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  1. RollaCosta

    Driveline vibration elimination (hopefully!)

    Now that I’ve worn earplugs when riding, I think I felt that same vibration you are trying to get rid of. Normally it is drowned it the exhaust sounds, but my earmuffs kill the noise so I can feel vibrations more. My theory is that could come from the fact that the final chain is constrained by...
  2. RollaCosta

    Driveline vibration elimination (hopefully!)

    What’s wrong with consulting the Rider’s Manual, pp.55-56?
  3. RollaCosta

    Driveline vibration elimination (hopefully!)

    Next try re-balance the rear tyre, and also I assume you have run ASC CAL. in SETUP?
  4. RollaCosta

    Question for a 2013 C 650 GT owner

    SERVICE is on, too - meaning it has not been done at required time/mileage. Do not buy without riding a test.
  5. RollaCosta

    FOR SALE: LIGHT WHITE 2020 C 650 GT $7,000

    Welcome to the club, triguy7 !
  6. RollaCosta

    Windscreens for C650 Sport?

    Anyone tried Ermax like this one? https://www.ebay.com/itm/256348176303
  7. RollaCosta

    Windscreens for C650 Sport?

    Anybody updated the windscreen on the Sport, and how did it go? I am poised to buy a Puig VTech Tour 9015H but dunno if it is worth it? The best so far is stock in the middle position, but still windy…
  8. RollaCosta

    Driveline vibration elimination (hopefully!)

    Besides a possible issue with the clutch, there may be something about the output shaft and its bearing.
  9. RollaCosta

    Driveline vibration elimination (hopefully!)

    Does the torque (power) float at all?
  10. RollaCosta

    New member

    Welcome, Leslie! GT has less storage than C650 Sport (!) and no FlexCase. I see many are putting up centre boxes on. On my Sport, I have toured Australia without any boxes, up to three weeks with just a soft bag and soft 5L pertol flex can on passenger seat strapped to hand rails. But suspension...
  11. RollaCosta

    Driveline vibration elimination (hopefully!)

    Another possible reason is clutch, which I think is the worst part of BMW's design, especially coming from the ultimate, sublime multi-plate wet clutch of the T-Max 530. Mine has been well due for spring replacement at 26000 kms. Had those vibes when starting, then 120-130kmh speed range...
  12. RollaCosta

    Driveline vibration elimination (hopefully!)

    1 and 4 are unlikely to cause vibration, worn drive belt may cause "floating torque" e.g. when you want to overtake on highway you feel a drop in torque and only have to rev even higher, not much happening because the belt is so worn it is smaller in width and softer and heats even more, making...
  13. RollaCosta

    Please chime in on chains

    At about 50000 Km, I've had the chain replaced with the original, which was 525. 72L spec. Used original BMW oil "HYPOID AXLE OIL G3" which cost $120 AUD for 500 ML :( IDK if that was necessary but that was insurance against the plastic-metal wear, I'm told. Gasket reused, axle seal new...
  14. RollaCosta

    Please chime in on chains

    In appreciation of the upcoming chain replacement, may I ask those who have touched on the subject: - Have you ever replaced the final chain; at what mileage? - Was it a 520 or 525 chain? 72 links, right? - Any issues with plastic rail wear? - Must you use ec$$$pensive BMW oil? - Gasket...
  15. RollaCosta

    Wall Street Journal BMW C650GT review

    Larger tyres would necessitate even higher seat. It is already too high for some, especially when you want a proper wind protection comfort - with high tail (because you're sitting on the rear wheel + the helmet-tall storage box) you need even higher front, this adding weight. This is why I...
  16. RollaCosta

    Cycle World CE 02 Review (Feb. 28, 2024)

    This one looks better than CE04, but short range will not do it for me
  17. RollaCosta

    2013 drive belt replacement C650gt

    This reads like a bad idea, to let it rip inside the case leaving sticky burnt rubber all over the place, and the input shaft spinning madly without load for some time before you kill the engine, wearing / burning the bearings out… been there done that, not nice. Typically happens when you load...
  18. RollaCosta

    Are you running a Denali SoundBomb Horn?

    May I suggest Denali Soundbomb Mini instead? You have a better chance of fitting it in, because of the smaller size. I have had one on my T-Max and it was a blast!
  19. RollaCosta

    2013 drive belt replacement C650gt

    @650Gtbrat Aside from you buying a lemon belt (cheaply) all looks good. You're supposed to change them every second service (20000km). Malossi X K belt is a good one, at median price and may last longer.
  20. RollaCosta

    Thinking Of Buying A 650

    BMW C650 GT is almost the perfect bike. I was surprised at how "innocuous" it handles, while looking "big and puffed". Filtering was also the same as the Sport. I would have gotten one, but now I am too invested in the C650 Sport, and I like to be able to put my feet on the passenger pegs, sort...
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