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Magneto Timing Problem
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- 5+ Years
- Posts: 230
- Joined: Thu Jul 10, 2014 7:18 am
- Zip Code: 24551
- Circle of Safety: Y
Re: Magneto Timing Problem
I vote coil. I fought with the same symptoms you had, getting good spark after everything was cleaned and timed. Always seemed like it just needed one more good crank to start it but never did. I finally broke down and replaced the coil and it started right away. I second what John said, the no-start when hot sounds typical of an ad coil.
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- 10+ Years
- Posts: 5010
- Joined: Fri Oct 29, 2010 11:34 pm
- Zip Code: 36558
- Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
- Circle of Safety: Y
- Location: AL (Southwest)
Re: Magneto Timing Problem
RE: timing the ROTOR AND PINION gear per Rick Spivey's post, if these two components are not timed properly it will not start.
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
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- Cub Pro
- Posts: 2779
- Joined: Sun Jul 01, 2007 10:07 pm
- Zip Code: 29518
- Circle of Safety: Y
- Location: SC, Cades 29518
Re: Magneto Timing Problem
Try another distributor cap, yours may be arcing or corroded. Be sure you have solid core spark plug wires,
Rick Spivey
'52 Cub ("Great Personality") 148xxx
'48 Cub with FH ("Gunny Cub") 38xxx
'57 Lambretta (a slow work in progress)
'74 Triumph TR6 (Mama's toy)
'52 Cub ("Great Personality") 148xxx
'48 Cub with FH ("Gunny Cub") 38xxx
'57 Lambretta (a slow work in progress)
'74 Triumph TR6 (Mama's toy)
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- 10+ Years
- Posts: 6182
- Joined: Mon Mar 19, 2012 7:33 pm
- Zip Code: 00000
- Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
- Circle of Safety: Y
- Location: Wa.
Re: Magneto Timing Problem
Hi,
You could look at the points and see how they are. If they haven't been filed or replaced in a long time, they probably need service.
I take them out and file them with a large flat file. The point surfaces should be flat and shiny. Wipe off all filings with a clean rag.
Here is a page from the Cub owner's manual showing how to work on the points.
Below is a listing for new points at TM Tractor, if you want to see it.
http://farmallcub.com/rudi_cub/www.clea ... e%2030.jpg
http://www.tmtractor.com/new/el/367fp.htm
You could look at the points and see how they are. If they haven't been filed or replaced in a long time, they probably need service.
I take them out and file them with a large flat file. The point surfaces should be flat and shiny. Wipe off all filings with a clean rag.
Here is a page from the Cub owner's manual showing how to work on the points.
Below is a listing for new points at TM Tractor, if you want to see it.
http://farmallcub.com/rudi_cub/www.clea ... e%2030.jpg
http://www.tmtractor.com/new/el/367fp.htm
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- 5+ Years
- Posts: 7
- Joined: Mon May 01, 2017 7:18 pm
- Zip Code: 15601
Re: Magneto Timing Problem
Well, finally got her running! Used the popsicle stick to find TDC and that did the trick. Must have just been slightly off before
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