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  1. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    To improve the look of the speedo cluster I added milliput to the lower half. Pics below show the milliput after application. After drying I will sand it to refine the shape, and paint it matte black. I did some sanding already but didn't take pictures, it was a messy and fussy process. Updates...
  2. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    The frame has been dropped off for blasting/powder coat! A big day indeed. Frame and sidestand - Grit blasted, primed, powder coated (gun-metal grey) Swingarm - vapour blasted, clear coated (Cerakote H) Alternator, clutch, water pump, and cam covers - vapour blasted, clear coated (Cerakote H)...
  3. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    I revised the side stand switch mounting. I'll epoxy the magnet on the end of the stalk shown in the pictures, and make a final bracket to hold the sensor. This will look a lot better.
  4. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Clutch, alternator, waterpump, and valve covers removed, internals stripped, cleaned, and ready to be vapour blasted. I wrapped the engine up in cling film for protection.
  5. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Side note, I replaced my 20 year old Felo screwdrivers with a new Wera set. I absolutely love them, highly recommend.
  6. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    I did some testing with paint stripper just to see if the paint magically came off, it did not. I think it is powder coated because the stripper didn't even touch it. No matter, the determination has been made. I will just clean up the engine the best I can, and vapour blast the covers. I'll...
  7. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Almost a year between posts! Where did I leave off? I had just totally disassembled the motorcycle in preparation for frame powdercoating and essentially a total rebuild and refurbish, then I had to go to America for 3 months for work, then a bunch of other stuff happened, then it was winter...
  8. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Cheers, I'll go with as it is for now, when the bike is together and painted we'll have another look, can always make shorter brackets later without much trouble.
  9. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Parts organised on the shelves, awaiting the turn to be cleaned or painted. Probably no work this weekend due to a visitor, will finish the frame hopefully the weekend after. Current lead time on powdercoat is 3 weeks.
  10. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Frame outside for final cutting and sanding in prep for welding. The swingarm and engine await their turn.
  11. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Appreciate your thoughts on this one. I made a chain guard from some aluminium coping. The whole thing will be painted black in the end. I made some brackets but after assembly I could get the chain to touch the guard, so I made some new brackets, and now it seems to sit really high. Does it...
  12. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Teardown commence.
  13. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Rear brake return spring. It is a tube that is mounted to the body of the master, and the rod rides inside it. It works really well and is tidy, I'm happy with this. Note how rusty the rear brake got because I neglected to throw a coat of paint on it. I was expecting to do the frame teardown a...
  14. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Currently the centrestand has no stop, and no spring. They will have to be revised since the new shorter swingarm doesn't allow them to be in their original locations. Below I've just mocked up where the stand will be stowed so when the bike is apart I can make a stop. I am in the middle of...
  15. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    I didn't document all this very well at the time. I mounted the horn by creating a tab off of the front engine mount. Next was the front computer mount. Below is the before picture, the after picture will have to come later! Also I changed the muffler mount. I had only tacked on the mount to the...
  16. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Ok well it's been over a year, it is finally time to do the full teardown. In the past year I've put about 50 miles (at most!) on the machine. I wanted to ride it and get to know it, so when it came time for the teardown I would have a good idea of what needed any fixing/adjusting, but...
  17. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    I've decided no more work on this bike over the winter, I need a little break. In the meantime I'm working on my Honda CD175, I've started a new thread over at Honda Twins. Link below...
  18. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    The bike is all back together and ready for a test ride. However the weather is pants so went on to some other projects. The radiator trim needed doing. I got some 38mm wide aluminium that has a curved profile, and just cut and rounded the ends. This will be painted black later. I also got an...
  19. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Got me worried now, are they usually under tension? The bearing stack in the rear wheel compresses everything when the axle nut is tightened, so even if the rod were absent the caliper wouldn't move without a great deal of force. The rod shouldn't experience much load. Think it should be underneath?
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