Kohler CV730S-0017 Running Rich
#1
08-24-10, 09:04 AM
Join Date: Apr 2009
Location: Wisconsin
Posts: 20
Kohler CV730S-0017 Running Rich
How is it possible for an engine with no air/fuel mixture setting to run rich? The butterfly is wide open, and it used to run fine.
Any ideas?
Any ideas?
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#2
08-24-10, 11:06 AM
Member
Join Date: Nov 2007
Location: NE Okla
Posts: 432
Originally Posted by paulguy
How is it possible for an engine with no air/fuel mixture setting to run rich? The butterfly is wide open, and it used to run fine.
Any ideas?
Any ideas?
#5
08-25-10, 02:48 PM
Member
Join Date: Feb 2008
Location: EveryWhere
Posts: 1,263
When the throttle control is moved from slow to fast speed it shoots a little extra fuel into the carb venturi area. This reduces stumble on throttle up.
If a pin hole develops in this diaphragm engine vacuum in the venturi can pull constant extra fuel, This can cause a rich running condition.
If a pin hole develops in this diaphragm engine vacuum in the venturi can pull constant extra fuel, This can cause a rich running condition.
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