircraft Mounts in the same space as the 61FX ABL for easy drop-ins The 65AX is 1.9 ounces lighter than the 61FX. Newly designed 61D carburetor features an angled needle for safety. Includes...

Features Same mounting dimensions as the O.S. Max .46 AX Power Box positionable muffler Angular head design offers increased surface area for better cooling 40J Carburetor with diagonally placed Needle Valve eliminating Remote Needle Valve plac...