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I figure its probably just wear.. but maybe someone here has a different idea. I have a 21 year old Bolens riding mower with a 17HP Briggs Intek on it. Far as I can tell it is the original motor. Over the past 2 years it has drastically lost power... It starts and runs perfectly fine. But it seems to struggle with load. It struggles to mow through even the shortest grass unless the deck is all the way up. It bogs down going up a slight incline, even worse if the blade is engaged. It doesn't sputter during this , just runs slower. So far what I've checked: Pulleys - The deck and transmission all turn freely and easily. Governor - working fine, pulls the throttle on the carb all the way to the stop when under load. RPM - With the throttle in mowing position I get about 3200rpm under no load, and about the same with the blades engaged, which from what I have read is correct. Would the carb be suspect? That's the only thing I haven't messed with.. I just didn't initially suspect that, because it starts and runs fine. Throttles up and down smoothly and without stumbling. But I'm not a small engine expert by any means. stevewm fucked around with this message at 16:55 on Jun 22, 2022 |
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Jun 22, 2022 16:52
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| # ¿ May 9, 2024 23:47 |
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Motronic posted:Have the valves ever been adjusted? I'd start with that. Yeah I had to adjust them last year as it was getting hard to start. They where pretty far out. I'll check them again tonight.
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Jun 22, 2022 18:10
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