cub cadet 11A-18MC056 push mower

[lkcutler]

With the numbers you have posted, I can find anything. The model number does not come up on the Cub Cadet or MTD models. The engine numbers are like nothing I have seen. Please double check all numbers. Is there a name on the engine?

here are all the info on the engine tag MTD Products 2007 EPA PH2
EF: 7CZHS.1731FW
ECS: EM
070400430201
1P70M0/074243B0672
173CC April 2007

 

[ILENGINE]

ARIPartFinder

Try this out and see if it works? click on the select assembly for 2007, and select engine

 

[lkcutler]

IL I have tried the numbers you posted and still can't come up with any results. Must not understand Chinese. I agree with you that it sure sounds like any air leak somewhere. Because I can't see what I am talking about makes it difficult. I'm a visual guy. My guesses are cracked primer (if it has one), bad gaskets (as you said), bad high speed jet (older Chinese carbs are known for this). If I had it in the shop I would be punching the jet, to see it I could get a richer mixture. I've got plenty of Chinese carbs laying around and this has worked in the pasted. I won't post how to do this, because as you known, this can cause way too many problems and get expensive if done improperly. A possibility could be a bad head gasket, allowing air to be sucked in, but now I'm getting out there in the area of what am I missing, and my brain is fried, so I'll try something stupid. I really want to know how this comes out, because there are smarter guys out there than me. This just proves that those on this forum who say I don't know what I am talking about, are right.

Ok after pulling nearly all my remaining hair out I have finally got it going I pulled carb down 4 times got it to run on choke only then proceeded to find an air leak I made a spacer from a piece of gasket material and tightened it down and it runs like a champ. Thanks for all the tips and advice. great site been helpful

 

[Rivets]

Il, thanks for that link. I was on the Cub website, but couldn't get it to work, so I bookmarked that site for future reference. You taught an old dog a new trick, thanks.

Lkculter, thank you for letting us know what solved your problem. Most people don't take the time.

 

[ILENGINE]

Il, thanks for that link. I was on the Cub website, but couldn't get it to work, so I bookmarked that site for future reference. You taught an old dog a new trick, thanks.

Lkculter, thank you for letting us know what solved your problem. Most people don't take the time.

Sometimes you have to massage the system to find things that your are looking for. I even have problems finding things sometimes. The best one I have found was the time that I was looking for a parts breakdown for a new store owned pushmower that had a broken part, and had to google search the IPL, and the only version was in French.

The best one was about 3 years ago. Had to call Poulan Tech Support, so they could look up a part for me. The guy on the other end of the line had to put me on hold, get in the elevator and go to the basement, pull the paper build sheet, get back in the elevator, go back up to the fifth floor, to answer my part question. This was a new Poulan pusher, that had been on the market for about a month, was so new that even my distributor didn't have a parts diagram.