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Oil fiiler cap and fuel tank noise

Discussion in 'V7/V85/V9 Chat & Tech' started by Larry Vance, Jun 14, 2015.

  1. Larry Vance

    Larry Vance Tuned and Synch'ed

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    I had a weird day today. 2013 V7 Special 3200 miles. Part 1 Went for a ride not long, no faster than 60mph. Oil filler cap came loose, shooting oil all over. I stopped tightened it and went back home. I checked the oil the night before and made sure the cap was tight, but it loosened anyway. Has anyone had this issue? I am thinking of using some loctite on it but hesitate because the cap knob is plastic not metal. Does anyone know of a better replacement. Part 2. When I get home and am cleaning the bike I hear a noise from the gas tank that sounds like the fuel pump being energized as if I turned the key on. The key was out when this happened and the sound repeated every 4 to 5 minutes. It seems to have stopped after the bike sat for an hour or so. Any ideas?? Thanks
     
  2. abbienormal

    abbienormal High Miler GT Famiglia

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    Congratulations. You have 2 common items. The oil filler coming loose has been mentioned several times on this forum and if you do a search fixes will be there. No Loctite! The noise you hear is the fuel tank vent valve. Not sure on the V7 but on the 1400 the easiest cure is to remove it. Either that or tolerate the noise. It hurts nothing. It is the hot engine expanding the air and fuel in the tank and the valve releases some when it reaches a certain pressure. Mine is gone.
     
  3. sign216

    sign216 High Miler

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    Yea, on the 750 engine the dipstick often auto-rotates out. It's common. I drilled my cap for a D-ring and wire it shut. Another fellow drilled the case and uses a peg. Some tighten the cap with a wrench.
     
  4. Cam3512

    Cam3512 Tuned and Synch'ed

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    I replaced my stock stick with a metal temp guage dipstick.

    LocTite and plastic = NOT GOOD.
     
    Wisconsin v7 Racer likes this.
  5. elkgrichard

    elkgrichard High Miler

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    Using a wrench to tighten it up. I've already cracked a chunk off the plastic cap with the wrench.
     
  6. tonUPRacer

    tonUPRacer Cruisin' Guzzisti GT Contributor

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    Done the oily boot drill myself. I'm amazed that MG hasn't addressed this. I use a pair of channel locks and just give a little "snug-up" maybe a 1/4 turn and I've never had it happen again.
     
  7. rbm

    rbm Cruisin' Guzzisti

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    I've always done mine up by hand and never had an issue. Now that I've written that, Murphy will wreak a heavy vengeance on me by having my oil dipstick come undone every ride from now on.
     
  8. elkgrichard

    elkgrichard High Miler

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    Be careful with those channel locks I've already cracked a chunk off the dip stick cap. I had it come loose going home from the dealership. I learn early on first day. Other thing that happens is that green rubber seal falls out, one of these days that sucker is going to fall into the sump.
     
  9. sign216

    sign216 High Miler

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    Here some pictures of answers. I use the top "wire method." Another fellow uses the pin below.


    [​IMG] [​IMG]
     
  10. Larry Vance

    Larry Vance Tuned and Synch'ed

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    Thanks all. I will be using the channel lock solution. Spoke to a dealer which had the same suggestion.
     
  11. sign216

    sign216 High Miler

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    Lance,
    Don't give in to the channel locks. Really, fitting a D-ring and wiring it is simpler overall.
    really.
    Joe
     
  12. andyb

    andyb Cruisin' Guzzisti

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    Trouble is, if I wired it, I would be less likely to regularly check the oil level.
    Need a secure locking but QR method - maybe the R pin?
    AndyB
     
  13. sign216

    sign216 High Miler

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    Andy, It's not wired with the stiff safety wire. I used some copper wire that I twist on and off. The twisted ends are concealed in the photo. Ends up being simpler than the channel wrench solution.
     
  14. andyb

    andyb Cruisin' Guzzisti

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    Just a few thoughts.
    On a Jabiru engine I run in a microlight the plastic dip stick surround (very similar to the MG one) expands more than the alloy it is in so that it is impossible to remove when the engine is hot. We always check the oil cold and just do it up snug - and it never shifts.
    On the V7 we are told by MG to check the oil when hot. Which means that we replace the dipstick into a hot engine. So the dipstick may become loose when the engine cools down....and then undoes when ridden.

    It would be much better to check the engine oil level when cold. Then the dip stick is refitted into a cold engine and should lock itself as the engine heats up.

    Checking then engine oil level cold may mean recalibrating the dipstick.....

    AndyB
     
  15. andyb

    andyb Cruisin' Guzzisti

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    Full by the MG method is 3/4 full on my bike, cold, on centre stand - may be different on other bikes - so I will check it cold in future and hope the oil drain cap tightens up as the engine warms due to the different expasion rates of alloy and plastic
    AndyB
     
  16. Larry Vance

    Larry Vance Tuned and Synch'ed

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    I found that after hand tightening the dipstick if I snug it up a bit more with pliers it stays in place.
     
  17. tonUPRacer

    tonUPRacer Cruisin' Guzzisti GT Contributor

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    There's a handy little tool that is being offered on another site. I believe Todd frowns on links so just google "fin design dipstick tool". A number of other V7 owners have ordered and I will be too. I'll be happy to put my channel locks away.
     
  18. Larry Vance

    Larry Vance Tuned and Synch'ed

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    Thanks for info. I will definitely get one.
     
  19. Cam3512

    Cam3512 Tuned and Synch'ed

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    If you know your engine has the proper amount of oil (right after a change) note the level on your dipstick when checking cold. No big deal.
     

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