Posted by t.r.k. on January 01, 2021 at 18:05:57 from (71.31.64.233):
In Reply to: Stihl chainsaws posted by Illinois Deere on January 01, 2021 at 10:12:12:
I don't work for a Stihl dealer, but I do work on a fair number of those saws in a year at the Echo and Husqvarna dealer. The fuel mix ratio itself is not the problem, as long as it is pretty close to 50:1. (And not more than a month old. Modern fuel does go old pretty quickly.)
The real problem with those MS170 saws is the carburetor is jetted for the fuel mix to meet Federal Emissions and the fuel delivery cannot be made any richer. At least not without modifying the carburetor. So the saw runs lean and with a lean fuel mix there is both not enough fuel keeping it cool or enough oil to lubricate it properly. When a saw comes across my bench and I know it needs 'just a tad bit more fuel' I have to tell the customer their saw needs a new carburetor.
Upload one or more videos to your post. Photo and video filesizes should be less than 5MB. Formats allowed are gif, jpg, png, ogg, mp4, mov, and avi. Be sure to use filenames without spaces or special characters, and filetypes of 3 digits lower case.
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. [ About Us ]
Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
... [Read Article]
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.
