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best to upload a video of this situation.

spewing fuel out the pump, or out the gasket the pump sits on? either way it needs a replcement. if the boss mounting screws are loose, it will suck air and stall.

the indicator stream means nothing, only that the pump is working. i always have to involuntarily cringe when i see people putting their hand in the stream to gauge head temperature, but of course the fittings are off the exhaust, well before the head! temp at the top of the head at a fast idle...

leaf valves could've been held open by debris too. "accidentally" cleaned it out when soaked in fuel on 1st attempt.

Its just a matter of a $35 ebay universtal small engine puller, 3x 1/4-20 screws and off she comes. when they where newer you could just bear-hug it while rapping the loose flywheel nut with a hammer, but always hated doing that. you'd disconnect the point wire and attach it to the module...

I can sell you a set of NOS Atom red ignition modules. this completely negates the issues with a sloppy plate as it take out the points and condenser (well you can clean the points and leave them in, just be sure to set the gap so wide they dont close). it uses a transistor, and completely...

the proof is in the pudding, as they say:) try that with a 30hp 4 stroke.

yes! big fan. again really strange but the green ones , even though they say they are for briggs motors, have identical waveforms.

If you were near my shop i would've put a 50hp 2 cyl OMC looper on it and be done with it. now you can tow a skier.

sounds like a fuel restriction to me. when were the carbs last serviced? post compression #'s as well. I rebuild about 6-8 of these a year, and more than half have the bottom cylinder scored. not saying thats your issue, but worth mentioning. running it for 3 full minutes repeatedly like that...

I always ditch the points and put transistor modules in them. night and day difference, and they cannot go out of adjustment. many of the fastwins and skitwins i have barely need any choke stone cold, and can idle down to 500 rpm or less without stalling. cant tell the difference between the...