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-   -   Inside the K181 - take a look (https://www.onlycubcadets.net/forum/showthread.php?t=8290)

Roanoker494 01-18-2011 05:27 PM

Inside the K181 - take a look
 
Well..... In my expert opinion it looks like the "do-hicky" gear busted which made all of the "thingy-ma-bobs" fly everywhere and break the camshaft. I apologize for using all the highly technical terms, but I don't want anyone to know that I have no idea what I am talking about. Good news is the cylinder walls still show the factory crosshatch, the piston still has the machining marks and the rod journal looks prefect. I have not checked the ring gap yet because I am still planing to replace it all anyway, just need to find the tool box with all my engine hones and cylinder dial meters.

http://i647.photobucket.com/albums/u...0/100_1633.jpg
http://i647.photobucket.com/albums/u...0/100_1646.jpg
http://i647.photobucket.com/albums/u...0/100_1636.jpg
http://i647.photobucket.com/albums/u...0/100_1637.jpg
http://i647.photobucket.com/albums/u...0/100_1638.jpg

Roanoker494 01-18-2011 05:32 PM

Only ran into one setback getting the engine off when the clutch "springs" shot off and vanished, I did manage to find two of them. I also found that the clutch "flex plate" is cracked. One question I have is how do you get the flywheel off this engine?

http://i647.photobucket.com/albums/u...0/100_1640.jpg
http://i647.photobucket.com/albums/u...0/100_1641.jpg
http://i647.photobucket.com/albums/u...0/100_1642.jpg
http://i647.photobucket.com/albums/u...0/100_1643.jpg

_DX3_ 01-18-2011 05:32 PM

Ouch!!! :bigeyes:

:bigthink: I hope the Governor gear in my 169 doesn't look that bad LOL. At least it was nothing too catastrophic. Keep us posted.

TEET 01-18-2011 05:34 PM

Ouch! Typical fragged junk plastic governor gear. It would be nice to try and locate a metal replacement, but they are getting hard to find. Cant say Ive seen a cam break like that, but when things let go in these engines, its always a surprise when you open them up. Thankfully the cylinder is in great shape as you say....looks like a strait forward repair :biggrin2.gif:

Jeff (teet)

Roanoker494 01-18-2011 05:34 PM

Quote:

Originally Posted by _DX3_ (Post 54994)
Ouch!!! :bigeyes:

:bigthink: I hope the Governor gear in my 169 doesn't look that bad LOL. At least it was nothing too catastrophic. Keep us posted.

Okay then.... So my "do-hicky" gear is the governor gear? Learned something new already. Thanks for the info

Roanoker494 01-18-2011 05:37 PM

Quote:

Originally Posted by TEET (Post 54995)
Ouch! Typical fragged junk plastic governor gear. It would be nice to try and locate a metal replacement, but they are getting hard to find. Cant say Ive seen a cam break like that, but when things let go in these engines, its always a surprise when you open them up. Thankfully the cylinder is in great shape as you say....looks like a strait forward repair :biggrin2.gif:

Jeff (teet)

As soon as I seen the plastic gear in pieces I knew I was not the first person to have seen one bust. Why would they use plastic? That is some straight up box store Briggs & Stratton stuff there.

TEET 01-18-2011 05:47 PM

Quote:

Originally Posted by Roanoker494 (Post 54998)
As soon as I seen the plastic gear in pieces I knew I was not the first person to have seen one bust. Why would they use plastic? That is some straight up box store Briggs & Stratton stuff there.

I'm pretty sure it boils down to manufacturing cost...but I'm not certain. All the new replacements that are currently available are plastic, unless you can locate a NOS or used metal gear which is obviously more durable. Ive rebuilt engines with both metal and plastic...the plastic ones definitely wont last forever, but they usually last quiet a while.

Jeff (teet)

william1041200 01-18-2011 06:36 PM

back to your question...
 
pull that bushing out of the aluminum hub your screen is over, and you will find a large nut. remove the screen, crankshaft nut and washer, then, using a puller( should have 2 threaded holes in flywheel, 180 degrees apart) put some tension on flywheel against crankshaft. I agree with most here. tap on puller and flywheel should come loose fairly easily.

william1041200 01-18-2011 06:39 PM

so as not to confuse you
 
looks as if the screen comes off last on a k -181. in your pics there are no screws holding the screen to the flywheel.

Dave R 01-18-2011 07:54 PM

Photos
 
Thats an excellent set of photos. Very informative. Cameras, photography and website has come a long way in the last few years.
Dave


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