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Two things to do. One is load the machine slowly and pretty heavily to near its full load. Then suddenly disconnect the load. That makes the engine try to brake and slow RPM, or not over-speed. In break-in, that can really help to seal piston rings by ultimately reversing the G forces a...

I have another piece of equipment (another generator) which I need to add an hours meter. I have a log book and it has 23 hours on it. Incrementing a new hours counter to 23 hours sucks. Does anyone have an easier way? I am currently just attaching it to a blower and running an engine.

https://www.yamahapartshouse.com/oemparts/l/yam/5c4f5b7e87a86609d0b4de1e/2019-ef2200is-parts You can find the diagram and pretty much buy whatever you want. The kicker is $10.99 shipping for a little tiny envelope of stuff, but I cannot say I blame them being shipping still costs them about...

Indeed. I can guarantee you that it is totally reasonable too. There is no visible smoke and no appreciable smell… I am in the same camp as you that a small engine burning 1.2 gallons of gasoline in 10 hours is not going to contribute even the most trivial amount to climate change. It is kind...

So when I took it apart, different parts had different locations on them. Might be assembled in China, but not all parts are from China. I now have this and two other generators of similar size. Two of them have a story.

Yes, affirmative. I ordered it initially to have two tries to drill or ream it… when I got it, but unbeknownst to me when I ordered, it was already bigger, so when I got it, I shelved the idea of reaming a jet and instead decided to just install it and see what happens. That said when I...

What were you thinking? That it would be an identical part I would have to drill out? That’s what I was thinking. In fact I bought the extra jet to have two chances and because I stripped the threads on some nits and a stud and ordered those at the same time, so now the carb nuts thread on...

Nice. Just out of curiosity what makes the Yamaha EFI most desired to you? I mean I know that Ryobi, Generac, Pulsar, Sportsman, AI Power, and many others clone it, so that must mean something. I really like how quiet it is and how well designed it looks. The Yamaha color scheme and...

Yes the jet looks identical but the horizontal hole threw the screw are clearly larger on the 2019 part I ordered. The result is that the generator now runs wirhout a miss.

Sometimes the goal is to enlarge the hole…. Anyway take a look at the end result. It is running quite well now! Sorry the phone didn’t register it was horizontal .

So I think I have the same thing, but they are called Torch Tip Cleaners. Maybe not because mine are NOT actually files meant for removing metal (reaming), but they work wonders for carb cleaning. For $60 I am really not so sure I want a jet reaming tool. I do think my unit in theory could use...

Exactly. I think if you want more air you would need to drill the side of the jet …. It’s crazy they don’t just make a screw to dial it in for any altitude or to fix it if it gets somewhat clogged with a little dirt.

Thank you. The fuel is not exposed to,the outside. The holes must go through the screw through the sides. I will see about getting a video perhaps tomorrow. I just changed the oil again. It is at 4.2 hours on its Hobbs meter I added (the Hardlone hour/tachometer). I still hve to run it...

Well. IT's FIXED! The jet is NOT tapered and NOT adjustable. It has a hole through the screw. The part in #7 on the 2019 catalog is NOT the same pilot jet the carburetor came with. The 2024 Yamaha EF2200IS has smaller holes in the pilot jet! Just swapping to that new jet I ordered clearly...

Here is the carb cleaning video. I used the B12 Berryman's. I cleaned it yesterday. I have full patency through each circuit. If I spray the cleaner, it comes out somewhere else for every hole! I also replaced the low speed jet with the 2019 Pilot Jet part 7PC-E4A42-18-00 just because I...

Great news is I got the stud situation sorted. I needed one (1) stud and two nuts. Now the nuts spin on by finger again. Turns out double-nuting can blow out the threads on a stud and both nuts when it goes wrong. I actually had to tear the generator apart this far to get the carburetor out...

Can you link me to some jet reamers and jet wires? I already ordered a second jet too from the 2019 diagram… I am hopeful that it will be larger. Either way if I have two the same size I can drill one and if that is a mistake switch back to u do the change.

Okay, so the carb is really not adjustble? I mean asside from perhaps drilling out the jet a little?

Here is the Carberator from the Yamaha EF2200IS. Q: Where do I adjust the low speed idle circuit? Thanks in advance

Inverter and gas tank . You can or slide it off completely unless you pull enough to lift the fuel tank.