It's a four stroke. It's a petrol with all the cleanliness and economy that comes with it and it's an OS. Not a lot to dislike here!
Supplied with ignition unit and silencer.
A superb engine that will give years of trouble free life. It is after all an O.S.!
To download a PDF of the parts listing please click here
Spares and Accessories for your O.S. Engine
If you need any spares or accessories for your engine that are not listed on the site please contact us for a price and availability.