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  1. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Cheers! I rode it for less that 100 miles before I tore it down, it is a vicious motorcycle.
  2. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Started bead blasting and painting parts.
  3. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Engine, swingarm, rear wheel, and chain all on.
  4. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Frame prepared for engine mounting, and engine in the frame. Getting it in wasn't as hard as I remembered. The cardboard was sufficient to prevent scratching. As I went I had to shorten and dress some mounting bolts, which the lathe proved perfect for.
  5. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Finished welding the centre stand, and finished up the side stand mounting. The white tape is temporarily holding the magnet on, I don't want to epoxy it until I test whether or not it is pole-sensitive.
  6. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    After tacking I fabbed a spring extension, and used a CD175 spring that I had around. It all worked very well. Next I will finish weld it all and repaint the frame where I needed to remove some powdercoat. You'll never see it. The stand will get spray painted black. Again it won't match the...
  7. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    I decided actually that I DO want the centerstand. As I left it I needed to make a stop, and move the spring pivot. So I made a new spring anchor in the lathe and fabricated a bracket for it, and made an adjustable stop and tacked that to the stand.
  8. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Front end on.
  9. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Swingarm all built up. Parts all cleaned and clear coated where needed. Engine ready to go. New tyres mounted and wheels all cleaned up. I had to scotch brite all the spoke nipples, that was a pain.
  10. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Changed my mind on the powdercoat. Both the frame and swingarm I got repainted black. I think they may have just gone over the gunmetal grey instead of beadblasting it, but the finish looks ok. Much happier with black, there were too many different kinds of grey on the bike, so had to go back to...
  11. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Then I beadblasted the two parts and gave it a scotch-brite finish, then clear coated them. I was worried about how it would look, but to be honest I like it better than the original!
  12. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    First project on the lathe, the clutch cover. Traced and cut out the 4mm aluminium sheet, made a faceplate for the chuck, dab of superglue, then used a live centre to hold it to the faceplate. I then used digital calipers and the DRO to sneak up on the OD.
  13. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Small update. I had decided on Dunlop TT100GP tyres, and was able to get the rear tyre pretty easily, but was never able to get the front. After about a month I finally gave up and got a set of Pirelli Scorpion Trail. Now the wheels are with the shop to get fitted with the Pirelli's, and I've...
  14. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Stopped work on the bike for a week or two while I installed a lathe.
  15. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Ok the clutch cover. I definitely don't like the black, or the logo, so I beadblasted it. Then I didn't like the star pattern, so I sanded it flat. I still don't like the transparent window, so I will replace that with 4mm thick aluminium. I COULD just trace, cut, and file the aluminium to fit...
  16. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Got the covers on the engine over the weekend. I'm warming to the look. I do wish I could have painted the engine, on the other hand I absolutely did not want to paint the engine, what a ball ache that would have been! I think this is a good halfway. Note the clutch cover. I removed the cover...
  17. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Painted the bits. Gunmetal grey spray paint was a surprisingly good match to the powder coat frame. The other bits were just scotchbrighted and clear coated.
  18. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Ok the frame has been powder coated. The colour is in fact a little lighter than I was hoping for, but still very nice. I had the swingarm and engine covers vapour blasted and clear coated, which in hindsight maybe worked better when I was envisioning a black frame. Now I have two different...
  19. goodoltup

    Project CB690 (KTM 690 engine in a CB550f frame)

    Small update, as I wait for the frame and wheels I started refinishing the parts that are immediately needed to make a rolling chassis. Mostly just beadblasting, wire brushing, and then clear coating or painting. This weekend I should plan on scraping engine gaskets and preparing for the newly...
  20. 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...
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