yea the 180 is liter. but it was late and put the 180 in the wrong plane . got to quit assembling 2 at a time. yes mine is liter. his is the old glow plug in front. about 14 years old. i run duralite packs carbon gear canopy. whats the ys 110 and u can do any good. turns about the same as the 150 or 180 pulls like heck on the razzle.