back into my 140

Don-Wi

Well-known Member
Been working on my 68 JD 140 H1 again as I had a little time today. I opened the valve cover up and adjusted those to the specs in the manual. The exhaust was way out of adjustment. Probably close to .050 or so. Intake was out a little as well, but not nearly as far out.

I dumped the gas through the installed inline filter and had good flow, but I put a new on on again anyway. It's the same filter I use on the craftsman that's also gravity flow so I don't think that should give any issues.

I need to double check where I have the carb set, but I got it to start for a little bit then it died out when I was moving the choke. Couldn't restart it, plug was fouled out. I plan to but a new plug when I'm on my way to work sometime this week. What's the original plug used in it? I couldn't find it in the book in my quick search today, and want to make sure I get the right one. I don't know if the one in it is right or not.

Donovan from Wisconsin
 
The JD 140 used Champion H10, AC 45L, or PRESTOLITE 14-L7B originally. I liked the AC 45L the best of these. I have been running NGK plugs for the last 4-5 years. The NGK number would be B6L.
 
Thanks. I prefer ngk as well, so that's what I'll get. Currently has a champion H12R I think, but I dislike champion plugs.

Donovan from Wisconsin
 
H10 Champion is the right plug and all I've ever used for over 30 years with no complaints.
 

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