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I'm right over by Will Rogers airport on the west side...let us know what JD has to say....

I guess it's too hard to fire it up in idle and when "surging" and place both thumbs over the holes and see if it smooths out..... I'll bet the oil issue is unrelated.

You mean "premium" as in price? Well, if you're using less per gallon of gas, but you'd need 2x+ as much of the other stuff....is the price per gallon of gas the same or less. And generally price is not the driver. Do the rings stay free? Do you have to decarbon routinely? Do the plug(s)...

As tho the ground is always level. 🤫🤔

They move.....

I can and I did. Multi cylinder vs single is not such a stretch. Both will be down on power and the single more so but it will run at 70. Saying it won't isn't true.

Use what you have where you are. 👍 Used to use my JD 5303 and a Bush Hog 7 foot trailing to do an 2300 foot grass runway. Worked as well as any other type of mower when set up properly.

I have a Tanaka Japanese made trimmer from 1999 for $180 or so. Came with 7 year residential warranty. Still the original head on 5.5 acres, including the neighbor's shitty chain link fence. Maybe about the same number of tanks of fuel or a bit more depending on rainfall. Sadly, now out of business.

They sell thermally resetting fuses...mostly for automotive but works for anything else as well. The time between the event and reset allows everything to cool off.

Coil replacement. If needed.....

Oil is not the problem....

Vapor lock....

Well, that's crap....Continental aircraft engines minimum equates to 40 psi by differential test. 70 is fine for a decompression released engine.

Are the bearings plain or ball? Ball bearings were introduced sometime in the 1920s to 1930s...you have to do a patent search to see who claimed to be first or at least had the idea. Needle bearings came along later in the 1930s and40s. My guess is that anyone recommending 16:1 was specifying...

Consistently 50+ mpg on a Yamaha FJR1300a

3k RPM or more before engagement. How do you define "full throttle" with PTO engaged...

All you did was supply 12V and ground to each of the coil's terminals. Series, parallel, whatever.....makes no difference as far as I know. Each gets 12V and ground on the correct terminal. The reluctor wheel's magnet on the crankshaft triggers a Hall effect transistor in the "ignition module"...

Some but not all...

Boy...that really cleared that up....so is a Kawasaki and tons of other two cylinder engines. Nothing special.🙄

So...on an Onan two cylinder opposed, is there but one coil for both since both would fire at the same time. The only way for plugs to be in series would be on the opposed cylinder models. But looking at the diagram from post 62 shows the outputs to be in parallel, not series. Any V...

Try it on an electric fence sometime. Light. Light. Light.......

As was stated earlier, better to remove plug, insert into plug cap, and ground the plug to discharge energy via spark.

See post #21. As I mention there, it's not entirely intuitive as most forum software just has a CANCEL button right next to the POST REPLY that takes care of the issue. The solution is already posted to the Community section. Cheers!

You made me question my advice to just pull the cap....see post #57. Thanks!

Grab the cap and pull it off...won't get shocked unless you want to stick your finger in the end...🤔 The voltage isn't enough to each around the insulated cap. Many of the really old cables just had a bare metal clip that attached to the plug. If you have that I'd be surprised. However, in...

How many hours on this engine.....

Now is the time to take the belt to a shop that has a belt measuring stick and see if it really is 95.5 inches.

Like being a parts cannon, eh? Isolate then buy. Don't just throw crap at it till you know what it is....

Engine Options: Kawasaki, Kohler & Briggs...never offered with a Yamaha.

Do this.....get a sheet and a flashlight.....sit under the sheet on a solid floor because those springs will launch to God knows where sometimes. I "lost" one spring but knew the last thing it hit was metal after bouncing off the ceiling and eventually found it in the top of my tool chest. Work...

Ignore the bad spark tester, good spark tester argument for the moment. While running pull the plug cap off one plug and note how it runs. Replace it and pull the other one. If there is a coil failing one of the two will cause a really rough running, skipping engine and the other might not (rare...

Posted a question about how you dismiss a REPLY "quoted text" box if you change your mind and decide not to reply..... This is solved.....If you decide to not reply after all you must first POST the reply, even if blank, and then use the DELETE function of the POSTED reply to kill the...

No, I know you're not...this software is counter intuitive to any other I've encountered. When you hit REPLY to a post, does it not bring up the greyed out original post as "quoted text" and allow you to "associate" your reply with that? Yes it does. But if you change your mind there is no way...

Try it. Then try to dismiss the reply page. What you get is the quoted text box without any associated reply. I guess you've never changed your mind.....lucky you.

It's solved. A counter intuitive way to do things....when you hit REPLY then change your mind you have to POST REPLY anyway. There is no other option. Then the posted reply has the DELETE option that kills the post. My guess is the programmer already had the post number (in the upper right of...

Yes....you can do that but the original quoted message still remains on the screen and cannot be dismissed. If I wanted to I can build a huge chain of REPLY blocks, each with its own reply/message number and there's no way to dismiss any of them. Not that I would do that but it's an interesting...

You just repeated everything I said...

And this should be Post #5 being checked on a Linux machine......when I looked at this post with the prior text in it, and again after DELETE DRAFT was used the draft text was gone but the only selection available was to hit REPLY as there is no option to CANCEL.....Quite confusing.

Crap....being stupid has its costs. Thanks! Never once thought the save would have two options. However....just tried and the draft goes not go away and the REPLY block just sits there and doesn't close irregardless of DRAFT deletion. There should be a software option icon that allows the...

I'll bet there's a way to do this but is sure isn't obvious. When you select REPLY and the quoted message comes up with your space below it to reply....how the hell do you cancel the REPLY action. There is zero cancellation selection anywhere so now you're stuck with a quote with no reply just...

I'll bet there's a way to do this but is sure isn't obvious. When you select REPLY and the quoted message comes up with your space below it to reply....how the hell do you cancel the REPLY action. There is zero cancellation selection anywhere so now you're stuck with a quote with no reply just...

Methanol burns about two times slower and only has 9500btu/lb compared to 18,400btu per pound for gasoline. My guess is these were not blown or turbocharged so there is no way you could get the power you claim unless you burned 3 times the amount of methanol compared to gasoline. And...the...

Most don't know about this mix.....they usually thing it's just some backwoods retard that invented it. They always mention that they don't "mix" (immiscible is the proper term)....so just shake it up so that both materials are present on application. The one caution is acetone will burn at much...

Not my sarcasm...just a quote. https://www.lawnmowerforum.com/threads/briggs-stratton-ohv-plastic-engine-no-compression.79809/post-514532

Automotive repair or engine rebuilder....most straight machinists don't.

These are mower engines not the space shuttle.

Whatever.

Not the whole industry....just the gullible part of the industry. Let's take Permatex 80037 as an example. This material is your silicon carbide in 4 mixed grits... 120, 150, 180, and 220. Ostensibly the grit size decreases as the paste is ground between the face and the seat...or so Permatex...

But then you still have the seat...🤔. Agreed that not many have the stones or the tools to grind seats and/or valves....or the skill. It can be a pretty big investment and for a one time use it's better to take the parts to someone in the business of valvetrain restoration. New valves and...