S seattlepioneer Active Member Joined Jun 20, 2020 Messages 93 Jul 4, 2020 #1 Here is a good You Tube video on diagnosing engine surging problems.
S slomo Lawn Pro Community Leader Joined Jul 14, 2019 Messages 7,209 Jul 12, 2020 #2 Carb is plugged up or bad diaphragm. slomo
