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Z425 Governor constantly surging

#1

D

dazedconfused49

The governor is constantly surging. The problem goes away when choked as well as when blades are engaged. Seems like this is an air/fuel issue of some kind. Changing out the idler spring since I have the guarding removed and pulling fuel line to blow it out. Anyone have experience with a similar issue that could point me in the right direction? Any advice is greatly appreciated.


#2

B

bertsmobile1

Usually a clogged jet in the carburettor
go to outdoor power info find the carb cleaning section , locate your carb & follow the photo instructions


#3

D

dazedconfused49

bertsmobile1 said:
Usually a clogged jet in the carburettor
go to outdoor power info find the carb cleaning section , locate your carb & follow the photo instructions
Click to expand...
Thank you.


#4

StarTech

StarTech

Dirty carburetor can be of suspect but can be also be incorrect minimum idle speed if the engine is a Briggs v-twin.

If a Briggs v-twin you need go thru the static governor adjustment. Then setup the governor idle speed per the service manual. IF the minimum idle speed is below 1200 then engine can surge.


#5

L

lugbolt

Briggs. I'm assuming 25hp V-twin.

Nikki carburetor aren't they?? Take it off, throw it into the next county and buy another carb. And gaskets.

Did many of them. You can clean them til you're blue in the face and sometimes they just don't cooperate.

Those were the only carbs I never could figure out. Maybe I'm just dumb. But at $100/hr shop labor, it don't take long to pay for a whole new carb.


#6

S

slomo

lugbolt said:
Briggs. I'm assuming 25hp V-twin.

Nikki carburetor aren't they?? Take it off, throw it into the next county and buy another carb. And gaskets.

Did many of them. You can clean them til you're blue in the face and sometimes they just don't cooperate.

Those were the only carbs I never could figure out. Maybe I'm just dumb. But at $100/hr shop labor, it don't take long to pay for a whole new carb.
Click to expand...
Send me all these good parts you are tossing away please. Good 30 minute carb boil should take care of them.


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