WebMay 1, 2008 · YS Engines Support - 91AC or 91FZ - Hi Troy, Since both engines use the same crankcase marked 91AC, is there a visual way to tell the 91AC and the 91FZ engines apart? Paul WebSep 19, 2016 · YS Engines Support - Ys 91fz - I recently acquired a 91fz. what size is the exhaust header?im missing one of the lock nuts. what is confusing me is that there is a bushing in the engine that reduces the header size.the …
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WebEnya SS40 BB TN RC any good? Whys it quitting? 3 hrs, trying to tune a Tower .46! ST 2000 glow plug threads stripped_Any fix? Which is worse? Mount for Saito 100; Engine Woes; Engine repair? Sealing mufflers; Fuel/oil in rocker cover of YS.91FZ? Mounting big Saito; Ever seen a Saito do this? OS 46FX vs OS 46SF; YS 63 problems; Norvel 15 exhaust ... WebYour Official Home for Pattern/F3A Airplanes, Equipment, and Accessories - The World's Best Airplanes from the World's Best Designers. Fly with the Best! Official Home of YS Engines! All Engines and Parts Available for Purchase. The ONLY Official YS Service and Repair Center in the USA. small towns in sicily italy
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WebMar 27, 2013 · I thought about this project for some time. Finally, I decided a gas compatible version of the original regulator would work best. I built a new regulator an... WebOct 8, 2024 · This lowers your cable count by one! This setup would also support LV systems, but you would need to use an external regulator at Source 1 input. However, PowerBox makes a redundancy switch that has built in dual regulators that support both HV and LV systems. HV System Block Diagram. The picture below is a redundant setup that … WebDec 6, 2013 · A YS muffler worked for me to quiet an old, Testor Series 21 .40 Black Head CL engine without significant power loss. Combination is a little heavy, but on the right CL plane (preferably a pre-1950's ignition CL) should work really fine. I only have experience with the YS pattern engines, but they were great. small towns in south carolina to retire