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BCMIEV20RC - BCM 5619

BCMIEV20RC - BCM 5619

75.58

BCM Inverted muffler for the Evolution 20cc petrol engine with a cut away for round cowl. Dimensions: A=90mm D=64mm L=115mm W=30mm. The exhaust flange is 12mm thick.
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BCMWADL55 - BCM 10514

BCMWADL55 - BCM 10514

144.00

Wrap Around Inverted muffler for DLE55 with extra noise reduction. Dimensions A=3mm, B=76mm, C=25mm D=50mm. The exhaust flange is 10mm thick.
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BCMIDL35 - BCM 10506

BCMIDL35 - BCM 10506

78.60

BCM Inverted muffler for the DL35 rear exhaust. Dimensions A=76mm B=51 C=115mm. The exhaust flange is 10mm thick.
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BCMIOSGT33 - BCM 4034

BCMIOSGT33 - BCM 4034

75.58

BCM Inverted muffler for the OS GT33cc petrol engine. Dimensions A=76mm D=82mm L=102mm W=32mm. The exhaust flange is 32mm thick.
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Zenoah G800BPU 80cc Flat Twin Aero Engine

Zenoah G800BPU  80cc Flat Twin Aero Engine

599.00

!!<Specification:

Cylinder displacement: 79.9 cm / 4.88 cu.inch
Cylinder bore: 40.5 mm / 1.59 inch
Cylinder stroke: 31 mm / 1.22 inch
Power output: 4.34 kW
Carburettor: ...
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Zenoah G62PU 62cc Aero Engine

Zenoah G62PU  62cc Aero Engine

310.00

!!<Specification:

Cylinder displacement: 62 cm / 3.78 cu.inch
Cylinder bore: 47.5 mm / 1.87 inch
Cylinder stroke: 35 mm / 1.38 inch
Power output: 3.15 kW
Carburettor: ...
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G450PU 45cc Aero Engine

G450PU 45cc Aero Engine

299.00

45cc Side exhaust petrol Engine with Zenoah Magneto ignition as standard !!<Specification:

Cylinder displacement: 45 cm / 2.75 cu.inch
Cylinder bore: 43 mm / ...
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Zenoah G380PU 38cc Rear Exhaust Aero Engine

Zenoah G380PU  38cc Rear Exhaust Aero Engine

238.00

38cc rear exhaust engine with magneto ignition as standard !!<Specification:

Cylinder displacement: 37.4 cm / 2.28 cu.inch
Cylinder bore: 38 ...
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Zenoah G260PU 26cc Aero engine

Zenoah G260PU  26cc Aero engine

244.00

!!<Specification:

Cylinder displacement: 25.4 cm / 1.55 cu.inch
Cylinder bore: 34 mm / 1.34 inch
Cylinder stroke: 28 mm / 1.1 inch
Power output: 1.62 ...
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1/8 Robart "T" couplers (pack of four)

6.50

For joining fuel tube good for glow or petrol. !!<Glow OnlyPetrol Only Suitable for Glow fuel ...
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3/32 Robart "T" couplers (pack of four)

3/32 Robart

6.50

For joining fuel tube good for glow or petrol. !!<Glow OnlyPetrol Only Suitable ...
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Multi cylinder glow start

Multi cylinder glow start

156.00

The perfect solution for starting your multi cylinder glow engine without the need for an on-board glow system or a massive battery pack. It is powered by ...
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Three Cylinder Glow Driver

Three Cylinder Glow Driver

60.00

The compact unit operates 3 glow plugs independently using a single cell LiPo or 3 cell NimH battery. The switch-on point is programmable and the unit will automatically turn the plug ...
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Electric smoke pump

Electric smoke pump

46.50

A powerful self priming pump that plugs straight into a switched channel on your receiver. No need for an external power supply. The diaphragm pump works ...
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X-OS25830010 OS Engine Crankshaft Bearing(R)50H/55AX/55HZ

22.99

OS Engine Crankshaft Bearing(R)50H/55AX/55HZ
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OS GF40 Four Stroke Petrol Engine

Just Engines Online | Petrol Engines | OS Petrol Engines |  OS GF40 Four Stroke Petrol Engine

OS GF40 Four Stroke Petrol Engine.

OS GF40 Four Stroke Petrol Engine.

Price: 610.00 (Including VAT at 20%)

Quantity:




This the first four stroke Petrol from OS engines. It dose exactly as it says, you get the benefits of a petrol; economy, reliable tick over and cleanliness in a four stroke.




  • Quick, powerful response makes it an ideal choice for aerobatic as well as scale models.
  • Perfect for scale aircraft, with a deeper exhaust tone that mimics the sound of full-size aircraft.
  • Features the GT33s mounting bolt pattern and mount-to-drive hub distance.
  • Outstanding fuel economy - runs on a mix of engine oil and standard petrol.
  • Rear-mounted carb designed by O.S. & Walbro.
  • Lightweight ignition module accepts NiCd, NiMH, LiPo or LiFe battery power.
  • Muffler and integral backplate mount included.
  • PCV (Positive Crankcase Ventilation) system recirculates blow-by gas and oil waste for a cleaner engine and environment.


Displacement:2.438 cu in (39.96 cc)
Rpm Range: 1800-9000
Output: 3.75 hp @ 8600 rpm
Weight: Engine:41.3 oz (1170 g) / Muffler:4.0 oz (113 g) Ignition Module:3.4 oz (95 g)
Includes: F-6040 muffler assembly, ignition module & CM-6 spark plug
Recommended props: 13x8, 13x9, 13x10, 13x11, 14x8, 14x9, 14x10, 15x6, 15x7, 15x8

Parts and Sizes

Parts and Sizes

click image or here for parts explosion PDF

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