Featured Tiger 90 Rebuild

Discussion in 'Vintage Classics' started by Sir Clip, Feb 6, 2022.

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  1. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
    143
    Exeter
    Greetings everyone, yesterday I got my mitts on a ‘67 Tiger 90. It’s in barn fresh condition so needs a full rebuild. I know my way around other makes of British bikes from the 50s and 60s, but this is my first Triumph. It’s complete, matching numbers and has enough patina to keep it as an original restoration. Now if I can work out how to attach pictures to this forum I will.

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  2. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    Great project :)
     
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  3. Helmut Visor

    Helmut Visor Only dead fish go with the flow
    Subscriber

    Oct 3, 2018
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    Does it help with the rebuild if you do it in zero gravity :p
     
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  4. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
    143
    Exeter
    I left the anti-gravity unit switched on overnight and that’s what the shed looked like when I opened the door this morning.
     
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  5. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
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    Exeter
    Let’s try again...

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  6. Adie P

    Adie P Crème de la Crème

    Jul 7, 2018
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    Ooooooh that's going to be NICE!:):cool:
     
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  7. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
    143
    Exeter
    Right hand fork had more water in it than oil. The water is the puddle on the floor, the black stuff is the fork oil.

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  8. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
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    Exeter
    The steering was a bit notchy, so I was expecting to see the cups and cones all pitted. As it turns out the grease had dried like tar, so when I looked at things closely the races were all OK. Picture of the upper race here.

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  9. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
    143
    Exeter
    Now down to the bare frame. Checked for straightness along the length, height and width. Steering column straight. Swinging arm has no free movement and is correctly aligned, so no reason to take it out. All the brazed joints are are solid, and there is no significant rust. I think this is an all time first!

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  10. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
    143
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    All the lugs appear to be OK, but the bracket to hold the coils has been repaired, and this could be bettered. Can’t get one of the centre stand bolts out, which I need to as it’s a very sloppy fit. Other lugs have round - not oval - holes.
     
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  11. darkman

    darkman Crème de la Crème

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    Good progress and nice if you can use as many of the original parts possible as pattern parts are rubbish.
     
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  12. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
    143
    Exeter
    Spent the afternoon in the workshop but with little progress to show for it. The bolt holding the side stand on had to be cut off. Picture shows the side stand with a bent leg and the remains of the bolt.

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  13. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    Its always the little jobs that take longer :)
     
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  14. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
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    Straightened the centre stand this morning.

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  15. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
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    Exeter
    And the spare parts are starting to arrive, here’s a replacement wiring loom, with diagram. Things are so easy now, 20 years ago I had to make a loom for a restoration project, but that was when you could go to a local car spares shop and buy lengths of coloured wire.

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  16. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    Great news on sorting out the stand :)
     
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  17. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
    143
    Exeter
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  18. darkman

    darkman Crème de la Crème

    Oct 26, 2015
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    You req a glass type 35 amp UK fuse, you will see 17-20-25 amp quoted but that is US only as they use a different rating.
     
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  19. Sir Clip

    Sir Clip Senior Member

    Jan 8, 2022
    853
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    Exeter
    Thanks Darkman, I rummaged around my box of electric bits and found a 20 amp fuse, but will find a 35amp one.
     
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  20. Armando Morales

    Armando Morales Noble Member

    Mar 29, 2021
    881
    443
    Mexico
    That looks like a fun project !
    Love the antigravity, it would make it a lot easier to fit the ball bearings on the bottom :cool:
     
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