The last time I posted about my 48, it was shutting off for no reason and not restarting, well with the advice I recieved from this site I got that worked out. I rebuilt the carb again and I will say it hasn't died on me yet ,seem's to have good power, I harrowed my garden with it and under load it sound's great. But when just running around at mid to high idle it's still popping , I changed the plug's,added new plug wire's, new fuel line and new in-line filter. Still popping. So what next? Help is alway's appreciated.
TF1
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Cub again.... Still not running right!
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- tractorfan1
- 10+ Years
- Posts: 239
- Joined: Fri Jan 27, 2006 10:03 pm
- Location: New Brunswick,Canada
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Cub again.... Still not running right!
Brett (aka Tractorfan1)
http://tractorfan1.tripod.com
1947 Cub, 1948 Cub, 1948 H, 1952 Super M, 1966 806, 1983 Cub Cadet 182, 1974 Cub Cadet 76. Looking for a 1206!!!
http://tractorfan1.tripod.com
1947 Cub, 1948 Cub, 1948 H, 1952 Super M, 1966 806, 1983 Cub Cadet 182, 1974 Cub Cadet 76. Looking for a 1206!!!
-
- 10+ Years
- tractorfan1
- 10+ Years
- Posts: 239
- Joined: Fri Jan 27, 2006 10:03 pm
- Location: New Brunswick,Canada
- Contact:
Sorry I didn't mention this before but it has a mag but is running off of a coil.
Brett (aka Tractorfan1)
http://tractorfan1.tripod.com
1947 Cub, 1948 Cub, 1948 H, 1952 Super M, 1966 806, 1983 Cub Cadet 182, 1974 Cub Cadet 76. Looking for a 1206!!!
http://tractorfan1.tripod.com
1947 Cub, 1948 Cub, 1948 H, 1952 Super M, 1966 806, 1983 Cub Cadet 182, 1974 Cub Cadet 76. Looking for a 1206!!!
-
- Team Cub Mentor
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- Joined: Fri Jul 02, 2004 9:52 pm
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This is a tough one. Runs fine, good power, and not missing under load.
New points and condensor. Look for damaged parts, cap, rotor. Check engine timing. An engine oscilloscope scope would help isolate the problem - eliminate an ignition problem area.
Check plug gap. Valve sticking. Valve tappet gap. Uneven compression.
Throwing out thoughts.
Eugene
New points and condensor. Look for damaged parts, cap, rotor. Check engine timing. An engine oscilloscope scope would help isolate the problem - eliminate an ignition problem area.
Check plug gap. Valve sticking. Valve tappet gap. Uneven compression.
Throwing out thoughts.
Eugene
- tractorfan1
- 10+ Years
- Posts: 239
- Joined: Fri Jan 27, 2006 10:03 pm
- Location: New Brunswick,Canada
- Contact:
Eugene wrote:This is a tough one. Runs fine, good power, and not missing under load.
New points and condensor. Look for damaged parts, cap, rotor. Check engine timing. An engine oscilloscope scope would help isolate the problem - eliminate an ignition problem area.
Check plug gap. Valve sticking. Valve tappet gap. Uneven compression.
Throwing out thoughts.
Eugene
Eugene,
How do I go about checking to see if I have a valve sticking? The point's are wore pretty bad, could that cause popping? Thank's for the reply's!
TF1
Brett (aka Tractorfan1)
http://tractorfan1.tripod.com
1947 Cub, 1948 Cub, 1948 H, 1952 Super M, 1966 806, 1983 Cub Cadet 182, 1974 Cub Cadet 76. Looking for a 1206!!!
http://tractorfan1.tripod.com
1947 Cub, 1948 Cub, 1948 H, 1952 Super M, 1966 806, 1983 Cub Cadet 182, 1974 Cub Cadet 76. Looking for a 1206!!!
- Bigdog
- Team Cub Mentor
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- Joined: Sun Feb 02, 2003 12:50 pm
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I'd start with a good tune-up. Like Eugene says - several possibilities. If the points are worn, go ahead and replace points, condensor, cap & rotor. Pour a few ounces of Marvel Mystery Oil in the gas tank to help with the sticky valves.
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
http://www.cubtug.com
If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
http://www.cubtug.com
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