Jacobsnapper95
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- Joined
- Jun 14, 2020
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Hey guys, I got a 95ish Snapper lawn tractor with a Briggs 14.5hp I/C engine. Something is seriously wrong with the carb or governor. First off, the engine will only start (whether it’s cold or hot) with the throttle at idle and choke all the way open. Which must be done manually because on the dash panel it’s cold start “Position” is at full throttle with choke closed. Once running engine runs nice and smooth at idle, no smoke. You can slowly raise the idle on the dash up to regular operating speed just fine. However when you engage the blades or take off to quick, it will go down to idle and start coughing and smoking black real bad then die. After messing around with it for a while I found that whenever it gets under any load the governor try’s to go to full throttle instantly. I’m pretty sure that might have something to do with it. I can go directly to the carb/governor (when engine is at 50% power on the dash) and pull the throttle back a little (to simulate a load) and as soon as I let off the throttle the governor aggressively WOT and the engine coughs and stalls. Unless I manually hold the governor back a little from going WOT then it’s fine and I can save the engine from dying. It’s not the high rpms that kills it, it’s that it’s trying to get there to fast, I can manually overspeed the engine pretty uncomfortably high with no issues. Sorry for the long post, just trying to explain every detail. I don’t know if the problem is the governor or the carb any help would be appreciated.
Thanks
Thanks