Aircraft
Trainer Aircraft
Sport Aircraft
Electric Sport Aircraft
IC Sport Aircraft
Scale Civilian Aircraft
Electric Scale Civilian Aircraft
IC Scale Civilian Aircraft
Scale Military Aircraft
Electric Scale Military Aircraft
IC Scale Military Aircraft
3D Aircraft
EDF Jet Aircraft
Gliders & Motor Gliders
Electric Glider Aircraft
Glider Aircraft
Indoor & Micro Aircraft
Micro Aircraft
Seaplane Aircraft
Turbine Jet Aircraft
Free-Flight Aircraft
Glider Free-Flight Aircraft
Rubber Free-Flight Aircraft
Helicopters
Electric Fixed Pitch
Contra-Rotating
Helicopter Accessories
Heli Main Blades
Heli Miscellaneous
Heli Paddles
Heli Starting Accessories
Heli Tail Blades
Multirotors
Multirotor RTF
Cars
1:18 and 1:16 EP Cars
1:10 EP Cars
1:10 GP Cars
1:8 EP Cars
1:8 GP Cars
Car Accessories
Car Bodies
Trains (Live Steam)
Boats
RC Bait Boats
RC Electric V Hull Boats
RC Electric Catamaran Boats
RC Electric Racing Boats
RC Yacht
Boats Fittings Kits
Marine Accessories
Boat Propellers
Simulators
RC Simulators
Simulator Upgrades
Simulator Add-Ons
Simulator Leads
Engines &
Accessories
2-Stroke Glow Engines
2-Stroke Glow Aircraft Engines
2-Stroke Glow Car Engines
2-Stroke Glow Helicopter Engines
2-Stroke Glow Marine Engines
4-Stroke Glow Engines
Petrol Engines
Multi Cylinder Engines
Engine Accessories
Air Filters
Engine Mounts
Engine Test Stands
Fuel Tanks and Accessories
Glow Plugs
O.S. Accessories - General
Silencers & Exhausts
Wrenches & Plug Spanners
Starting Equipment & Flight Boxes
Field Boxes & Carrying Cradles
Power Panels
Starter Accessories
Starters
Tachometers
Aircraft
Accessories
Free Flight
Propellers & Spinners
Multirotor Propellers
Propellers
Spinners & Prop Nuts
Adhesive Tapes
Catches
Cockpits
Instruments
Pilot Figures
Control Line
Hardware
Bolts
Inserts
Nuts
Pins
Screws
Turnbuckles
Washers
Hinges
Flat
Flexible
Hinge Tape
Round
Special
Lights
Linkages
Ball Links
Clevises
Closed Loop
Horns
Other Connectors
Pushrods
Snakes
Model Stands/Cradles
Undercarriages
Axles
Fixed
Oleos
Retractable
Steering Arms
Wheels
101-125mm
26-50mm
51-75mm
76-100mm
Over 126mm
Retainers
Skis
Up to 25mm
Wheel Accessories
Wing Fixings
Bands
Bolts & Nuts
Other
Radios &
Accessories
Radio Systems
27MHz
40MHz
DHK 2.4GHz
Futaba 2.4GHz FASST
Futaba 2.4GHz FASSTest
Futaba 2.4GHz FHSS
Futaba 2.4GHz S-FHSS
Futaba 2.4GHz T-FHSS
Futaba 2.4GHz T-FHSS SR
Joysway 2.4GHz
Receivers
27MHz
35MHz
40MHz
DHK Rx 2.4GHz
Futaba Rx 2.4GHz F-G4
Futaba Rx 2.4GHz FASST
Futaba Rx 2.4GHz FASSTest
Futaba Rx 2.4GHz FHSS
Futaba Rx 2.4GHz S-FHSS
Futaba Rx 2.4GHz T-FHSS
Futaba Rx 2.4GHz T-FHSS SR
Jeti Rx 2.4GHz
Joysway Rx 2.4GHz
Receiver Accessories
ST Model Rx 2.4GHz
Servos
Brushless Servos
Digital Servos
HV Servos
Industrial Servos
Mini/Micro Servos
Servo Accessories
Standard Servos
Power Management & Redundancy
Gyros & Governors
Sensors
Radio Electronics
Fail Safe Units
Radio Modules
2.4GHz Futaba T-FHSS
2.4GHz Jeti
AM40
Flyzone Anylink
FM35
FM40
Datalogging/Telemetry
Cameras
Leads & Switches
Lead & Switch Accessories
Lead Lock/Clips
Leads & Switches - Futaba Type
Leads & Switches - JR Type
Leads & Switches - Sanwa
S-BUS Leads
Satellite RX Leads
SVi Leads
Trainer Leads
Crystals
Cirrus Crystals - 35 Mhz
Cirrus Crystals - 40 Mhz
Frequency Pennants
Futaba Crystals - 27Mhz AM
Futaba Crystals - 35Mhz FM
Futaba Crystals - 40Mhz AM
Futaba Crystals - 40Mhz FM
Ripmax Crystals - 40Mhz FM
Radio Accessories
Futaba TX Accessories
TX Aerials
TX Carry Cases
Tx/Rx Chargers & Checkers
Voltage Regulators
Motors, Batteries
& Chargers
Battery Retaining
Brushless Motors
Brushed Motors
Motors Gear Box Combos
Gear Boxes
Speed Controllers
ESC Brushed - Aircraft
ESC Brushed - Boats
ESC Brushed - Car
ESC Brushless - Aircraft & Heli
ESC Brushless - Boat
ESC Brushless - Car
Motor Mounts
Electric Motor Miscellaneous
Lithium Polymer Batteries (Li-Po)
1S (1 Cell) 3.7v Li-Po
2S (2 Cell) 7.4v Li-Po
3S (3 Cell) 11.1v Li-Po
3S (3 Cell) 11.55v Li-Po HV
4S (4 Cell) 14.8v Li-Po
4S (4 Cell) 15.4v Li-Po HV
5S (5 Cell) 18.5v Li-Po
6S (6 Cell) 22.2v Li-Po
Lithium Polymer Car Batteries (Li-Po)
Lithium Phosphate Batteries (Li-Fe)
NiMH / NiCd Batteries
4.8V Battery Packs
6V Battery Packs
7.2V Battery Packs
8.4V Battery Packs
9.6V Battery Packs
Single Cells
Sealed Lead Acid Batteries
Li-Po Charging Bags
Chargers & Accessories
Balancers
Charger Power Leads
Chargers - AC (Mains)
Chargers AC/DC (Both Mains & 12V)
Chargers DC (12V)
Charging Leads
Power Supplies
Connectors
Adaptor Leads
Heat Shrink
Heat Shrink Sleeve
Heat Shrink Tubing
Cable
Crimping Tools
Materials
Ball Bearings
Carbon
Carbon Rod
Carbon Tissue
Carbon Tube
Coverings
AERO Film Covering
Glosstex - 27"x10m (680mm X 10m)
Glosstex - 27"x2m (680mm x 2m)
Solarfilm - 26x50" (670x1270mm)
Solarspan - 26" X 6Ft (670mm X 1.83m)
Solartrim - 36x12.5" (914x320mm)
Tissue
Trimline (8 Widths x 2.5m)
Fibreglassing Materials
Glassfibre Cloth
Fillers
Glue, Epoxy and Resins
Deluxe Glues And Fillers
Fillers
Grip Adhesives & Finishing Materials
Milliput Putty
Other Glues
Resins
Thinners/Dopes/Sanding Sealer
Thread Lock
ZAP Adhesives
Hook and Loop
Media / Catalogues / Manuals
Metals
Aluminium Rod
Aluminium Sheet
Aluminium Streamline Tube
Aluminium Tube
Brass Angle
Brass Channel
Brass Rectangular Tube
Brass Rod Solid
Brass Round Tube
Brass Sheet
Brass Square Tube
Brass Strip
Brass Tube
Copper Rod
Copper Sheet
Copper Tube
Metal Assortments
Piano Wire
Tin Sheet
Oils & Greases
Paints
Pactra R/C Acryl - Brushing
Pactra Racing Finish - Aerosol
Pactra Racing Finish - Brushing
Pactra/Testors Clear Coat Lacquers
Solarlac Paint
Plastics
Plasticard
Plastruct Angle
Tapes
Thinners
Wood
Balsa Block
Balsa Bundles
Balsa Dowel
Balsa Leading Edge
Balsa Sheet
Balsa Strip
Balsa Trailing Edge
Balsa Triangle
Beech Wood Bearers
Liteply
Obechi Strip
Plywood
Ramin Dowel
Spruce Sheet
Spruce Strip
Tools
Airbrushing
Airbrush Accessories
Airbrush Compressor Parts
Airbrush Compressors & Gas
Balancers & Gauges
Clamps & Vices
Clothing & Memorabilia
Cutting Tools
Cutting Matts & Building Boards
Knives
Planes
Saws
Scissors & Shears
Specialist Cutting Tools
Drilling, Tapping & Threading
Hand Tools
Allen Keys & Drivers
Ball Link Tools
Hammers
Pliers & Cutters
Reamers
Rulers
Screwdrivers
Tube Tools
Wrenches
Helping Hands
Model Storage
O.S. Genuine Tools
Rotary Tools
Rotary Tool Bits
Routing
Routing
Sanding & Files
Large Files
Sanding Block
Sanding Paper
Sanding Sets
Sanding Sticks,Belts & Bands
Sanding Strips
Slotters
Small Files
Tool Sets
Wiring & Soldering
Heat Guns & Irons
Hook And Loop & Tie Wraps
Paint/Epoxy Brushes & Mixers
Spares
Aircraft Spares
ARC Aircraft Spares
ASM Aircraft Spares
Axion Aircraft Spares
Black Horse Aircraft Spares
Boomerang Jets
Chris Foss ARTF Aircraft Spares
E-Do Model Aircraft Spares
Flying Legends Aircraft Spares
Great Planes Aircraft Spares
Irvine Aircraft Spares
Jet Sport Model Spares
Joysway Aircraft Spares
Keil Kraft Spares
Nine Eagles Aircraft Spares
Phase 3 Aircraft Spares
Phoenix Aircraft Spares
Ripmax Aircraft Spares
ST Model Aircraft Spares
Starmax Aircraft Spares
Super Flying Model Spares
TechOne Aircraft Spares
Thunder Tiger Aircraft Spares
Wattage Aircraft Spares
ZT Model Spares
Helicopter Spares
Axion Helicopter Spares
EF Helicopter Spares
Hirobo Helicopter Spares
Minicopter Helicopter Spares
Nine Eagles Helicopter Spares
Ripmax Helicopter Spares
Thunder Tiger Helicopter Spares
Multirotor Spares
UDI Multirotor Spares
Cars Spares
CEN Car Spares
DHK Car Spares
FG Car Spares
HPI Car Spares
Maverick Car Spares
Ripmax Car Spares
River Hobby Car Spares
Tamco Car Spares
Thunder Tiger Car Spares
UDI Car Spares
XTM Car Spares
Trains (Live Steam) Spares
OS Porter Train Spares
OS T5 Train Spares
Boat Spares
Aquacraft Boat Spares
Compass Boat Spares
Fishing People Boat Spares
Irvine Boat Spares
Joysway Boat Spares
Ripmax Boat Spares
Thunder Tiger Boat Spares
UDI Boat Spares
Vantex Boat Spares
Radio Spares
Cirrius Spares
Futaba Radio Spares
Great Planes Radio Spares
New Power Servo Spares
Ripmax Radio Spares
River Hobby Radio Spares
Saturn Radio Spares
Tonegawa Seiko Spares
Charger Spares
Ripmax Charger Spares
Discontinued Engine Spares
Electric Motor Spares
OS Electric Motors Spares
Ripmax Quantum II Spares
Engine Spares Four Stroke
Engine Spares Multi Engines
Engine Spares Petrol
Engine Spares Rotary
Engine Spares Two Stroke
Misc
TY1 Spares
Ziroli Dauntless 1/5 Retract Spares
Dealers
Search
Related Categories
Spares
Engine Spares Petrol
GF-40
SSP: £
57.50
Part No:
X-OS49403200
OS GF40 - Piston
This is a spare part/accessory for the following item(s).
£1199.99
L-OS39400
OS GF40 Petrol with F-6040 Silencer
The GF40 is the first ever OS four-stroke petrol engine and is designed to offer the benefits of four-stroke operation to a new size of model. That softer, scale sound can now be used in models design...
Tweet
HOW TO PURCHASE THIS PRODUCT
You can purchase this product from any authorised Ripmax dealer from our network across Europe. To find the closest dealer to you, please consult our dealer directory by clicking HERE.
