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Project 73 Suzuki GT380

Discussion in 'Other Projects - Other Bikes (non 250's)' started by kiffsta, Sep 7, 2019.

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  1. kiffsta

    kiffsta Senior Member

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    You guys are bloody legends
     
    kiffsta, Apr 22, 2020
    #161
  2. kiffsta

    kiffsta Senior Member

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    We set the carbs and oil pump as per the manual , and it starts easily with the kicker.

    I took her out for her first ride in 20 odd years , surprisingly she rode really well, but after a spirited run, she conked out and needed a few kicks to start again

    carbs off and I found the fuel floats were all 3-4mm out , they have been adjusted now and I am hoping to fit the airbox later today

    232258C5-7CA4-4815-B8F7-5328D35E0B79.jpeg
     
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    Last edited: Apr 23, 2020
    kiffsta, Apr 23, 2020
    #162
  3. kiffsta

    kiffsta Senior Member

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    ******* airbox rubber boot, **** you Mr Suzuki

    **** **** ****, nla from Suzuki **** **** **** Knuckles skinned , not happy .

    Googling pod filters now
     
    kiffsta, Apr 23, 2020
    #163
  4. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    Don't be daft!
     
    ruckusman, Apr 23, 2020
    #164
  5. kiffsta

    kiffsta Senior Member

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    I will win this war, just not today
     
    kiffsta, Apr 23, 2020
    #165
  6. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    Just one missing?

    Pics of the others

    I reckon someone here will have a brilliant idea, not likely me, thinking @Murdo for starters - use the combined brain & neural network we have here
     
    ruckusman, Apr 23, 2020
    #166
  7. kiffsta

    kiffsta Senior Member

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    my intake boot is 45 years old and is hard as a rock. pic for attention

    boot.jpg

    I have used the heatgun today to soften it, it went on a bit but it wont go all the way. I am thinking I need to remove each carb, then mount them in the inlet carb boot, then push the whole sehbang onto the barrels. The intake boots are NLA from Suzuki, although one guy in Portugal has one, but I am not paying $400 delivered . She deserves a new one but not at $400, my T500 one was $40 from Suzuki

    https://www.ebay.com.au/itm/SUZUKI-...315980?hash=item1f0df796cc:g:xggAAOSwTtheh3Yc
     
    kiffsta, Apr 23, 2020
    #167
  8. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    OK, for that sort of money, it's a more complicated piece than I had imagined, it's definitely worth doing the oil of wintergreen method and I did see that Mikuni has some actual magic sauce available for softening hardened rubber parts - worth an enquiry to mikunioz perhaps

    We did have a dedicated thread here and there is stuff that definitely works to replenish the plasticisers in rubber
     
    ruckusman, Apr 23, 2020
    #168
  9. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    ruckusman, Apr 23, 2020
    #169
  10. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    If I were doing that I would find another carb or pipe of the same size and with the heat gun soften the intake until fitted over the carb/pipe. Fit the hose clamp and reheat the duct until soft enough to stretch it to make long enough to fit airbox to carbs. Let cool and do the next one. Some more heat may be required when fitting to the bike but not too much so that it goes back to the old shrunken shape.
     
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    Murdo, Apr 23, 2020
    #170
  11. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    This stuff has softened original hardened rubber's on my 1967 XR Fairmont.
    I should really try it on my old FZR airbox rubber's
    [​IMG]
     
    my67xr, Apr 23, 2020
    #171
  12. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    Boil a big pot of water and dump in there for a while, take it out and fit it immediately (with gloves). Have had to this with bikes at work on a few occasions.
     
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    Linkin, Apr 23, 2020
    #172
  13. kiffsta

    kiffsta Senior Member

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    Good suggestions . Thanks everyone for your input
     
    kiffsta, Apr 23, 2020
    #173
  14. kiffsta

    kiffsta Senior Member

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    It is on, I had to use a Dremmel to remove some of airbox boot material to allow the carb to properly seat into it

    D9C781AB-3513-4C02-8B49-E8513ED860E8.png 0F37358C-6C67-4535-9A3D-2EE765BA2B89.jpeg D01C52C7-01A4-468C-B2AA-45A0469F6ADD.jpeg
     
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    kiffsta, Apr 24, 2020
    #174
  15. James Mclaren

    James Mclaren Active Member Contributing Member

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    James Mclaren, Apr 24, 2020
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  16. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Have you got the throttle cable to carby boot's for the carb's ?
    Same boot is used on the choke cable end's
    Try spraying some wd40 etc where the cable's enter the carby when it's idling, if the idle changes then you'll need them.

    I have had a couple of bike's that wouldn't run spot on without them, they had a slight vacuum leak at idle and it increased as the rev's rise, i had to temporarily tape them up to seal them until i found some more.

    https://www.supercheapauto.com.au/p...s-silicone-tape---black-3m-x-25mm/326479.html


    [​IMG] [​IMG]



    https://www.cmsnl.com/products/cap_1368116601/#.XqJFQ3UzZ9M

    Part number 11368116600 is obsolete and is replaced by 1368116601

    [​IMG]
     
    my67xr, Apr 24, 2020
    #176
  17. kiffsta

    kiffsta Senior Member

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    Well , after trying everywhere to get the choke plunger holder , I gave up looking for oem and asked the guy who rebuilt my crank and bored my cylinders to see if he could modify the Gsx250f one that I had .


    Pretty stoked with what he did

    537AEDB9-13FE-4954-82C3-0205E0ACEF91.jpeg
    Now for the next job, my airbox and carbs have to come out again because the centre carb is not correct, it shouldn’t have a vac port for the petcock on it. I searched my spares box and found the correct carb, so it will be refurbished then fitted up.

    4CA91F12-4B5B-47DE-B506-FEB5A4DE0D3D.jpeg


    2 steps forward and 1 step back

    finally an update on my side covers , they we’re supposed to be painted last weekend but my painter accidentally grabbed a hot pan that had just come out of the oven and he has serious burns on all 5 fingers. He said it will be a few weeks before he is back painting
     
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    kiffsta, May 1, 2020
    #177
  18. kiffsta

    kiffsta Senior Member

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    Fitted my new choke fitting today , replaced the centre carb and also fitted the rubber cable boots as pointed out my @my67xr , she holds a really nice idle. The seals on the choke plunger holders were gone, so I found some nice green litetek ones in my spares box so they are fitted now :)

    I have a small oil leak from the neutral switch which I will look at now

    literally just waiting for side covers from the painter and it will be time for rego

    843A5CFB-5C80-468F-855C-DCC1CE7B9043.jpeg
     
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    Last edited: May 8, 2020
    kiffsta, May 8, 2020
    #178
  19. jmw76

    jmw76 Well-Known Member

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    Look'n good. What a great little project.
     
    jmw76, May 8, 2020
    #179
  20. kiffsta

    kiffsta Senior Member

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    One part of the bike that I am not 100% happy with is the seat cover , the vinyl pattern is off a 76-77 model, I found a replacement cover in the uk with the correct pattern for $76 delivered

    once it arrives , I will get it fitted and have the period correct chrome trim added to the side

    A739511F-2A51-4B6E-A7E3-0B4F577B9A79.jpeg
     
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    kiffsta, May 9, 2020
    #180
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