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4 Stroke Methanol
Color Changing Paint Orange / Purple / Teal Aerosol 3.5oz has been added to your Cart
The OS Engine OS FS-64V 4-stroke engine sets a new standard for basic 4-cycle engines. It is designed for sport or scale models and comes with an F-4051 exhaust and an F-type spark plug.
Features
Newly designed cylinder head is adopted along with the increased displacement
Internal capacity of the combustion chamber has been expanded to…
Overview
The 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 amplitude sound for scale planes
1.68 hp @ 10,000 rpm output
Functions best between 2,100 – 11,000
Tough aluminium pushrod…
Overview
How do you get 200-size power from a 120-size engine? O.S. calls it the FS155-a. Since the FS155-a is a pumped 4-stroke, you’ll enjoy 2.6 hp at all times, regardless of tank position, attitude or fuel level. Its novel recirculation system bathes working parts in constant lubrication, for less friction…
Give your 40-size plane the FSa power advantage!
Mount the FSa-56II in your model, and see the difference advanced O.S. 4-stroke technology makes! Those benefits include a higher performance ceiling for sport flyers and more realistic flight for scale pilots. Plus, you'll also enjoy rich, deep sound that will enhance your…
Overview
O.S. leads the way in advanced 4-stroke engine technology, and you’ll see for yourself when you mount the FSa-72II in your model! Sport flyers will enjoy greater performance, while scale pilots will experience more realistic flight. Plus, everyone will benefit from the FSa-72II’s deep, rich sound.
Features
The adjustable F5030 muffler can…
Product Features Same mounting dimensions as OS91 1.00-size in a .91-size caseProduct DescriptionWant even more punch than even the Saito FA-91S can offer? Then look no further than the Saito FA-100 which gives even more power for a similar size and a marginal increase in weight.
The re-designed case shares the…
Features
• Less weight but more thrust
• 10 ounces lighter than the FA-120
• Turns an APC 16x6 at 9,000 rpm
• 13mm Muffler threads
Needed To Complete
Propeller: 16x6
Overview
Only Saito could put 1.25 cubic inches of power into a 1.00-size case. Not only is…
Features Incredible power—2.5 horsepowerAPC 16 X 8 over 9,000 rpmSame dimensions and weight as 1.20-size enginesStronger and more modern crankcase than the previous versionOverview The 1.50S is actually a bored-out 1.20S for an incredible power-to-weight ratio. With over 20% greater displacement, the 1.50S…
Features
Turns a 16x8 prop at 9,600 rpm on 15% fuel
Will fit into most 1.20 - 1.50 size airplanes
AAC construction for lighter weight and increased longevity
Overview
Saito's FA-180 engine is fast becoming the pilots choice for powering 1.20 size airplanes. The FA-180 offers…
Special engines for special aeroplanes!
The FA-30S is well suited to small or medium size aircraft and provide an ideal introduction to four stroke power.
Key Features
Great 4-cycle sound
Distinctive adjustable muffler
Air bleed carb provides smooth idle
Overview
The Saito .30…
Product Features
Will swing a 10 x 4 prop at 10,500 rpm
Smaller case design for lighter weight
Similar case size as a .30, but packs more power
Product Description
Give your 30 size aeroplane a real boost in performance with this high power to weight ratio engine. With similar mounting dimensions…
Special engines for special aeroplanes!
Features
.62 cubic inches of power in a .56-size case
Unitized cylinder and head
Integrated head transfers heat more easily and evenly
Turns an APC 13 x 6 prop at 9900 rpm
Installs easily in all .40–.72 models
Unique champagne color drive washer
True chrome…