I wouldn’t buy a GMS I heard the seals are rubbish and draw in air not long after
Run in so it will not cut out and make it throttle badly. Super tigers are great but heavier than most engines.
The fp 60 has 1.6 hp but the weight is like a 46 or 52 with the bush bearing you save a lot of weight and they are compact also the reliability and ease of use are are at a level that I
Have seen no other glow engine come close to.