1967 Bridgestone 350 GTR

Discussion in 'Some Assembly Required' started by Fast Idle, Sep 17, 2018.

  1. tinwelp

    tinwelp Professional Idiot

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    Another fantastic restoration in the works. Brilliant! I expect nothing less than perfection, and everything to be finished-up in precisely two weeks. You sure do set an awfully high bar for yourself!!!

    Are you really going to reuse the old tyres? Great for display, but riding? Hmmmm. Tyres of 50 years ago were pants to start with compared to modern rubber (but admittedly the memory fades...), and these days being able to tip a bike on its ears with nary a hint of a slide is a huge bonus. No matter how OK the original tyres look, they're severely aged. I'd surely throw the bike up the road on the first outing and undo all that good work.

    There's lots of 'classic' looking rubber out there...

    Keep up the excellent work!

    Cheers... Paul
    #81
  2. Fast Idle

    Fast Idle Since the Sixties Supporter

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    No worries Paul. I have 2 sets of wheels so I can have new tires on one set and the correct originals on the other if I can find a rear.
    #82
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  3. more koolaid

    more koolaid Been here awhile

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    DSC00068.JPG

    Well at least change out the rear tire....it has the wear patterns of a poser :rofl
    #83
  4. Fast Idle

    Fast Idle Since the Sixties Supporter

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    The original DID rims look pretty darn good, just a few small nicks here and there. The soda blasting removed any oxidation.
    And the rear sprocket looks just like the ones we had when we were growing up!:photog
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    No rust on any spokes. The rear wheel spokes have some grunge but not too bad. Hoping they will clean up.
    The front ones are in nice shape.
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    Going to have to unlace them to polish the hubs. Really no way around it.
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    Nice cush drive set up. Never seen one just like this before.
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    #84
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  5. Fast Idle

    Fast Idle Since the Sixties Supporter

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    I do like the way Bridgestone did some things on these bikes.
    Snap rings instead of cotter pins for shoe retainers. The brake shoes are the same part # front and rear.
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    And a grub screw for the speedo drive instead of a roll pin in a blind hole.
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    The chrome for the brakes cleaned up nice. No show chrome on this bike. Typical OEM chrome. They didn't completely buff the metal before chroming and the buffing lines are visible on many pieces. And they only buffed the sides that show of course. But still looks nice after 51 years with no peeling.
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    #85
  6. MacNoob

    MacNoob piney fresh

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    :lurk
    One more resto thread for me! <excellent>
    #86
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  7. Bultaco74

    Bultaco74 Been here awhile

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    Nice job, very entertaining.
    #87
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  8. Kaw4Life

    Kaw4Life Long timer

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    Is that the result of elbow grease or some type of magic?

    How about video of the process? (one can dream)
    #88
  9. Fast Idle

    Fast Idle Since the Sixties Supporter

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    The magic is in the soda blasting. It removes all the surface rust and oxidation before you hit it with chrome polish and a rag. That way your starting with a clean part and not trying to polish the chrome with all that grit and rust at the same time. The soda blaster is a must have tool for me. It cleans stuff that nothing else can really get to and doesn't harm the finish.
    #89
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  10. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Some NOS Bridgestone parts started showing up. Small parts that will play a big part in making the bike look good.
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    Got to love vintage motorcycle stuff. Especially brand new parts like these that are fresh out of the time machine parts vault. They look excellent. Check out the gear change rubber part tag printed on an IBM card. Rockford Motors was the importer for the Bridgestones.
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    And some shiny new bling with NOS reflectors.
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    New foot pegs, mounts, and chrome hardware!
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    #90
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  11. AK650

    AK650 Long timer Supporter

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    Cool stuff Steve! Wow, I haven't seen an IBM card since I was in Uncle Sam's employ many moons ago!

    Jeff
    #91
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  12. Bultaco74

    Bultaco74 Been here awhile

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    "Change pedal rubber" that's priceless!
    #92
  13. Richarde1605

    Richarde1605 Long timer

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    Rockford fits well.
    Great that nos bling is out there ...

    Sent from my SM-G950F using Tapatalk
    #93
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  14. BillUA

    BillUA Las Vegas, NV

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    One of my first bikes was a Rockford-(Bridgestone) Chibi 60...I lived in Rockford at the time too :) Ran that thing all over and it never missed a beat. Kept mosquitoes away too.

    Cool build! Thanks for the thread.
    #94
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  15. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Some of the parts seem plentiful and reasonably priced. Others are elusive and expensive if you do find them.
    No problem finding a shiny new tail light lens and rear brake switch.
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    Found a new front fender stay to replace the one with road rash. Plus a new front sprocket, shift lever, kick start and kick stand rubbers.
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    New clutch perch with lever and choke assembly plus the left switch.
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    And then there is this.
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    #95
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  16. baloneyskin daddy

    baloneyskin daddy bikaholic

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    You saved your Marlboro coupons and finally got an iron lung.
    #96
  17. Fast Idle

    Fast Idle Since the Sixties Supporter

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    NOS speedometer
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    Received a 175 headlight by mistake but the right one is on it's way. The original headlight bucket cleaned up nice too. You can see another example of where they didn't completely polish the area that doesn't show.
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    Decided to get started on polishing some of the aluminum parts. Ran the brake plates through the parts washer along with the kick stand springs. The springs were so covered in oil and dirt they are rust free.
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    I'll glass bead the plates and the top tree before beginning the wet sanding and polishing.
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    #97
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  18. Blakebird

    Blakebird r-u-n-n-o-f-t

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    I'm amazed what's available for a bike that wasn't around in huge numbers back in the day.

    :lurk
    #98
  19. Fast Idle

    Fast Idle Since the Sixties Supporter

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    Yep, lots of stuff but it's kind of hit and miss. Bridgestone just up & quit making motorcycles in the early 70's. Here one day, gone the next. Dealers closed their doors. I've seen pictures of huge dealer inventories that just sat for decades. I'm glad some stuff is still around. There are a few parts that I haven't been able to find yet. Like the front gas tank rubber mounts.
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    I've got a set from a Kawasaki that is the same O.D.
    Just need to ream the I.D. and they should work fine.

    Been having some good luck cleaning up many of the original parts.
    Since the center and side stand springs were rust free I decided to try polishing the zinc to get some shine back. Usually these are rusted and get replaced or re-plated.
    Never tried polishing zinc before but it worked great.
    cleaning (2).JPG
    cleaning (3).JPG
    #99
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  20. Dino de Laurentiis

    Dino de Laurentiis Working on it

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    Talon Engineering (manufacturer of mx and supermoto hubs) use the same concept for their cush drive hubs. Apparently it’s notoriously unreliable.