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Soaked everything in vinegar overnight and cleaned off the white rust. Extensive pitting is shown in photo. Fortunately the brass ports/jets seemed to be intact and I was able to clean our the various passages. The bushing where the float rod sits was extensively damaged; I used JB Weld to...

Good advice. I've only had the mower a few days and have not yet pulled the shroud, but will soon do that.

Pulled an old Husqvarna mower with a Honda GCV190 engine from the trash to fix up and donate. Looks like it has sat for a while. The photo shows what the float and float chamber look like. They are covered in this thick pasty white goo. Have others seen cases like this? Is the what can...

I've worked on a few electric mowers. Here is a speculation/theory on what may have happened. When you power-on an e-mower, the control board initiates a slow start of the motor until it spins up and begins to generate some back-EMF which reduces the amount of current that the motor requires...

I've worked on a few electric mowers. Here is a speculation/theory on what may have happened. When you power-on an e-mower, the control board initiates a slow start of the motor until it spins up and begins to generate some back-EMF which reduces the amount of current that the motor requires...

Thanks for the clear explanation. Makes perfect sense.

Generic question for the gurus on this forum: I know there are some mowers where the only adjustment related to valve lash is to grind the stem to shorten the valve. My question is this: what is happening in the engine that would make the valve (or something else) "too long", such that...

I have a Husqvarno 7021P mower with a Honda GCV160LA0 engine. Engine was surging, and I could see governor arm going back and forth every second or so. Mower tended to die whenever going through marginally tall grass. I did a thorough cleaning of the carb, disassembling, cleaning all...

Thank you!

I have a Briggs & Stratton mower with engine 12H882-3173-E1. Is there any valve adjustment that can be done on this type engine (other than grinding down the end of the valve)? I can access the valves under the breather (as shown below) if I wish to remove them, but I don't see any way to...

I had the same problem. Photo from my phone was ~4MB and was unpostable. Kept resizing it using Microsoft Photo. Would not post until photo size was less than 1MB, so I'm assuming 1MB is the limit. To resize in Microsoft Photo: dot-dot-dot menu -> select "Resize image" -> then move quality...

Ryobi RY40104 16" electric with dead control board. Prototype for replacement of control board (impractical, proof of concept).

Ryobi RY40104 16" electric mower. Control board dead. Prototype control board replacement (impractical, proof of concept)

Hi, I am trying to get my friends MTD Yardman tractor (13AT604G401) in shape for the season. When I remove the deck (in order to remove the blades for sharpening) I found a rubber part lying on top of the deck. See attached photo. I was not able to find any part on the MTD website that...