Cub Cadet Mini-Rototiller / Oil leaking out of air filter - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information
 
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post #1 of 3 Old 05-20-2019, 10:35 AM Thread Starter
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Cub Cadet Mini-Rototiller / Oil leaking out of air filter

Hi All:

My buddy brought me his Cub Cadet CC148 Mini-Rototiller 4-stroke that quit during use. Oil leaks out of the carburetor air filter when you pull the starter. It also pulls strangely like it lost a compression stroke. You get a soft-soft-soft-hard pulse as you pull the cord. This is the same engine they use on trimmers,leaf blowers and vacuums, so I'm guessing someone here knows right away what has happened. Thanks to all in advance for any clues to help me figure this one out!
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post #2 of 3 Old 05-30-2019, 02:10 PM
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Re: Cub Cadet Mini-Rototiller / Oil leaking out of air filter

It sounds to me like you may have a stuck or blown piston ring.

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post #3 of 3 Old 05-31-2019, 09:05 AM Thread Starter
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Re: Cub Cadet Mini-Rototiller / Oil leaking out of air filter

I was hoping for a valve and not a ring, but you may be correct. With all the rain we've been having here lately, I haven't had a good day to tear into it yet. Today is the first day without rain in the forecast for the past 10 and maybe the next 5 going forward! Thanks for the hint.
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