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OS Max-H 40 model engine, converted to spark ignition by David Owen in around the early 1980s. This is the first of nine of these custom 40s, which Dav… | Modelbouw
OS 40 MAX H - RCU Forums
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NEW OLDER OS MAX 40 SF R/C MODEL AIRPLANE ENGINE wBOX MUFFLER | #1796773204
OS MAX 40-H motor - RCU Forums
OS Engines OS MAX 40F SR (40FSR) With Scilencer - Brand New In Box - Gas Engine for RC Flying Model Aircraft
OS MAX 40 SF Ringed Model airplane Engine Rebuild New Bearings - YouTube
O.S. Max LA 40 Two Stroke Glow Engine for RC Aircraft – TechToysLK
OS MAX FP 40 R/C model engine w/muffler, clean, runs | #75037190
OS Max-H 40 RC (2)
OS MAX V 40 ENGINE RC REAR EXHAUST | #131124488
Ultimos Motores · J.M. Rojo Model Engine Collection
Graupner,OS MAX 40 LA,1885 - Hobbydirekt Modellbau e.K.
OS Engine - OS max 40 FSR - New | eBay
OS MAX FP 40 - Strip, Clean & Run - Early 1990's Glow Engine - YouTube
OS MAX 40-H -S40 & 40 R/C Engine Instruction Sheet Manual~Parts List & Numbers | eBay
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OS Max 40FP
OS Engine - OS max 40 FSR - New | eBay
