You may point and laugh

Discussion in 'UK Motorcycles' started by The Older Gentleman, Dec 22, 2006.

  1. The Older Gentleman, Dec 22, 2006
    #1
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  2. Using the patented Mavis Beacon "Hunt&Peck" Technique, The Older
    Worth an article or two, ITYM.

    --
    Wicked Uncle Nigel - Podium Placed Ducati Race Engineer as featured in
    Performance Bikes and Fast Bikes

    WS* GHPOTHUF#24 APOSTLE#14 DLC#1 COFF#20 BOTAFOT#150 HYPO#0(KoTL) IbW#41
    SBS#39 OMF#6 Enfield 500 Curry House Racer "The Basmati Rice Burner",
    Honda GL1000K2 (On its hols) Kawasaki ZN1300 Voyager "Oh, Oh, It's so big"
    Suzuki TS250 "The Africa Single" Yamaha Vmax Honda ST1100 wiv trailer
     
    Wicked Uncle Nigel, Dec 22, 2006
    #2
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  3. What I was thinking.

    Even if it turns out to be utterly phucked, the parts are worth twice
    the price paid.
     
    The Older Gentleman, Dec 22, 2006
    #3
  4. The Older Gentleman

    JB Guest

    The best of the Honda V4s I reckon. Sort of a '4-stroke LC' of its time.
    Pain in the arse to work on though.
    Anyone who can get the exhaust off in a _reusable_ condition is a better man
    than me.

    JB
     
    JB, Dec 22, 2006
    #4
  5. Doesn't it? Fingers crossed for the "tappets need doing". Anyone ever
    done the valves on a VF500? I'm assuming things like radiators and
    suchlike have to be removed first.
     
    The Older Gentleman, Dec 22, 2006
    #5
  6. The Older Gentleman

    Lozzo Guest

    Wicked Uncle Nigel says...
    You are not far wrong. I did the tappets on my VF400 - which are screw
    and locknut, I believe the 500 has the same set-up - and just to do the
    front bank took about 4 hours. Rads and everything around the front has
    to come off. Doing the rear bank takes even longer because most of the
    bike has to be stripped down and they're tucked away behind frame rails
    at a funny angle to work on.

    I was doing mine in my mates shop the night before sailing for France,
    we didn't bother with the rear ones as the fronts needed so little
    adjustment we didn't think it necessary plus we'd run out of time.
     
    Lozzo, Dec 22, 2006
    #6
  7. Screw and locknut on the early V4s, I think.
     
    The Older Gentleman, Dec 22, 2006
    #7
  8. Tidy, is that fitted with that newfangled anti dive fork setup, or was that
    the CBX550, my memory escapes me ?
     
    Brownz \(Asus S6F Vista\), Dec 22, 2006
    #8
  9. Using the patented Mavis Beacon "Hunt&Peck" Technique, The Older
    Never let the facts stand in the way of a cheap gag, etc, etc...

    --
    Wicked Uncle Nigel - Podium Placed Ducati Race Engineer as featured in
    Performance Bikes and Fast Bikes

    WS* GHPOTHUF#24 APOSTLE#14 DLC#1 COFF#20 BOTAFOT#150 HYPO#0(KoTL) IbW#41
    SBS#39 OMF#6 Enfield 500 Curry House Racer "The Basmati Rice Burner",
    Honda GL1000K2 (On its hols) Kawasaki ZN1300 Voyager "Oh, Oh, It's so big"
    Suzuki TS250 "The Africa Single" Yamaha Vmax Honda ST1100 wiv trailer
     
    Wicked Uncle Nigel, Dec 22, 2006
    #9
  10. The Older Gentleman

    Dave Emerson Guest

    Yes, they are a *real pain* - skinned knuckles etc.

    BTW if they sound like they need doing then there's either another problem,
    since they always wear tight not loose, or someone screwed-up when they did
    them last. The most common error is only using one feeler gauge, so the
    rocker can tip on the shaft and give a false reading as the wear on the
    shaft is added to each valve stem - you should always take up the slack with
    a gauge on one valve as you measure/set the other. Though again this results
    in the effective clearance being too tight.

    This only applies when a single rocker is shared by two valves - 3, 4 or
    5-valve heads.
    Wots-the-bet that's what each of the previous owners had also done, so the
    rears had never been checked.

    The same rule can be applied to the centre spark-plug on triples and many
    similar examples.

    The interesting thing is that this very rarely results in failure and begs
    the question as to the real value of "preventative maintenance" - how many
    things do you know that were working fine until they were "fixed"?
     
    Dave Emerson, Dec 22, 2006
    #10
  11. Didn't you help AntE do his 400 some years ago? I doubt it's that
    different.[/QUOTE]

    His were shim adjusted, and yes, we did check them all, and luckily they
    were all within tolerance. And I remember it was an absolute arse of a
    job.
     
    The Older Gentleman, Dec 22, 2006
    #11
  12. I think the V4s had anti-dive, yes. Waste of bloody time and
    engineering.
     
    The Older Gentleman, Dec 22, 2006
    #12
  13. The Older Gentleman

    Lozzo Guest

    Dave Emerson says...
    I know the previous owner, and this was the first full service it'd had.
    I bought it with really low mileage. We did them when I got back from
    France and they needed next to no adjustment IIRC.
    My Bandit being a case in point.
     
    Lozzo, Dec 22, 2006
    #13
  14. The Older Gentleman

    platypus Guest

    My GSX550 had some sort of brake-integrated anti-dive system.
     
    platypus, Dec 22, 2006
    #14
  15. The Older Gentleman

    mups Guest

    My RD had it as well, braking hard(ish) on a bumpy road and the front
    end would sometimes rise, most odd.
     
    mups, Dec 22, 2006
    #15
  16. The Older Gentleman

    Lozzo Guest

    mups says...
    Sounds like my C90.
     
    Lozzo, Dec 22, 2006
    #16
  17. The Older Gentleman

    Dave Emerson Guest

    mups says...
    Sounds like my C90.


    or an MZ ES150
     
    Dave Emerson, Dec 22, 2006
    #17
  18. The Older Gentleman

    platypus Guest

    That's a leading-link thing, though. The new toy has Earles-type suspenders
    which seem to be set up to dive very slightly, and seriously outperform the
    TLS drum that's propped up between them.
     
    platypus, Dec 23, 2006
    #18
  19. The Older Gentleman

    sweller Guest

    You're off your fucking face. It looks awful - and from me that's an
    insult that goes up to 11.
     
    sweller, Dec 23, 2006
    #19
  20. The Older Gentleman

    DR Guest

    By the time my GSX550ES came into my possession, the anti-dive was
    effectively, erm, ineffective. "Squeeze and pray" was the expression
    that came to mind. As I had no experience of other (i.e. better)
    bikes at the time, I considered the performance at least adequate.
     
    DR, Dec 24, 2006
    #20
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