Rc how to repair a ys-91fz youtube

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August undefined, 2024

WebFeb 5, 2024 · Just bought a NIB YS .45. Any help on where to get a muffler or spare diaphragms would be appreciated. I bought a Jett .46 years ago and this was the other option.

Nitro 4 stroke Engine Tuning questions (YS 91FZ) - RC Groups

WebStripped Cyl. Head bolt repair; YS .63 or YS .63S; Saito 91s version 2000; YS63S PROP SELECTION; Bearings-Brass cage vs steel cage; 4 stroke timing; Wattage cap 232 and AP .09 -Prop choices; Irvine 53...I love this engine; Setting the throttle linkage; irvine 36 blast from the past; 0S .10 FSR -PITTS MUFFLER ? ys 120 ac won't lean out. Way too rich WebSep 19, 2016 · The 91FZ is a little stronger than the 91AC. Some YS FZ91's had their piston ported. If you are not getting a good response from adjusting the regulator, it could be the piston ring (seal) is worn. If this is the case, you may need to replace the ring and ideally get the piston ported. chubby asian guy

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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... 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 ... 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 … design by lee ct

Ys fz-91 - RC Groups

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. WebApr 24, 2016 · Aircraft - Fuel - General Engines Question YS FZ91 Questions Engines Question YS FZ91 Questions design by leannhttp://www.julton.net/Fact%20Sheet%20YS%20Engines.html design by laimonda

"WebOct 25, 2006 · There is no pump on a YS .91. The crankcase pressure pressurizes the fuel tank, the check valve keeps the tank pressure from going back into the engine. The tank must be pressurized for the engine to run. What you might be mistaking for the pump is a pressure regulator, it simply meters the pressurized fuel going to the carb. " - Rc how to repair a ys-91fz youtube

Rc how to repair a ys-91fz youtube

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 … WebJul 25, 2013 · Dieselized User. The YS fuel system is pressurized, but should never leak fuel. It must be pressurized to run at full throttle or well at all. If it's leaking fuel, the regulator plunger (needle) isn't seating. This could be due to dirt in the regulator or a …

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WebApr 2, 2016 · Play that funky music right. The YS 91 will produce power ( more or less) the same as a 120 naturally aspirated engine. It will swing a 15X8 at about 9500 RPM. The tune a bit different than your Satio but once tuned seldom require adjustment except for wide temperature swings or a change in nitro content fuel. WebDec 17, 2002 · ARF or RTF - ys.91fz - Am using a master airscrew 16x6 on a ys.91fz and turning 8700 to 9000rpms. Thrust cacluator says 16lbs of thrust. Using this combo on a …

WebMar 17, 2003 · YS Engines Support - Disassembling YS91FZ - Hi Dave, I'd like to disassemble my YS91FZ to just inspect and clean it (it's into its first 5 months of running now) but as … WebJul 27, 2024 · If you are new to RC Cars then here are some tips. Today I replace an axle carrier on the Utor from BSD Racing sold by HobbyTech.https: ...

WebDec 26, 2005 · Warbird Pilot. Quote: Originally Posted by hummingbird111. Anyone know if these YS engines ( .63 ) are hard to tune. YS engines "might" be hard to tune for first timer. The only thing to keep in mind is that the low speed needle is backward from most other engines, i.e, you turn it in clockwise to richen the low end. WebMay 12, 2024 · NewBright RC Car - Tear Down. This had a fault that made the drive motor very intermittent so a good excuse to look inside. NewBright make full use of plasti...

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 …

WebApr 2, 2016 · Play that funky music right. The YS 91 will produce power ( more or less) the same as a 120 naturally aspirated engine. It will swing a 15X8 at about 9500 RPM. The … design by innovation and design by evolutionWebYS 63FZ: 1/2 oz per minute YS 91FZ: 1.1 oz per minute YS 140L: 1.5 oz per minute YS 140DZ: with venturi restrictor- 1.75 oz per minute. Without venturi restrictor-2 oz per minute. All tests were run with Powermaster YS 20/20 fuel and standard prop sizes for each displacement. Use of other fuels and prop sizes will affect fuel consumption slightly. design by loni talleyWebAug 27, 2013 · YS 63FZ: 1/2 oz per minute YS 91FZ: 1.1 oz per minute YS 140L: 1.5 oz per minute YS 140DZ: with venturi restrictor- 1.75 oz per minute. Without venturi restrictor-2 oz per minute. All tests were run with Powermaster YS 20/20 fuel and standard prop sizes for each displacement. Use of other fuels and prop sizes will affect fuel consumption slightly. design by lisa flower shop mt pleasant texasWebMay 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 chubby aslWebAug 7, 2016 · The fuel system of the YS is quite large compared to other engines so it may/will take longer for the engine to run dry. The running dry is the reason for the priming … design by lexy hostWebSep 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 … chubby asian actorWebdeteriorates or a part fails due to a manufacturing error, YS will repair or replace the engine at no charge. Should the engine be modified, incorrectly assembled or abused, there will … chubby auto