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  1. steve l

    Water Pump 02 - Seal Replacement

    See also: C600, C650GT Technical / Water Pump 01 - Access Repair options; (1) BMW sell the RHS engine cover complete with water pump for £160, I managed to find a NOS (new old stock) one on Ebay for £100. (2) Import a repair kit from Italy, total cost £70. This includes the impeller shaft that...
  2. steve l

    My new to me 2013 C650GT is limited to 97mph indicated speed. Previously modified?

    My 2017 GT got to 107mph on the GPS, 2 up, on a deserted Spanish motorway. Interestingly the speed did not increase on the slightly down hill section after the test. I do wonder if they are limited in some way.
  3. steve l

    c650 sport

    Check the wheel bearings as a leaking oil seal is the first sign they are on the way out. The final drive rubbers were removed from 2016 on the MK2.
  4. steve l

    C650GT Rear Wheel Bearing Life

    2017 BMW C650GT MK2 Rear Hub 40 x 62 x 23mm Sealed Needle Roller Bearing (marked NA4908ARS 2RS) 40 x 68 x 15mm Sealed Ball Bearing (marked FAG 6008 2RSR) 50 x 62 x 7mm Driveshaft Oil Seal Double Lipped 40 x 1.5mm Sprocket O Ring 34 x 48 x 8mm Chaincase Cover Oil Seal Double Lipped
  5. Nitron Fitted (1).jpg

    Nitron Fitted (1).jpg

  6. Nitron Fitted (2).jpg

    Nitron Fitted (2).jpg

  7. Nitron MK3 Fitting (2).jpg

    Nitron MK3 Fitting (2).jpg

  8. Nitron MK3 Fitting (3).jpg

    Nitron MK3 Fitting (3).jpg

  9. Nitron MK3 Fitting (6).jpg

    Nitron MK3 Fitting (6).jpg

  10. steve l

    Diagnostic advice please for 2016 C650 GT - MotoScan App & OBD2 alternative

    I recently removed my battery for 2 weeks when upgrading the forks, without issues with the windscreen. All I did was set the screen to the lowest positions before working on the bike.
  11. steve l

    Generation identification

    MK2 has double barrel (shotgun) silencer. But to be safe look for the oil feed to the cam chain tensioner.
  12. steve l

    DIY TPMS Change

    Leave the bike stationary for half an hour before starting the learn process. It is essential that only the sensor you wish to learn is active and its ID number is only visible in the MotoScan app after the learn process. The ID is not printed on the sensor case or packaging. Establish a...
  13. steve l

    C650GT Rear suspension Upgrade

    A generally accepted recommended setting for motorcycle rear suspension is 15% static sag (no rider) and 25% (passenger and/or rider seated) dynamic sag. BMW advise the maximum permitted payload is 405 pounds (184 kg) but with this load in place the bike is dangerous as the centre stand...
  14. steve l

    C650GT Rear Wheel Bearing Life

    The rear wheel bearings on my bike last around 12,000 miles, which I presumed was due to it regularly carrying two heavy people plus luggage. Recent facebook group posts have shown this not to be an isolated event, does anyone have any knowledge of the typical wheel bearing life or experienced...
  15. steve l

    C650GT Stiff Final Drive Chain

    In 2017 I purchased new a 650GT and this has now done 24,000 miles (40,000Km). During a resent investigation into excessive vibration, that was traced to the rear wheel ball bearing. It became apparent the final drive chain links were stiff and contributing to the issue. The chain is not worn...
  16. steve l

    BMW 2017 C650GT Chain Stiff

    While investigating a puling vibration at 50mph through the seat and footboards it came to light my final drive chain O rings have hardened/expanded resulting in many stiff links. The vibration was eventually traced to a notchy rear wheel bearing which was replaced. It is puzzling to me that...
  17. steve l

    C650GT Replacing timing chain tensioner Help!

    See: for photos of the process. I have a .PDF of the process but it is to big to upload. PM me your email address and I will sent it to you.
  18. steve l

    C650GT Replacing timing chain tensioner Help!

    This is the information on the parts required.
  19. BMW Cover June 2020 C650GT.jpg

    BMW Cover June 2020 C650GT.jpg

  20. Spain 2019 (23).jpg

    Spain 2019 (23).jpg

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