I've just finished fitting a polished top bridge/triple clamp to the W650 Cafe Racer. After fitting the clip on bars I no longer wanted the original triple clamp because it had brackets for the original bars on it (and it wasn't shiny and cool looking). It was a pretty straight forward swap and as you can see it looks slick.
Undo the 4 screws holding the dials in place and sit the dials down on the headlight. If you follow the wiring from the ignition barrel back under the tank (which you will have to remove) you will find a white wiring plug on top of the frame. Undo this and feed the wiring out so you can lift the whole top bridge off the motorbike (along with the ignition barrel).
This is now the only fiddly part of the job. The screws that hold the ignition barrel to the triple clamp are security screws which means there are no tools available that will undo them. I was able to get one undone by using a pair of needle nose pliers but I had to drill the second one out. To do this you need to made a guide hole using a punch in the top of the screw then by using a series of drill bits (starting small and going up) you will be able to drill through the head of the screw until it pops off and the barrel can be removed. Don't drill too deep, you only need to remove the head of the screw. If you drill too deep you will make it impossible to get the rest of the screw out. Once the ingnition barrel comes off you will see that the screw sticks out about 5mm which will allow you to grasp it solidly with pliers and remove the rest of the screw from the triple clamp.
The new clamp I purchased was from Deus (thanks again Taka!), which they import from Peyton Place in Japan and was designed especially to fit the W650. Buy a pair of screws the same size as the 2 security ones you removed and you can fit the ingnition barrel to the triple clamp. Now fit everything back in reverse order and you're done. I am currently looking for dials to replace the original W650 set I have on the bike which should compliment the whole look even better.
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