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slightlytasty |
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slightlytasty Two Stroke Sniffer
Joined: 02 Jan 2008 Karma :
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Itchy |
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Itchy Super Spammer
Joined: 07 Apr 2005 Karma :
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Posted: 07:38 - 09 Apr 2010 Post subject: |
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I'm of the ignore it camp, tbh, in that I've done them but it was a PITA to do taking a fair bit of time. A fellow biker round here did it and dropped a shim into the engine, tore the bike engine apart and ruined the bike.
On older bikes no problem lock nut adjuster, but newer bikes you need to take the bike apart before you know what shims you need which is a problem if the bike is your only transport.
But really its the taking apart that incurrs the labour cost, in that for CBR girl who lives nearby she convinced me to strip the bike down before letting peter take it to do the actual valve jobbie. He then bought it back partially assembled and I put it back together for her. ____________________ Spain 2008France 2007Big one 2009 We all die. The goal isn't to live forever, the goal is to create something that will. In the end, your life will flash before your eyes. Make sure it is worth watching. |
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Stowelly |
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Stowelly Traffic Copper
Joined: 25 Oct 2009 Karma :
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Itchy |
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Itchy Super Spammer
Joined: 07 Apr 2005 Karma :
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Posted: 07:51 - 09 Apr 2010 Post subject: |
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Stowelly wrote: | Just bought a TDM thats due its 24k check of this. is it really that much of a pain in the arse? seen packs of all the dif sizes of shims for about 60 quid. would it be worth buying this just in case. then getting someone to do it all at once just to save time? |
Depends how valuable your time vs money is, in that you can swap shims around when you've got the bike in pieces.
As said it is mostly just getting to them that it a PITA, i.e. on the CBR, the side fairings have to come off, then the seat then the tank cover, then the tank, then the carbs then the rad to get to the CCT. Then the timing cap cover on the side.
Stick a socket onto it,
Then you undo the cylinder head, then you turn over the engine with the socket turning to the marks for each valve, measuring with a feeler guage twice. With the TDM its 10 valves, with the CBR its 16, with the Yam R1 its 20 (the NR750 has a ridiculous 32 valves).
Then you calculate the shim needed on an excel sheet keith or Geri has lying about, then you switch them around then go to the shop and buy the ones you don't have. Then you put it back together careful not to drop shims into the engine. Then you put it together carefully.
Then you pray you've done it right, as if you haven't it means taking the bike apart again and looking for what you've done wrong.
makes me tired just thinking about it. ____________________ Spain 2008France 2007Big one 2009 We all die. The goal isn't to live forever, the goal is to create something that will. In the end, your life will flash before your eyes. Make sure it is worth watching. |
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Stowelly |
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Stowelly Traffic Copper
Joined: 25 Oct 2009 Karma :
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smegballs |
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smegballs World Chat Champion
Joined: 28 Oct 2007 Karma :
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Stowelly |
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Stowelly Traffic Copper
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Itchy |
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Itchy Super Spammer
Joined: 07 Apr 2005 Karma :
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Old Thread Alert!
The last post was made 14 years, 71 days ago. Instead of replying here, would creating a new thread be more useful? |
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