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I had a similar issue with my 2003 Exmark. Turns out the Terminal connector from the engine to the wire harness had degraded causing a bad connection. I was able to buy a ne connector and repin or I could have just spliced the 4 wires. Sounds like you a bad connection somewhere. I think I get a...

92 Kubota G1900 and a bonus 2 stroke rupp kart

My Kohler had a bad engine electrical connector that caused the same symptoms. The output wire of the Regulator going back to key switch the terminal connector was degrading. New connector and all good. may not be your issue but just another idea to check. 22R

Hey SloMo, not trying to ooze anything. I have a Lawnboy and OP wanted to know about oil mixture. I use the lil 2.7oz bottles you mix with a gal of gas ( read post right there) I think someone did not like the less oil /more oil part. Try it yourself if you want since you missed my correct...

Tell ya what you are probably technically correct but try this run the same 2 stroke engine of your choice for 30 mins one with a high ratio oil mix and the other with none and report your findings. I would do the high ratio one first if you want to complete the test. 22R

More oil = more smoke = more lubrication =long life Less oil = Less Smoke = Less lube = Kaboom ! I usually go 2.6 or 7ox whatever those lil Stihl or Echo plastic bottles hold that say mix with 1 gallon of gas on my Lawnboys.....no issues

Send me the 35 year old Honda I will dispose of it for you. 22R

Thing about a battery is it is dying as soon as you take it off the charger and begin to use it. Ask your phone !! 22R

I aquired a Lawnboy 10323 from the 2016 flood in Louisiana. It was locked up but I got it loose and it runs great but is there anyway to increase the travel or ground speed on these models ? Thanks for any advice,

Ok since I have no manual and can't find one online I have two questions 1. Is it ok to partially engage the drive bail to regulate the speed to keep the mower from bogging in tail grass or does the bail need to be all or nothing ? ( does this hurt the transaxle gears ?) 2. In this pic does...

Hi Guys, I picked up this S21ZSN last week with a few spare parts ( carb, recoil, fuel tank, new rear drive wheels) for 50.00 It is in pretty good physical shape and runs but the will not pull itself. I am not new to lawnboys but new to there self propelled models. When I start it with rear...

About a year ago I was given a Lawnboy 10515 (self Propelled) and bought a 10415(push) and S19ZPN(push). I redid the 10515 and S19ZPN decks and slapped the 10415 together. It ran but eventually became hard to start and needed new crank seals, when I tore into it it had a lot of play (up and...

Hi All, After acquiring a couple junk lawnboys I have just got one running with a rebuilt short block from ebay. F series engine all new seals, bearings, and rings. Walbro LMR-10 Metal carb. When I first started it the air vane had no tension and it idled real low and sounded cool but it...

I have a model 10515 that has become hard to get started. I changed the plug and cleaned the carb. If I prime it with WD-40 I can get it started and it runs pretty good. When I let it sit I choke it and it will pop and try put can't get enough fuel seems like. I have drained tank and replaced...

What kind of prep work did you do ? I am down to the metal on mine. Do I need to sand the aluminum smooth before priming ? Any good tips for a quality paint job is appreciated. Thanks, 22R

Can anyone tell me if these mowers all have the same engines ? They look just alike and all the parts like carbs, mufflers, cables seem to interchange. The one to the left is a 10415, the next is a 19" with no numbers that I can see, and the last is a 10520 self propelled. Thanks, 22R

Hi Guys, I bought these two today for 45.00 Guy said they they ran last year but they need quite a few parts to bring them back into good condition( cables, fasteners, wheels, etc) The back one is a push model but the model and serial number plate is worn off ???? The front one is a self...

Hi, I got the old Gold Series 10415 to start and run but I am having trouble figuring out how the throttle works with this air vane. I am assuming that the flywheel air flow forces the vane towards idle and the cable pulls it back to open throttle ???? It will crank and run but only wide open I...

Hi Guys, I just got a 1993 10415 push mower from a guy at work. He gave it to me for the engine but wants the body back. The engine has fire so I cleaned the carb and will try to start it tomorrow after I get a bowl gasket. It has the F series engine on it from what I gather on here. It has a...