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#1
10-17-2015, 09:05 PM
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Engine quit today, now no compression
After a lot of work this past spring (http://www.onlycubcadets.net/forum/s...ad.php?t=37565), my 1200 Kohler k301 has run great all summer. Mowing and leaf sweeping today, and after about an hour it started to sound funny, like it was revving fast. I shut it off and when I tried to start again it would turn over but not start. After I turn the key off it keeps spinning much longer than normal.
Did some googling to figure out what it might be. I took out the sparkplug, turned the key with my finger over the hole, no air pressure. I can turn the engine by hand more easily than usual. Based on the symptoms it seems like a broken connecting rod. I'm hoping one of you will tell me it's something simpler  . Thoughts? What are my options and what should I do next?
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#2
10-17-2015, 09:08 PM
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Pull the tin ( sheetmetal ) and the head to see if the piston moves.
Sorry but from what you described, it may be a broken connecting rod. If not, it'll be a good excuse to decarbon the head and piston.
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#3
10-17-2015, 09:08 PM
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It may be a stuck exhaust or intake valve.
__________________
Up to 530 and counting... I give up updating my profile!
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#4
10-17-2015, 09:16 PM
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Quote:
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Tim Pap's 100 Restored 108 1211 Dual Stick 1050 Pap's 100 restoration thread - http://onlycubcadets.net/forum/showthread.php?t=47965
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#5
10-17-2015, 09:40 PM
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I can see the exhaust valve moving through the sparkplug hole. I just decarboned the head this spring as show in the linked thread. I'll have to pull the head again to see more.
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#6
10-17-2015, 10:18 PM
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You could also take the valve cower off and see what the valves are doing.
__________________
More IH Cub Cadet Parts RIGHT HERE
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#7
10-17-2015, 10:44 PM
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Quote:
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Travis 1993 Cub Cadet 2064 1988 Cub Cadet 2072 1980 IH Cub Cadet 782 w/CH20 1966 IH Cub Cadet 102 w/K301 1961 IH Cub Cadet O 1967 IH Cub Cadet 102 & 122     JD 2155 w/ 175 loader
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#8
10-17-2015, 11:13 PM
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Quote:
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#9
10-17-2015, 11:47 PM
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Put a pencil or dowel rod down into the spark plug hole and rotate the engine, if it doesn't move, piston's not moving.
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#10
10-18-2015, 12:13 AM
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Is the spark plug hole in an AQS head over the piston?
__________________
More IH Cub Cadet Parts RIGHT HERE
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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.
MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.
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