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17-05-2020, 03:28 PM | #1 |
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Monster 1200
So recently I found that my 2014 M1200
Last edited by Shahwales; 25-08-2020 at 11:18 AM.. |
17-05-2020, 04:07 PM | #2 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,715
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I'm afraid it's way more complex than that with the 1200, the miracle of compactness means:
You need to support the entire chassis, since the rear shock and seat subframe both attach to the rear cylinder head, so will need removal before you can get the head off. You'll also need to remove the airbox and throttle bodies. |
17-05-2020, 08:44 PM | #3 |
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Slob, have you done it? I got a Abba skylift, couple with a jack under the oil pan, this should be ok?
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17-05-2020, 09:12 PM | #4 |
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Join Date: Jan 2013
Location: Shipbourne
Bike: M900
Posts: 1,421
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As to sandpapering the head it really depends what you see when you get it off. Personally, I would only use sandpaper (wet and dry paper) to remove any minor scratches, marks left if there is any residual gasket goo, etc.
Even then I would put the sandpaper (wet and dry paper c 600 grit) on a sheet of glass or a known very flat surface and rub the head in a figure of 8 pattern with even pressure from above across the whole gasket face so that you limit the possibility of "crowning" the gasket face. The head would then need to be thoroughly washed wiped /down to stop any residual abrasive from being introduced into the cylinder bore. I think probably a 1200 head is too big for this process as the footprint would be almost as big as the wet and dry A4 sheets. If that is the case you have 2 options put it back together with new Viton seals, before doing so you could try a steel ruler across all the bolt holes with a torch behind it to see if it is flat or warped. The other option is to take it to a machine shop for a very light skim which you will have to do if it is warped. |
17-05-2020, 09:33 PM | #5 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,715
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I haven’t done it myself. But I can confirm your steps in more detail if you’re going to do it (I have a 1200R manual, which is similar but not identical)
An ABBA stand should be ideal. Personally I’d probably use a (soap free) nylon scoring pad to clean the surfaces in situ. You need to be prepared to replace the base gasket too, if the barrel shifts at all. |
17-05-2020, 09:53 PM | #6 | |
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Join Date: Sep 2010
Location: Leics
Bike: M900
Posts: 2,848
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Quote:
That said the base gasket (on the older bikes) is a steel shim and so can be re-used with some new gasket goo. Gives you an excuse to clean up the piston, valves & head etc. whilst you're in there, of course then you'll want to do the other head and so it begins...
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M900, 916, LeMans II. |
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17-05-2020, 10:18 PM | #7 |
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Join Date: Jul 2003
Location: East London
Bike: Multiple Monsters
Posts: 9,715
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yup, 1198 testastretta detuned for road use, so a direct evolution
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17-05-2020, 10:34 PM | #8 |
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The more I think about doing this, the more mad it starts to sound!
Last edited by Shahwales; 25-08-2020 at 11:20 AM.. |
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