Project CB690 (KTM 690 engine in a CB550f frame)

[goodoltup]

Just a couple more mock up shots.

Tomorrow, the steering stem comes in the mail. Soon it will be a roller!

[jordandogtown]

That swingarm looks so sweet with twin shocks

[goodoltup]

Made some slotted spacers to affix the footpeg brackets. They will be parted off to about 5mm, and welded to the frame to act as anti-rotation fixtures. I made the tubes on the lathe and manually cut the slot on the Haas.

[JustinLonghorn]

Nice to see the progress, man! Keep it up!

[Maritime]

Nice work

[goodoltup]

Yesterday I made the centre stand stop. The cb550 uses a rubber bit on the mufflers to provide a stop for the centre stand while it's in the up position, and I won't have the original mufflers on this bike obviously so I needed to fabricate something else. I used a rubber appliance foot that screws into a tab on the frame, and a corresponding pad welded on the centre stand. It makes a nice, solid, quiet stop for the stand. I did run out of argon while welding though, so I may finish it with a stick.

[goodoltup]

Fuel pump installed. This is the fuel pump from a Honda VT750. I got the idea from some other thread I follow, but I can't remember the poster to give credit. The pump has an integrated filter and pressure regulator, with the output pressure being the same as the KTM. This way I won't have to put all that stuff inside the tank, and I won't have to have separate pump and regulator outside the tank.

[irk miller]

But, it's so BIG.

[goodoltup]

Yeah, it is big. I'm hoping that it will just kind of disappear behind the engine and side covers. Maybe I will paint it black for camouflage. I will post some pictures soon of how it looks with the swingarm in, it is nestled in the space normally taken up by the monoshock.

[goodoltup]

First assembly of the rear wheel and shocks. I started painting the frame, just some spray can stuff that will give a protective coat during the build. After MOT and road trials, the whole bike will come apart to be bead blasted, painted, etc.