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  1. F650 Single Discussion
    Hi to all Just got my Funduro up and running after some winter maintainance,which included shimming some valves, When cold and if the revs are below 1100 rpm or so theres some cam chain noise or 'slap' as i refer to When warmed up and the idle is around 1400 as recommended the noise...
  2. F650 Single Discussion
    Hello Folks 1) So in my ever coutinuing work on my Funduro... I am now in the process of looking at the Cam Chain.... I ran the engine to get the oil pressure up and then switched it off... removed the Timing Belt Tensioner cap... and little bit of oil came out.. normal I guess... then...
  3. F650 Single Discussion
    Doe's anybody know the service life specified by BMW for the cam chain... been looking in the manuals and can't seem to find anything...Have been getting a ratting noise on start-up from cold sometimes this will clear as the bike warms up... I checked the tensioner piston, this seems fine...
  4. F650 Single Discussion
    Has become really noisy at startup from cold. It's fine when the bike has warmed up. Off to France next week (2500 miles ish). Is it worth changing before I go or will it go on forever? I suspect I already know the answer and will be adding more loot to funding Motorworks' Crimbo party, but...
  5. F650 Single Discussion
    Could anyone suggest a good Helmet Cam I would like to buy one for my O/H for when he is away on trips and green laning. It needs to be able to withstand the vibration from his GSA. And lots of brutal useage :-D
  6. F650 Single Discussion
    Question for the techies... Recently, and for the first time, I checked and swapped out a couple of valve shims on my ST. I did the job by the book, locating the crankshaft notch by feeling with a screwdriver and locking the crankshaft in place with a TDC bolt (with the cam lobes outwards at...
  7. F650 Single Discussion
    Does anybody know of a UK based tuner for the F650/Rotax motor that could supply a MANUAL Cam Chain tensioner to replace the hydraulic one fitted as standard. Thanks
  8. F650 Single Discussion
    Just sorted this problem out on my bike and hope it may help others. After a rebuild, the cam chain was making a slapping sound as if the tensioning system was failing to do its job. After much cursing and checking the FAQ's in here, I found that the tensioner should be filled with oil to give...
  9. F650 Single Discussion
    I have followed the instructions here: http://faq.f650.com/FAQs/CamChainFAQ.htm But the noise persists. I checked the hydraulic damper and it does not compress under pressure(by hand) and does not seem to have any scores on the outside of the damper! Is there any other way of checking it? I do...
  10. F650 Single Discussion
    Anyone know pre-2000 Sachs cam specs of duration and lift? I can't find stock cam specs anywhere, without taking it out first and measuring it. Thought the shop manual would specify, but no luck. It will probably take a guru to answer this, as I have never seen it listed anywhere. The BMW EFI...
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