HS 50 Exhaust Flange?

#1
I’m replacing my headache of a HS 40, on my Rupp Roadster 2, with a bit newer running HS 50. The exhaust hole is larger on this motor, and doesn’t have the threads for the type of flange on the other motor. I see that Blackwidow lists different ones, including one that says for newer style 5hp motors...anyone know if this would this be the right one? 1558807423883.jpeg
 

cfh

Well-Known Member
#2
The exhaust port on an HS50 is larger than the HS40 port. For example if the port was threaded, the HS50 would take a bigger pipe than the HS40 port. I do believe the 1/4-20 mounting holes are in the same position for both motors.
 
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