My 641 runs for a while and starts having issues it will cut off and crank back but choke has to be all the way out. if i let it sit for a while, hour or two it will run again for a while and star having issues again. Im thinking it may be running hot but there water is not steaming. Any suggestions ?
- Thread starter CUB641
- Start date
old
Well-known Member
- Location
- Camdenton Missouri
Run it till the problem happen and the moment it dies check that you have a good blue/white spark at the center wire of the cap and at all 4 plug wires. Spark needs to jump a 1/4 inch gap or more
Next check that you have a good steady flow of gas that will fill a pint jar in less then 3 minutes
Your problem could be weak spark due to a coil going bad or could be a fuel problem
Next check that you have a good steady flow of gas that will fill a pint jar in less then 3 minutes
Your problem could be weak spark due to a coil going bad or could be a fuel problem
Ultradog MN
Well-known Member
- Location
- Twin Cities
Best answer!
Check your spark First.
Verify that you have a bright, bluish white spark that will jump at least a quarter inch.
It requires No Tools to pull a plug wire and check.
Only then go on to fuel.
Check your spark First.
Verify that you have a bright, bluish white spark that will jump at least a quarter inch.
It requires No Tools to pull a plug wire and check.
Only then go on to fuel.
old
Well-known Member
- Location
- Camdenton Missouri
Yes always check spark then fuel NEVER the other way around or you risk having to deal with a fire
Steve@Advance
Well-known Member
Try loosening the fuel cap.
Even if it says vented, it may not be.
Even if it says vented, it may not be.
I bought my 641, about 5 miles from my house and desided to drive it home. It stopped about 1/2 mile from my drive way.
I could pull the choke and it would start a, go a few feet, then stop.
I fought it for a week but, could get gas to flow much.
I finally pulled the tank and the screen had broken off on the outlet AND a Yellow Jacket had found it's way into the outlet. I replaced the tap and cured it.
Frank
I could pull the choke and it would start a, go a few feet, then stop.
I fought it for a week but, could get gas to flow much.
I finally pulled the tank and the screen had broken off on the outlet AND a Yellow Jacket had found it's way into the outlet. I replaced the tap and cured it.
Frank
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