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Model 135212, Type 002301, Code 95041112D used on leaf blower special rig. Engine had starting/running problems so Carb/Tank assy. removed for cleanout and carb diaphragm replacement. Where can I find a carb linkage diagram? My problems are with governor related rods. I am 83 years old and have worked on B&S small engines for years but I goofed on this one in not making linkage photos or diag. I am mad as Hell at myself for not being able to figure it out and 6 year old kid next door is only an expert on computers! TXhanks. **** Husta Wilton, CT

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  • husco Nov 17, 2009

    Jerr,thanks for the fast comeback. I apologize for mot providing B&S name with problem. I have some docs on this vertical engine, but nothing clearly shown for carb linkage. Let me look at B&S site tmw. and I will get back to you-assuming it is clear what messaging process entails.

    **** H.

  • husco Nov 18, 2009


    Followup to our exchange yesterday. First some clarifications re goofs on my part.

    Yes, engine Model 135212 is a horizontal B&S 5HP. I have searched B&S website and various forums but nothing on carb linkage setup. Only exploded views, etc.

    I need help only on the two long rods wich run vertically up the back of the fuel tank from the governor, and(I assume) from a movable plate on the back of the fuel tank support bracket. These long links differ in diameter, 0.120" and 0.070". There is a spring running from the governor arm to the moveable plate on the back of the tank bracket.

    How do the two long vertical links attach to the governor arm, and to the plate on the back of the fuel support??? No prob with top of carb linkages. The larger dia. link snaps into a plastic piece on the carb.

    **** H.

  • husco Nov 20, 2009


    Bingo! Thanks for your help. My engine OH days are rapidly coming to an end withthis memory experience.

    Have a great Thanksgiving and Christmas.




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Posted on Jan 02, 2017

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SOURCE: I have a 9hp Tecumseh engine on my Sears chipper

I will try again here.
1 wire link from the top hole in the governor arm to the throttle on the carb. There should also be a wire link with a spring that goes from the Governor arm to the speed control handle.

Posted on Oct 22, 2009

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SOURCE: I have an old tecumseh 10 hp eng model vm100. with carb problem

Rigid link to the top hole on govenor arm, spring link to second hole. If engine 'hunts', try the 3rd or 4th hole. Each lower hole will take off a few rpm, but make the engine less prone to 'overshoot' the goverened speed.

If you have not disturbed the govenor arm clamp where it fixes to the shaft that goes into the engine, that should be all you have to do if you have, proceed as follows ;-

Assemble as above. With engine OFF, loosen the govenor clamp. Push the end of the govenor arm so the carb throttle is wide open. Whilst holding it there, rotate the shaft in the same direction as the arm would have rotated it if you hadn't lostened the clamp. Ensure it's rotated as far as possible (this removes ant 'lost' movement in the internal govenor mechanism.). Now tighten the clamp and release everything. Push the speed control to FAST. The throttle should open, and it will requirer about 4 OZ of force on the end of the govenor arm to close the carb throttle. This force will be generated by the govenor when the engine is started

Move the speed conrol to SLOW. Most of the tention should disappear, allowing the throttle to close with very lettle pressure on the govenor arm.

If all this behaves as described, you should be safe to start.

Posted on May 12, 2010

#1 Taper
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SOURCE: Briggs engine,carb on tank. runs

Here is a link to a couple of my Tips. And even though they are for weed eaters and such, the same concept applies to your carburetor. The key to carburetor cleaning is the Den Tek Brush!

And depending on how bad your corrosion is, you may end up needing to buy a new carb. Corrosion may keep the parts from moving freely; such as the float.

Good Luck!


Posted on Oct 01, 2010

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SOURCE: craftsman917270930 fuel pump not working &do

The fuel pump is part of the carb. It is best to replace the whole thing rather than trying to repair, but your choice and your money. Usually I take digtal photos or at least draw a sketch before tear down of something new so I know how it is supposed to go back together. If you already have it tore down my best suggestion would be to pick up a B & S shop manual and they have some pretty good diagrams in the governors section as to where the linkages should hook up. I've done a bunch of these but can't describe it.

Posted on Oct 24, 2010

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SOURCE: My MTD riding mower, 12.5

Try clearing the gas cap vent holes!


Posted on Aug 18, 2011

Testimonial: "Yes, that corrected the problem - Thank You very much. I was surprised, as I never had this problem before im my 35 years of mowing!"

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