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Governor Linkage Spring

Brian G. NY

Brian G. NY

Well-known Member
In answer to Mountywv's recent inquiry I offer the following:
Often referred to as the "Anti-Surge" spring it connects to the manifold stud on the CA.
Interestingly, on the early WDs it attaches to the block draincock. Many people will insist that if everything is adjusted properly, there is no need for the spring.
a173692.jpg

a173693.jpg
 
Very nice. "A picture is worth a thousand words".
Several points that might help the confused. The upper picture is the smaller block arrangement- B/C/CA/D10/D12/D14/D15/etc. With governor spring mounted externally. Different calibrated springs for each series give different wide open speeds. Proper gov. to carb. indexing is achieved by bending the cross arm!(Both wide open at the same time).

Lower picture is the bigger block- W series/D17, with internal gov. spring. Indexing achieved by bending vertical portion of gov. arm.

Little anti surge spring on left side of engine mounted or used as necessary.
 
Yes it's not really needed. As the diagram states. Item #23-Spring to prevent linkage vibration (discontinued).

Many Briggs & Stratton small engines use a spring that the linkage slips thru. The spring pulls the levers at each end of the spring tight. So if any wear occurs in the spring holes on levers the carburetor butterfly shaft won't keep floating or shifting positions causing erratic engine RPM's.
 
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