Sounds like a fan to pull some air through the confined space the engine is mounted in is probably my solution at this point. I don't know any other way to dissipate the heat from around the engine. I'll measure the area I've got to work with while I'm checking that spark plug this evening and...
The engine was NOT running when I shot that video and the machine was definitely hot. I've been contemplating installing a fan in the rear of the excavator to help draw heat away from the engine. It's super compact and I'm not sure that there's enough air circulation for this machine to properly...
Model # - 25T237-0085-F1 (according to B&S website, I can't see a tag with model number or serial number on the engine itself)
JF 420-209-23033102-Y43 is stamped on the inside of the cooling fins on the cylinder.
Engine Family: PJDGS.4202UA according to Emission Control Information decal on...
So it's not a lawn mower but hopefully someone here will have some advice. I purchased a one ton mini excavator with a B&S XR 13.5 gas engine. The issue I'm running into is bubbles in the fuel tank and the tank pressurizing to the point that it blows fuel out if I take the cap off after running...