Oil Cap Weaping 765rs

Discussion in 'Technical Help' started by AndyGuy, May 13, 2022.

  1. AndyGuy

    AndyGuy Member

    Nov 27, 2020
    71
    18
    County Durham
    Hi, just had 765RS serviced other week and when out on a long ride noticed oil weaping out the oil cap.
    Tried tightening it but didn’t make any difference.
    Can’t see anything at all wrong with the O ring, just wondered if anyone else had same issue.

    can’t get to a shop over the weekend for a replacement. But because I can see anything wrong with the current I was wondering if it was maybe to do with how tight it should be ?

    thanks
     
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  2. Carl556

    Carl556 Senior Member

    Nov 13, 2019
    260
    113
    Durham Uk
    Is it leaking much? Could be slightly over filled. Or maybe residual oil on the cap itself. I would check the level properly and if it’s bang on take it for a longish ride to get it burnt off. If it’s slightly overfilled a rubber tubing and syringe will get rid of the excess.
     
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  3. AndyGuy

    AndyGuy Member

    Nov 27, 2020
    71
    18
    County Durham


    Not enough to thinking about topping it up, an hours ride and maybe a wipe with a tissue
    Oil level seems ok, I’ve had it out a couple of hours and didn’t change.

    if I could of seen something on the o ring it would of made sense
     
  4. TRIPLE X

    TRIPLE X Senior Member

    Sep 1, 2021
    349
    113
    Downham Market, Norfolk
    Could be trapped grit. I would remove the o-ring to clean it then put it back the other way up. Also clean around the seating surfaces with a cotton bud. And don't overtighten it. If that does not work replace the o-ring.
     
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  5. TRIPLE X

    TRIPLE X Senior Member

    Sep 1, 2021
    349
    113
    Downham Market, Norfolk
    Is the o-ring a loose fit on the cap? When I bought my 1050 RS the o-ring was a sloppy fit on the oil filler cap and tended to distort if overtightened. I replaced it with a tighter fitting one.
     
  6. AndyGuy

    AndyGuy Member

    Nov 27, 2020
    71
    18
    County Durham


    the o ring is a tight fit on the cap

    the counter bore it sits in is a lot larger as I actually thought it should of been bigger
     
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