This one of the older style meths burners phased out in 1977 in the U.K. This was for safety reasons as solid fuel that followed was not going to run on the floor and catch fire! Mamod no longer therefore make meths burners, but we have sourced excellently made high quality burners for older engines. These carry our normal no-quibble guarantee so you can buy with complete confidence. These burner trays were made for the SP3 engine. Just one thing to remember; todays meths does not burn so hot as in the old days and so just possibly, your engine will not run quite so powerfully. If this is going to be a problem, you can use the current type of burner with solid fuel.If you are in doubt about anything in connection with this item or the model it is intended for, why not email us with your question before you make your purchase. We will be very happy to help you - and we always respond quickly!