about 33 mph
The correct spark plug for a 5 hp. Tecumsen 4-cycle motor is Champion J-8 (RJ17LM). The plug gap is 0.030 in. (0.76 mm)
That is the main jet needle valve.
Brigg's and stratton 5.5 hp on the craftsman push mower your gap tool set the gap at .025-030 for briggs 5 hp
.030
.020in
If that is a 5 horsepower Tecumseh engine - ( .030 inch )
.035
45 to 60 thousands,
5 to 14 thousandths
An Autolite 258 is the recommended spark plug for a 6. 5 horsepower Tecumseh engine. A Champion RJ19LM also is recommended by the manufacturer.
The torque on a 5 hp Tecumseh engine typically ranges from about 10 to 15 foot-pounds, depending on the specific model and operating conditions. Torque is a measure of the rotational force produced by the engine, and for small engines like those produced by Tecumseh, it is crucial for applications such as lawn equipment and generators. To get an exact torque value, it's best to consult the engine's specifications in the owner's manual or manufacturer documentation.