GT750 Water leak

Discussion in 'Classic Motorbikes' started by Rasman99, Jul 31, 2005.

  1. Rasman99

    Rasman99 Guest

    Anybody had any experience of a water leak at the impeller plate on a GT750
    (Kettle).
    I have changed the gasket, changed the plate and tried large quantities of
    gasket goo. The crankcase face seems OK as does the plate face but water
    continues to pour from it.
    I am assuming that it is not the plate or gasket now but something more
    sinister.
    Anybody had or know of anyone thats had a similar or same problem.

    Ras
    Gt750 red Gt750 blue
    --
     
    Rasman99, Jul 31, 2005
    #1
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  2. Rasman99

    Shep© Guest

    If this were a CX500 I'd point you here,
    http://www.elsham.pwp.blueyonder.co.uk/cx500/mechanical_seal/

    Have a read anyway.I don't know how the,"Kettle's" coolant system
    works but on the CX the Cam-shaft end has the coolant system impeller
    on the end of it once the back of the crankcase is on.Between the
    inner crank joint and the back crankcase joint there's a,"Mechanical
    seal".This prevents the oil and the coolant mixing at this joint
    however it's a known fault when the Mechanical seal synthetic part
    decays that we get a coolant,"Seep" from the back of the crankcase as
    there's a small bleed hole to allow for this and warn the user of the
    impending full failure of the seal.
    Maybe the,"Kettle's" have a similar thing but click here an
    subscribe anyway as i'm sure the guys on these places should have the
    answer,
    http://www.thekettleclub.org.uk/links/links.htm

    HTH :)
     
    Shep©, Aug 2, 2005
    #2
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  3. Rasman99

    Rasman99 Guest

    You are spot on and thanks for your reply. I got a hold of the kettle club
    guys and coughed up (well worth it). The impeller shat is worn at the point
    it passses through the seal, probably because the engine has sat around with
    hard water in it for years.
    Getting the pump out was a bastard (grade 1) but I have managed it withour
    wrecking anything other than the pump.
    All I need to to do now is to part with around £100 and get a new pump.
    Had me well baffled that did.
    Thx again

    Ras
    Gt750 red Gt750 blue

    --
     
    Rasman99, Aug 2, 2005
    #3
  4. Rasman99

    Shep© Guest

    A tip from one of the CX Experts Rob Davis.Don't skimp on your
    coolant.Use,"Halfords" advanced formula(Purple-orange colour)It's
    about £15 a gallon.It is phosphate free and lasts at least 5 years and
    helps prevent scaling and synthetics decay e.g seal and pipes and use
    Distilled water when you make you your mix(Unfrozen ice from inside
    your fridge-freezer will do as it's de-ionized).

    HTH :)
     
    Shep©, Aug 2, 2005
    #4
  5. Rasman99

    Shep© Guest

    You got any links to piccys of your Kettles?
    There's a couple of beauts in Hull,both in the original Metallic Blue
    and in fine fettle :)
     
    Shep©, Aug 3, 2005
    #5
  6. Rasman99

    Ace Guest

    FFS you guys, learn to snip, will ya?

    --
    _______
    ..'_/_|_\_'. Ace (brucedotrogers a.t rochedotcom)
    \`\ | /`/ GSX-R1000K3
    `\\ | //' BOTAFOT#3, SbS#2, UKRMMA#13, DFV#8, SKA#2
    `\|/`
    `
     
    Ace, Aug 3, 2005
    #6
  7. Rasman99

    Andy Clews Guest

    Thus spake Shep© unto the assembled multitudes:
    It's a nice-looking bike, that Kettle
    Especially when in fine fettle
    I'd go as far as to say
    They were great in their day
    What a pity they weren't made of metal. :)


    I used to have a real hankering for the GT500 twin stroker; the only
    2-stroke I ever hankered after. Wish I'd had one, if only for a while to
    get it out my system. Are there many still about? I haven't seen one for
    years.
     
    Andy Clews, Aug 3, 2005
    #7
  8. Rasman99

    'Hog Guest

    It was actually a very good engine, surprisingly strong torque in
    standard spec and quite quick when ported, although my experience is of
    the earlier T500 Teapot.

    'Hog
     
    'Hog, Aug 3, 2005
    #8
  9. Rasman99

    Andy Clews Guest

    Thus spake 'Hog unto the assembled multitudes:

    [GT500]
    I rode pillion on one a couple of times and it pulled pretty well. I rode
    the baby version (T250 Hustler) for a few months - it belonged to a friend
    - until I was knocked flying by a Cortina driver who had jumped a red
    traffic light at a crossroads. Ahh, Cortina drivers, didn't ya just love
    'em?
     
    Andy Clews, Aug 3, 2005
    #9
  10. Rasman99

    Shep© Guest

    FFS learn not to read posts that you want snipping?
    Heh.Heh :)
     
    Shep©, Aug 4, 2005
    #10
  11. Using the patented Mavis Beacon "Hunt&Peck" Technique, Shep©
    <raises eyebrow>

    --
    Wicked Uncle Nigel - Manufacturer of the "Champion-105" range of rearsets
    and Ducati Race Engineer.

    WS* GHPOTHUF#24 APOSTLE#14 DLC#1 COFF#20 BOTAFOT#150 HYPO#0(KoTL) IbW#41
    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 GTS1000
     
    Wicked Uncle Nigel, Aug 4, 2005
    #11
  12. Rasman99

    Shep© Guest

    I love it.

    You spotted my deliberate use
    The counter parlance of,"Fettle"
    Which inspired you no doubt
    And put you on your Mettle :)

    Go on.You know you want to and now you have the money<grin>,
    http://search.ebay.co.uk/GT500_W0QQfromZR40
     
    Shep©, Aug 4, 2005
    #12
  13. Rasman99

    Shep© Guest

    You only got one eye Unk?
     
    Shep©, Aug 4, 2005
    #13
  14. Using the patented Mavis Beacon "Hunt&Peck" Technique, Shep©
    I currently have two. I even have two eyebrows[1].

    I just chose to raise one of them.


    [1] *Waves* to Kiran

    --
    Wicked Uncle Nigel - Manufacturer of the "Champion-105" range of rearsets
    and Ducati Race Engineer.

    WS* GHPOTHUF#24 APOSTLE#14 DLC#1 COFF#20 BOTAFOT#150 HYPO#0(KoTL) IbW#41
    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 GTS1000
     
    Wicked Uncle Nigel, Aug 4, 2005
    #14
  15. Rasman99

    Andy Clews Guest

    Thus spake Wicked Uncle Nigel unto the assembled multitudes:
    You are Mr Spock and I claim my five thousand galactic credits.
     
    Andy Clews, Aug 4, 2005
    #15
  16. Rasman99

    Andy Clews Guest

    Thus spake Shep© unto the assembled multitudes:
    Bastard. :)
    Looks quite nice, too, though I'm sure TOG might have a thing or two to say.

    However, I only have room for one bike, and my Trident is too much fun.
    And eeek! that skinny back tyre...and anyway, it's in bloody Flintshire.
    You don't expect me to traipse all the way up there, do you? No, no, no.
    <tries desperately to think of more excuses>
     
    Andy Clews, Aug 4, 2005
    #16
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