O.S. MAX FX .91 2-stroke glow engine,  Made in Japan, with muffler, user manual, glow plug, and box.

Extra power in a .60 size model, fits the same mount.  2.8hp.  Higley nut included.

Ringed engine, no nickel liners to peel or costly rebuilds down the road.  

I am including an extra set of STAINLESS STEEL bearings with this sale.