Nice project, looks similar to my own Nighthawk 450 project (see my signature for the link), but at least you have all the parts! How is the rest of the bike? Forks not leaking? Brakes ok?
The tank looks like its had some work done to it already underneath, it has alot of welding and weird bumps. it does hold liquid in it without leaking so i don't think im going to test it. I really trying to stay on a budget for this build.Welcome aboard.
Before you go any further on the tank take it to a radiator shop to have it pressure tested. These particular tanks are known for rotting out in the lower rear corners, that's why they're so hard to find. I had a tank that seemed good and when tested all 15 pinholes showed up. $175 later the tank was repaired, cleaned and professionally lined.
If my JB weld does not hold, i am going to change the case for sure. Ive already been looking on ebay for one. I don't mind having to take the engine back out if i have too.I'd suggest replacing the lower case as a permanent repair, fairly easy now that the engine is out. Just remove the clutch, stator and shift rod, flip the engine upside down and remove bolts
Where at did you get that seat? i rather like it...i just picked up a '82 CB450T last weekendUPDATE:
Spend the day making a decent electronics box, my first one was a complete failure but my second attempt turned out really good.
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Just need a but more tweaking to get a perfect fit than ill paint it black. I also started putting my Wire harness back on. I ordered my headlight yesterday, But I'm still looking for a nice style of turn signals. Also trying to figure out a good way to mount the seat.