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How to check for sumping...

  • Nutty
    Nutty
    5 years ago
    Quick check:
    Tools: hex keys, measured 1 litre container, oil-proof Loctite. 
    Method: 
    1) start the bike and do a short warm-up ride
    2) stop the bike whilst still vertical
    3) put bike on lifter 
    4) remove hex grub screw under crankcase on RHS of bike. 
    5) catch sumping volume in container 
    6) Check crank load is about 200ml
    7) Loctite grub screw and re-install 

    Dealers ARE NOT checking sumping volume and have NO IDEA if a problem is developing. Check every 4000km and before every dealer service.

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