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Timing Issues

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rolmstead3
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Timing Issues

Postby rolmstead3 » Tue Jul 23, 2013 7:56 pm

i have a 1955 Farmall cub with a woods belly mower. One day i was mowing with it and it started running funny and then stopped running all together. since then i have rebuilt the magneto, starter, and carb. i have finally got it kind of running but now when i am mowing with it and say go up a steep hill it will bog down and die off. i did the static timing on it but when i put a timing light on it it reads very off i have to push the magneto all the way back to the engine and still the needle and mark are an inch off each other. should i only do the static, is there some thing else wronge. any info would help please and thanks.

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Rudi
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Re: Timing Issues

Postby Rudi » Tue Jul 23, 2013 8:28 pm

G'day to you ...

Well I guess the easiest way is to point you to these articles in the CBoK -


and the video - How to time a Magneto-Equipped Cub...film at 11:00

We have lots of resources for our members and I strongly recommend that some time is spent reading the material found at the links below:

Image to Farmallcub.com :big smile: Forum Family. And you have come to the right place for all things Cub related. If you click on the Site Rules, Regulations, & Important Information, it will point you to :arrow: the Welcome Wagon wherein you will find links to many useful sites and topics. One of the most important resources are Owner's Manuals, Parts Catalogs and Service Manuals. The Cub Manual Server is the home of the jpg versions and the [url=http://www.farmallcub.com/[ Sorry, direct links to manual section is not allowed. ]/index.php]PDF Manuals[/url] -- well the pdf's of course :wink: Enjoy!.
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Rick Spivey
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Re: Timing Issues

Postby Rick Spivey » Wed Jul 24, 2013 5:14 am

The rotor and pinion internal to the magneto must be timed to one another. There is a cast line on the rotor, and a triangle or dot on the pinion. Make sure those line up. Then, confirm that the governor drive lugs that turn the magneto are at approximately 2 and 8 o'clock when the engine is at TDC on number 1 cylinder. If either of those is off, you will never get a magneto in time. Lastly, I don't use or believe a timing light on a mag-equipped cub, just static time it and use it.
Rick Spivey
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