Spark plug question

[ibe_waiting]

I have a tecumseh 5hsp industrial engine with overhead valves. Cant make out the model # its ohh50 i think is the first part. Can you please tell me the correct spark plug. Thanks in advance for the help.

 

[qtband]

j19lm

 

[Russ2251]

j19lm

Nope...That's a flathead plug. Reach is far too short.
RN4C is the correct Champion plug.
I strongly suggest getting the manual to avoid getting erroneous answers.

 

[ibe_waiting]

Thank You

Thanks everyone for the help!