Briggs and Stratton Issue

David G

Well-known Member
I have a 5HP Briggs and Stratton engine on a tiller that starts hard. It was my dads, and I am fixing it up to give to his pastor.

It had no spark because the coil had been eaten up by a mouse, that is fixed. I have drained out old gas and added new with sea foam. It pops right off on ether or if I hold my hand over the inlet. The choke closes. It runs great once started.

I am betting on the fuel pump is weak. It has the tank under the carburetor.
 
I have a similar engine on an old troy-bilt tiller. I've found that when you pull the rope, the choke goes in a liitle bit. If you hold the choke out when starting it, it works just fine. You might check this.
 
even draining out old gas may not help -- If you separate the carburetor from the tank there is a small screen on the end of the pick up tube that may be clogged a bit causing this problem,
 
An old time B & S mechanic told me the best gauge to use in setting the coil. Take an old paper business card and lay it on the flywheel magnetS. Then put the card on and set the coil on the card. Tighten the bolts tight then turn flywheel to get card out. The setting will be right every time. m2c
 
Replace the rubber diaphram on the side of the carb. Careful because it has a couple of loose parts behind the diaphragm that have to be replaced in the proper position.
 

I'm a believer....... Cross reference the plug# you have to Autolite, get the plug and be happy.....
Have an old quad and had a couple mopeds that wouldn't run on anything else. That pastor prolly makes more than you do, make it buy the it outright like anyone else. You'll make a little money and still get to heaven. God don't care if you give a hypocrit a tiller or not...

Dave
 
Sandpaper any rust on the flywheel magnet. Make sure you are closing the choke. They will not start good without the choke for a couple of pulls.
 
I recently put a new Briggs engine on the tiller I've had since high school(30 years). It was a pain to start, valves worn, smoked alot, bad leaky carb. I tuned it and timed it yearly. New engine, purrs like a kitten. The garden is the best looking in 10 years. Put a 4.75 hp on, was a 2.75. I run low speed now, extra weight cuts deeper, lower rpm makes less dust & noise.
 
TSC sells a 5.5 horse Briggs elevator OVC engine for about $200.00. Makes an awesome tiller motor, bolted on in less than 1 hour.
 
I appreciate all the information. I will install a new fuel pump diaphram, clean up the rust on the magnets and go from there.
 

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