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Thread: About to start up an H1 after 15 years in storage

  1. #1
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    20th February 2013 - 08:30
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    About to start up an H1 after 15 years in storage

    Finally decided to wheel out the H1e500 that has been stored for the last 15-years and attempt to fire it up. The motor turns over on the kickstart ok and it has been stored with clean engine oil, oil down the bores etc. I plan to drain and replace the oil/filter before starting and again straight after it is warm (presuming it starts).
    Can anyone see an issue with this? Is there a possibility that the crankcase seals and or other case seals may have perished to such a degree that they may damage the engine.

    Appreciate any thoughts on this.

  2. #2
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    Quote Originally Posted by iaingsx1300r View Post
    Finally decided to wheel out the H1e500 that has been stored for the last 15-years and attempt to fire it up. The motor turns over on the kickstart ok and it has been stored with clean engine oil, oil down the bores etc. I plan to drain and replace the oil/filter before starting and again straight after it is warm (presuming it starts).
    Can anyone see an issue with this? Is there a possibility that the crankcase seals and or other case seals may have perished to such a degree that they may damage the engine.

    Appreciate any thoughts on this.
    I'd be surprised if the crank seals weren't fucked after 15 years.

  3. #3
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    Smile

    Quote Originally Posted by Crasherfromwayback View Post
    I'd be surprised if the crank seals weren't fucked after 15 years.
    Do I interpret that as " no, dont do it without first splitting the cases and replacing all the seals"?

  4. #4
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    Quote Originally Posted by iaingsx1300r View Post
    Do I interpret that as " no, dont do it without first splitting the cases and replacing all the seals"?
    suck it and see. whats the worst that can happen?
    I thought elections were decided by angry posts on social media. - F5 Dave

  5. #5
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    Im looking out the window and I can see a shit load of blue smoke and can hear the sound of a thousand tin cans with marbles in them rolling down the road. You live in Onehunga and got it going didnt you?

  6. #6
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    Quote Originally Posted by iaingsx1300r View Post
    Do I interpret that as " no, dont do it without first splitting the cases and replacing all the seals"?
    Quote Originally Posted by HenryDorsetCase View Post
    suck it and see. whats the worst that can happen?
    By all means see if it fires up. Just be careful when running it.

  7. #7
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    Quote Originally Posted by skippa1 View Post
    Im looking out the window and I can see a shit load of blue smoke and can hear the sound of a thousand tin cans with marbles in them rolling down the road. You live in Onehunga and got it going didnt you?
    Ah fond memories.....but not me however!
    I'm yet to take that final step and fire her up so I can experience the wonders of 15 years past

  8. #8
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    Video it!

    This is my old H1A, not long before a big meltdown:


    www.PhotoRecall.co.nz

  9. #9
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    Quote Originally Posted by kiwifruit View Post
    Video it!

    This is my old H1A, not long before a big meltdown:

    >
    Sound great don't they!

  10. #10
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    Quote Originally Posted by iaingsx1300r View Post
    Do I interpret that as " no, dont do it without first splitting the cases and replacing all the seals"?
    you could 'try' a bit of 'black magic'.. spray a silicon/seal lube into the crankcase and let it soak for several hours.. (would mean removing the top end) then turn it gently and slowly over by hand for several revolutions.... Likelihood is though, they will have hardened anyway and will likely fail sooner or later. As long as the rings arent stuck etc, the obvious sign is that it wont tick over properly, and/or run lean as the crankcase seals themselves are allowing air into the crankcase chamber. Remember there are seals between each cylinder as well.

    Good luck, if it's a 500e? it isnt an 'H1'... H1, H1a, H1b, and some H1c are the 'originals', H1e is stamped on the motor, H1f on the frame E=engine F=frame. If it has a 'tail piece' disc brakes, and shows signs of factory produced 'triangulation plates' welded into the frame? it's a later or KH500, the porting was also revised in the later models, losing about 15mph to the mach 3 proper. There was also a mid 70's 500 that had mach 111 on the side panels, just to add confusion, it was known as the KH500 in England. the very earlt H1/H1a have a small plastic pipe on the outside of the oiltank as a 'level sighter'.. they also have a slab sided tank very similar in design to the Avenger/Samuri 2t's that preceded them. The later 'softer' tuned had the smooth sculpted fuel tanks. However just to add MORE confusion the H1c had some 'leftover' h1a/b motors fitted, as well as the 'softer tuned' version that replaced it.
    Early models have a straight exhaust, the later ones have the well known 'riser' pipe design.
    If the road to hell is paved with good intentions; and a man is judged by his deeds and his actions, why say it's the thought that counts? -GrayWolf

  11. #11
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    [QUOTE=kiwifruit;1130503490]Video it!

    This is my old H1A, not long before a big meltdown:


    BASTARD, you just gave an old man WOOD!
    If the road to hell is paved with good intentions; and a man is judged by his deeds and his actions, why say it's the thought that counts? -GrayWolf

  12. #12
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    Thanks guys. I will go ahead this Saturday and give it a go as it stands (being gentle of course)! For the records it is a H1E.
    I plan to take a few pics and maybe a vid if it fires up - cheers

  13. #13
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    Quote Originally Posted by kiwifruit View Post
    Video it!

    This is my old H1A, not long before a big meltdown:
    You're single, right?
    I thought elections were decided by angry posts on social media. - F5 Dave

  14. #14
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    Quote Originally Posted by iaingsx1300r View Post
    maybe a vid if it fires up - cheers
    Roll the video from the first attempt!

    Quote Originally Posted by HenryDorsetCase View Post
    You're single, right?
    Yes

    www.PhotoRecall.co.nz

  15. #15
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    [QUOTE=GrayWolf;1130503502]
    Quote Originally Posted by kiwifruit View Post
    Video it!

    This is my old H1A, not long before a big meltdown:


    BASTARD, you just gave an old man WOOD!
    +1

    You just gota love those 70s big bore two strokes. The Kawasaki 750, what a legend. The waterbottle, the Yammy RD400. Such memories.
    Happiness is a means of travel, not a destination

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