believe it thats what the engine box says on the outside. this is about a 11 year old engine{ 4 stroke} that has never been run every thing complete in boxing, muffler,needle ect what a buy at 140.00 firm the new .62 is 289.00 at pinnacle,,,,just to compare. jim 905 898 7078 c 289 231 7078 ps same performance as .46 2 stroke or a little better at lower rpm bigger prop