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| Matt G. | Mar 3 2009, 10:44 AM |
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I'm like 99% sure that a 10 hp head and a 12 hp head are the same. The head for the 16 has another bolt, and the 14 may have bigger areas for the valves. Kohler moved the spark plug around a few times over the years, so that's why you'll need the head from your K241. As far as 'lapping' the head...you could put it in a mill to true it up, but I don't have a mill. What's far easier (and cheaper, if you don't have a mill or the skills to operate one) is to get a sheet of glass and some wet-dry sandpaper. My dad got me a piece of 1/4" tempered glass that was a bit larger than a full sheet of sandpaper. I clamped it to a piece of particle board, and also came up with a way to clamp the edges of the paper down on the glass. I use 220 grit wet-dry sandpaper, but it'd be better to start with 180 (or 140, even) grit, and wet the sandpaper and place the gasket surface of the head on it and move it around in a figure 8 pattern. I'd use 180 or 140 until you can see that the entire gasket surface has been touched, (it's obvious) and then take some 220 and do it again with that to clean up the scratches from the coarser paper. Rinse off all the aluminum/sandpaper debris, and reinstall with a new gasket, torque to specs, and retorque after running 30 minutes at 3/4 throttle. I've done at least 10 this way, and I have yet to have one blow on me. Do you use the electric PTO clutch on your 1000? The only problems I can can think of that you may encounter are that the 12 hp doesn't have the tapped hole to mount the PTO clutch, and there may not be a provision for the right kind of dipstick on the older engine. Pictures of the 12 hp would help us determine if there will be any interface issues. |
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