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Honda 400/4 Rebuild

Discussion in 'Builds & Projects' started by comfysofa, Feb 8, 2020.

  1. Perhaps there's a smaller modern equivalent that you could hide behind the front light somewhere, so you can keep a brake light switch. A banjo-mounted switch is going to look fugly on the MC or caliper.....
     
  2. Yeah- but way better than that....have to do a bit of research but initially...one single line will be the way forward...
     
  3. There's a single version....:) Click on 'Option'......
     
  4. Ah - sorry- yeah - that was my theory....one of those!
     
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  5. Switched banjo bolt ordered for the lever, Ti bolt ordered for the caliper...
     
  6. 400/4 Superleggera!
     
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  7. I knew it was coming....only ordered a ti one as when searching on ebay as soon as i put stainless in just regular m10 bolts came up...and, i prefer ordering ti anyway as it stay brighter and is easier to clean...its as heavy as an anville so a tiny bit of ti isnt going to make any difference whatsoever...but, areas than can be seen i may go for ti as its nice and bright...
     
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  8. Ive got a 750 SOHC, you think your 400/4 is heavy! :)
     
  9. Yeah - its carrying a fair bit of timber although the new rims are way lighter than the oem ones...they were like lead...
     
  10. 938F6CE5-00C1-487B-9B74-48C11B1C238C.png
    This is my 750, obviously a lot lighter than it was when stock, but still bloody heavy by modern standards, when I was stripping it to do the build I couldn’t believe how heavy the components were, the rear mudguard was unbelievable, virtually needed a winch to lift it! :)
     
    #273 Mark9, Jul 19, 2020
    Last edited: Jul 19, 2020
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  11. DSC_0023.JPG
    Try one of these if you want"heavy"o_O
     
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  12. Couple of hours in the garage today....had a spare brake like from the hyper which looks like itll fit the front of the 400/4....built the system back up and bled it. Once bled it was easy to push the pad out....

    1. Once the pad was out, i gave the whole lot a bit of scotchbrite treatment. The pad has got a fair bit of meat left on it so, once i gave it a going over with the wheel it dropped back in nice and easy so, im just going to reuse that. Theres a bit of corrosion around the piston so if i can find one i will replace but if i cant it should be ok as the corrosion is up around the top where it wont go back over the seal....all in all satisfied.

    20200809_163228.jpg 20200809_163309.jpg 20200809_163242.jpg
     
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  13. And... Cleaned up...
    20200809_174418.jpg 20200809_174413.jpg 20200809_174425.jpg
     
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  14. Managed to find a piston and seal on ebay so just ordered. Ill be collecting the crankcases this week (been off at vapour blasting).
     
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  15. Cases collected. Dropping more stuff up there today...
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  16. lovely finish on those cases :)
     
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  17. Yeah and the guy said - "you wont need to cerakote them" the peened finish means that dirt wont stick to them...which was a first for me....i never knew that.!
     
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