OS Engine - OS max 25 RC Motor - Nice Motor

OS Max 25 RC Motor, Muffler, Remote Control Made in Japan

OS Engine - OS max .32SX with Muffler RC Glow Helicopter Motor

OS Engine - OS max 25 FP RC Motor - Nice Motor

OS Engine -OS Max 40 SR, RC Motor with Muffler-Japan-Untested

Vintage 70s Motor OS Max-H 40 R/C Engine w Muffler Original Box MINTY

OS Engine - OS max 61 FSR ABC RC Motor - 7D Carburetor NICE

OS Engine - OS max 40 FP with muffler and motor mount -Harry's heavy hub Nice!