I am looking for information for a Briggs 23FB 203511 engine. I have it apart for the first time today. Had it around a number of years but it just peeked my interest enough to remove the flywheel today. I removed the coil assembly and I assume that the points are in the housing on the crankshaft inside the coil magnet housing. I removed the head and the valves seem to close and peeking under the valve the seats look good as well. Cylinder walls look slick and it didn't have compression. Oil is black as coal. I have not checked between the piston and cylinder wall with a feeler gage yet. Not sure I will check much farther until I am sure I can get parts to make spark. I was told it had run the year before I bought it about 15 years ago at an auction. With the oil as black as it is if it had been running it sure must have had a lot of blow by. Always been in the dry. I might take the doohickey off the crankshaft in a bit to see what is in there. Thanks for any help any one might be able to give on this antique.
- Thread starter Dick L
- Start date
OK! jumped to soon. I took the cover off the stop switch and found points and condenser. When I started to take the doohickey off the crankshaft it grabbed the wrench. So the doohickey is a magnet. The points were black so I cleaned them with a tooth brush and alcohol. They cleaned up real good and looked almost new. I shut down the shop until tomorrow. I will then check for shorts and see if the coil is grounded out or open. The coil is one that is inside of a molded plastic cover and does not look like it ever got extra warm or wet. I am thinking now that the points was the reason I didn't get spark to the plug. I could only get an .080 feeler down between the piston and cylinder wall to the first ring. I will put it back together if I don't find any shorts or open coils in the coil or condenser and see if I have spark to the plug before I pull the piston out. If I a missing something at this point I sure would like to here it.
I have an old Toro Whirlwind mower that has the 9hp model 23 engine. I think mine is the AB model. I rebuilt the engine about 20 years ago.
The block was bored oversize and the crankshaft needed to be ground undersize. It's a pain to start at times has a lot of compression with a rope start. I belt start it off my garden tractor at times using a v belt. When I had pole lima beans that mower made short work of the vines. Hal
The block was bored oversize and the crankshaft needed to be ground undersize. It's a pain to start at times has a lot of compression with a rope start. I belt start it off my garden tractor at times using a v belt. When I had pole lima beans that mower made short work of the vines. Hal
Similar threads
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.
Copyright © 1997-2024 Yesterday's Tractor Co.
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
Yesterday's Tractors - Antique Tractor Headquarters
Website Accessibility Policy