New Carburetor - Cub Lo Boy 185 -still won't start

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Jim Becker
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Re: New Carburetor - Cub Lo Boy 185 -still won't start

Postby Jim Becker » Thu May 23, 2019 11:08 pm

BigBill wrote:They used a point file years ago. The new points come coated and how do you get the coating off. It won’t run with the coating on them.

Rub each contact point on a piece of Kraft paper (grocery sack or cardboard) before you install them. Or you can hit them a bit with a point file.

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Rick Spivey
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Re: New Carburetor - Cub Lo Boy 185 -still won't start

Postby Rick Spivey » Fri May 24, 2019 5:50 am

sanderson34 wrote:Oh my. I'm not sure I can accomplish those 2 tasks. I am looking over the engine service manual and it looks like removing and checking the valves is a bit involved....not sure I'm smart enough to figure it out.


Not to leap ahead, you definitely should check out the other simpler items first. But a valve adjustment does not require removing the valves, just the valve cover. It is just the least bit tricky, so if you have never adjusted valves or are not a hobby mechanic, you may want to enlist some help. Perhaps there is a forum member close to you, or you could get the tractor to a Cubfest for some superb help and education.

On another point, I don't know your usage, but if you mow an acre or more regularly, 5 years may be beyond the serviceable life of your plugs. With enough usage, it would ne be unheard of for one of these tractors to receive a fuel tune-up yearly. Pull the plugs and check their condition; there are charts on the internet that will give a comparison to check your plugs against, and determine if there are any serious engine issues at play.
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)


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