Tecumseh HSSK50 low power

nbpt100

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May 22, 2018
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I have a snow blower with a HSSK50 Tecumseh engine. It starts fine. Seems to run fine until it gets under load. It bogs down easily and it will stall if under too much load. This is what I have checked and the parts replaced so far.

Checked valve clearance. Exhaust clearance was out of spec and I ground valve stem down get it in spec.
New Autolite spark plug
New Carb. replaced fixed jet with adjustable jet carb
Changed oil and have fresh gas
High speed RPM set to 3600
Checked the governor adjustment

It has a bit more power with the new adjustable carb but it is still not normal.
Ideas?
 
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