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#1
05-13-2013, 01:47 AM
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128 just spins
Howdy out there in Cub Cadet land,
Question I started one 1 of my 128's today ran like a champ no noticeable problems cut grass, idled fine, giving it gas it throttled up nicely was working and running fantastic. I took a break for lunch when back out within an hour, climbed on, turned the key S/G spun like crazy. The front shaft spun as well as the one coming out the back of the engine. It just spun and spun no normal start-up sounds. I love my Cub but this has me stumped am quite new to the Cub Cadet. I love the wonderful old machines, have two 129's, two 128's, a 149 with a # 2 tiller, and ain't nothing green around here other then the crops weeds and grass!! Now back to the 128 problem never had a problem changed oil used MMO as prescribed it just spins and spins with the belt on the S/G any suggestions or advice, this has been my favorite because it was my first thanks and help will be so much appreciated Thanks John and Sandy from Pittsburgh Penguin country 
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#2
05-13-2013, 06:00 AM
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Pull the spark plug and see if the piston goes up & down while turning the engine over.
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[B]Roland Bedell[/B] CC Models: 100, 105, 1450, 782, (2) 784, & 2072 [SIZE="4"][B][COLOR="Red"]Buy:[/COLOR][COLOR="Blue"] Made in the USA[/COLOR][/B] [/SIZE]:American Flag 1:
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#4
05-13-2013, 10:41 AM
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Sounds like a stuck valve, check that the piston is moving, if so pull the head and check your valves.
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149 with kwik-way loader,1772,two 1782 super smokers, 982 SGT w 54" haban blade,60" haban deck, 50in deck cat 0 3 point, brinly cat 0: blade, plow(3), disc.123,hydro lift. 61"O" Brinly single row planter,brinly cultivator,#2 trailer,brinly 10 inch plow,3 42 inch blades,Model #1 Tiller with extenstions,haban sickle mo. 106w/ags and hydro lift. 
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#5
05-13-2013, 03:02 PM
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Quote:
By the way. Old gasoline will stick valves and cause the problem you're having.
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#6
05-13-2013, 06:12 PM
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I am not sure what you mean by it just spins. Does it turn over and just not start or does it seem like there is no compression. If you have compression it could be an electrical problem if no compression it is likely a mechanical problem.
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With my son, EricR Super 2084 with 54" mower, 451 blower. 2086 with 3 pt hitch, 54 inch deck, 551 blower, 54 in brinly blade. A 4 digit original w deck. A 70 with deck. 2 102s both with 42 in decks, one with creeper, 1 36 inch IH snow thrower CW36, 1 42 inch IH blade. 149 with mower. 2072 w 3 pt hitch, Johnny bucket, 60 in mower, 451 blower. Jacobson GT 10 with mower. DR Lawn vac tow behind,Home made lawn roller. Brinly cart, 2 off brand carts and 1 home made cart.
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#7
05-13-2013, 06:29 PM
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For as cheap as headgaskets are I'd just pull the head to see what is going on. It would be a good time to clean any carbon out of it
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No more cubs. But never fear there will be more     
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#8
05-13-2013, 08:08 PM
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If you spin the engine with the starter and you have a broken rod, the front end of the tractor will jiggle up/down due to the imbalance of the engine. If you have a stuck valve, it will roll over smooth without the dance steps.
You can pour some solvent in the cylinder and let it soak and sometimes free a stuck valve if just letting it cool won't do the trick.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
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