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| X1 Rocker Cover Gasket Change... https://ukbeg.com/forum/viewtopic.php?f=8&t=7711 |
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| Author: | smarty [ 22 Jul 2010 13:54 ] |
| Post subject: | X1 Rocker Cover Gasket Change... |
I'm just changing the front Rocker Cover Gasket on 2001 X1, currently there is only one 'Umberella' valve (situated at the rear) within the rocker cover assembly. There is a similar cut out toward the front, but no umberella valve in this one. So question is: should there be one, or two umberella valves? S1 manual suggests two should be present.... |
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| Author: | deepsix [ 22 Jul 2010 14:00 ] |
| Post subject: | Re: X1 Rocker Cover Gasket Change... |
Can't remember about the mushrooms but be very carefull if you go as far as taking rockers off to change lower gasket!!! Not a problem but be aware that the hydraulic lifters (cam followers) extend when not under tension and fill with oil meaning that you can bend a valve if you don't reassemble slowly and let it out again before starting or turning engine over 
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| Author: | Martinwill [ 22 Jul 2010 14:29 ] |
| Post subject: | Re: X1 Rocker Cover Gasket Change... |
one umbrella in each cover, inlet side. i chamfered the umbrella locate hole slightly on my x1. it lowers the umbrella and gives it an easier seal. Be carefull not to get any swarf in the motor, best done off the bike. |
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| Author: | Motorrad [ 22 Jul 2010 17:12 ] |
| Post subject: | Re: X1 Rocker Cover Gasket Change... |
While yer in there, drill out the adjacent oil drain hole to 1/8" - just slightly bigger, really more reaming than drilling. Supposed to help as well. Replace the umbrella valve with new. They don't stay flexible for very long, apparently. |
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| Author: | smarty [ 22 Jul 2010 23:19 ] |
| Post subject: | Re: X1 Rocker Cover Gasket Change... |
Thanks very much for the helpful replies  All done 
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| Author: | Spook [ 23 Jul 2010 13:49 ] |
| Post subject: | Re: X1 Rocker Cover Gasket Change... |
Put less oil in next time 
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| Author: | smarty [ 23 Jul 2010 22:44 ] |
| Post subject: | Re: X1 Rocker Cover Gasket Change... |
 Excellent advice ... 
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