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Rebuilt the carb on a Super C. Now the governor surges at medium to high throttle. What adjustment needs to be made? Thank you.

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Engine was surging badly, rebuilt carb didn.t help. will bad governor cause this to surge

99% sure it is the carburetor main jet. I have had to soak many carbs over night in professional carb cleaner. NAPA sells an excellent cleaner in a gallon can The governor is doing its job, that's why it's surging. The throttle doesn't regulate the enfing RPM's, the governor does. If it is not getting the right fuel/air mixture the governor will try to compensate by raising the RPM'still it hits the RPM set limit. It will back off and the cycle will keep going hence the surging.. In the future, don't use oxygenated gas and run the engine dry before storage. Hope this helps.

Mar 12, 2016 | Garden

1 Answer

My 5horse tecumseth snow blower stalls when I engage the auger,just rebuilt the carb

Make sure your engines governor linkage is moving freely. It is the linkage that the throttle goes to on the engine and then a lever from that linkage goes back to the carb. The throttle cable works through the governor to adjust to changing loads. Your linkage connections may be crossed limiting throttle opening as well. Look online for a throttle linkage photo and compare. Be careful and good luck!

Feb 15, 2015 | Garden

1 Answer

Adjust governor

rebiuld carb sounds like dirt in it or water in gas

Aug 30, 2014 | Garden

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John deere lt190

If fuel is getting into the oil, I would say the needle and seat or float in carb is not stopping fuel flow. I would check carb again and adjust float level. Change or install an inline fuel filter too. Surging is almost always carb related. If problem persists after checking carb again, check governor springs. If they have been bent at all after removing carb, they can be bad. If you replace new governor springs and surging still exists, try doing a static setting on carb/governor. If your unit has an oil/centrifugal governor, move governor arm in the direction that opens throttle valve in carb all the way, hold in place, loosen nut on governor arm and grab small tang that goes inside engine and turn in the same direction you moved governor arm, rotate this until it stops, hold in place and tighten nut on bottom of governor arm. This is called a static/factory setting. Make sure throttle cable is in high position when doing this. Let me know if you have any questions. Good luck!

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Oct 22, 2013 | Garden

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I have a craftsman tecumseh 4.5 hp mower throttle free type and i have cleaned and rebuilt the carb replaced the carb mounting gasket between the carb and intake and also replaced the o rings on the...

1ec7ba32-45ac-4b07-8389-f863014e42da.jpgIt still sounds like a carburation issue. Are you sure all jets, vents and ports in carb are open? Another possibility is that the governor setting is off. The governor is the rod that comes out of side of engine and connects to throttle linkage on carb. To set governor to factory setting, push governor linkage in direction that opens throttle valve, loosen screw on governor arm and turn rod in same direction until it stops, while holding in this position tighten screw on governor arm. This is called a static setting. If this doesn't work I would disassemble carb, remove all plastic and rubber parts and soak in carb dip overnight. Picture may be different from your unit but it shows governor linkage to carb. Good luck and happy wrenching!

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Sep 18, 2013 | Garden

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I have a briggs model 407777 that was idling up and down from near top range to bottom. Found some dust in the carb intake and decided to cliean the carb. When removing the manifold/ carb, I took loose...

These can be tricky, but your on the right track. With throttle set on high (engine off), turn governor linkage in the same direction that opens throttle valve in carb wide open, then turn the governor rod in that same direction then tighten bolt on governor arm. This is a static setting. The high and low idle is most likely a dirty carb so assuming the carb is now clean your idle should be better. Hope this helps. Good luck!

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Aug 12, 2013 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

1 Answer

How to adjest the carb on a honda hrr216 self propell mower


If the mower starts easily and runs well but surges, the problem is not your carburetor! There is an arm coming from the crank case that links to the carburetor throttle arm with a small rod (the rod has a spring around it). That is your throttle governor. Loosen the nut where the governor arm meets the shaft going into the crank case, set the throttle to full throttle and using a pliers, twist the governor arm (coming out of the crank case to full open (twisting the shaft in the same direction that the governor arm would twist it when you go to full throttle). Tighten the governor arm nut without changing that setting... don't let the governor arm move or let the governor arm shaft (coming out of the crank case ) move or the setting will be wrong. ( I know... a third hand would be useful to hold the governor arm to keep it from moving). You may have to make that adjustment a few time to get it right.

Mar 22, 2013 | Garden

1 Answer

Pp4218 saw surges when at high throttle. acta like iti is about to run out of gas but tank is full

Try Adjusting The High Speed Jet.You Can Do This By Turning It IN Or Out Until IT Smooths Out.If That Don,t Work The Carb Needs Too Be Rebuilt.

Nov 15, 2010 | Garden

1 Answer

Riding lawnmower older Craftsman 143406012 12hp searches for rpm/

the needle valve on carb is out of adjustment it should be turned all the way in & out 1-1/2 turns to 2 turns try that & let me know if i can further help ya

Jun 23, 2009 | Craftsman Garden

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