Briggs and Stratton 17.5 hp won't start and backfires
Oct 22, 2019 · Hi! I have a 17.5 hp B&S model number 31C707 that won't start. It turns over fine and I have nice spark at the plug. After cranking for a while, there's a...
Briggs popping - Lawn Mower Forum
Jun 1, 2025 · So here’s the deal. 2019 Briggs 33R777 0012 G1 fires right up every time. Runs rough and pops at high rpm (although it won’t get nearly as high as it should) but runs smooth …
B&S compatibility (parts swapping) - Lawn Mower Forum
May 19, 2019 · Briggs engines are in series or families with the same capacity. Small Hp differences are done with carbs , big differences are done with bore & stroke. The easiest way …
Briggs - Gas Blowing Out of Carb - Lawn Mower Forum
May 20, 2015 · Briggs Engine 127802-0640-01 95091859 Carb has primer bulb Toro Push Mower Problem-Symptoms: 1. Engine starts and runs great for a few minutes and then runs "rough" …
Intek v-twin valve adjustment procedures | Lawn Mower Forum
Sep 24, 2020 · What valve adjustment procedures do you use on Briggs Intek V-twins? I'm aware of the factory procedure (setting each cylinder at 1/4" off TDC), but I'm curious to know how …
Briggs 17.5 PROPER valve Adjustment method Debate
Jul 22, 2019 · Hello all, Ok, watched 1000 videos and read a ton. Can you guys tell me best way to adjust the valves on a Briggs single cylinder OHV engine? Debate is: Method 1- These …
B&S 19.5 compression/ camshaft issue - Lawn Mower Forum
Feb 22, 2022 · There are many 31R Briggs engines out there that have failed for different reasons besides the compression release breaking. I don't know enough about the differences of the …
Runs but doesnt rev up - Lawn Mower Forum
Feb 26, 2016 · Hello again, i'm not sure if this is a problem from my other posts but i got my briggs and stratton mower running after a year or being stored in the shed.. I prime the carb 3 times …
Engine 'locks up' and won't turn over (crank) - Lawn Mower Forum
Jun 19, 2012 · I have to rotate the flywheel back and forth to free it up at which point the starter will engage and start the engine. It doesn't happen often but when it does, the starter won't …
10.5 HP B&S Backfiring/Popping. - Lawn Mower Forum
May 5, 2018 · 10.5 HP Briggs and Stratton OHV Model 215807-0324-E1 On a Murray rear engine 30" cut riding mower. This is an older mower (2005 I think, that I purchased second hand) I am …