An improperly tuned engine will cause that. Weak spark, worn plugs, points out of adjustment, frozen centrifugal advance, worn distributor bushings, clogged air cleaner, valves out of adjustment, vacuum leak, anything not right can contribute or combine to cause loss of performance. Save the carb adjustments for last. If the rest isn't right, the carb can't do it's job.
Easy test of the governor, engine off, set the dash lever to full speed, look at the position of the throttle. It should be in the wide open position. Then start the engine, move the dash lever from idle to sudden full throttle. The throttle should instantly go to wide open, then modulate back as the RPM comes up.
Since a little choke helps, it could be too lean. With the engine up to operating temp, try opening the main jet 1/4 turn, then try the sudden throttle. It should take full sudden throttle without hesitation. Keep backing out the main adjust until it will. A single puff of black smoke is the goal.
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 - Horsepower Defined - by Staff. Indicated Horsepower This represents the power developed in the enine cylinder as obtained from the pressure in the cylinders. This is pressure obtained from an indicator which shows cylinder pressures. Indicated horsepower does not represent the actual useful power delivered by the engine. Brake Horsepower This is the actual horse power delivered by the engine to the shaft. It is equal to the "indicated horsepower" less the friction of the engine. It is useful hor
... [Read Article]
Latest Ad:
Late 50s early 60s international harvester 560 with cultivator
[More Ads]
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.
