MolaKule
Staff member
FWIW
B&S 5.5 Hp push mower, manual start, manual push. Simple as can be.
My wife usually uses the push mower for trimming around her flower beds.
Every time she started it up it smoked for about 10 seconds. It's only about 14 years old.
OK, it has had Everything from M1 10W30, to Redline 10W30, to Amsoil ATM 10W30, and lately Schaeffer's #700.
I took off the head and found no worn rings, no scored cylinder walls, no bad valve stems, nuttin'. Replaced new gaskets all around.
Check carb; no leaking, no rich fuel mixture.
When I started it up from cold, there was never any smoking.
I found out she was pumping the primer pump about 4-5 times, whereas I only gave it two pumps.
Apparently, the 4-5 pumps of fuel was washing down the cylinder walls on startup and mixing the oil film with the fuel in the cylinder and fuel wash down, whereas two pumps just gave it enough for starting.
Her startup procedure has now been modified.
B&S 5.5 Hp push mower, manual start, manual push. Simple as can be.
My wife usually uses the push mower for trimming around her flower beds.
Every time she started it up it smoked for about 10 seconds. It's only about 14 years old.
OK, it has had Everything from M1 10W30, to Redline 10W30, to Amsoil ATM 10W30, and lately Schaeffer's #700.
I took off the head and found no worn rings, no scored cylinder walls, no bad valve stems, nuttin'. Replaced new gaskets all around.
Check carb; no leaking, no rich fuel mixture.
When I started it up from cold, there was never any smoking.
I found out she was pumping the primer pump about 4-5 times, whereas I only gave it two pumps.
Apparently, the 4-5 pumps of fuel was washing down the cylinder walls on startup and mixing the oil film with the fuel in the cylinder and fuel wash down, whereas two pumps just gave it enough for starting.
Her startup procedure has now been modified.