Topic: 73 Cb500 tail advice

[tjoh504]

hey all, this is my first build/post  was going to do a full post up with some more bike process stuff soon, but was after some advise quickly on the tail section which to got me stuck so far.thinking a rebuild of it to make it longer, rear tire clearance it had to have an upstand on the loop wondering how people got around this to make it straighter line. yer any thoughts would be appeciated

[riverfever]

I like the line from the tank to the tail but I would have taken the tail back a bit more. To my eye it looks heavy towards the tank. I think it's great fab work though.

[calj737]

Part of the reason the tank looks long is because it is. It's not a stock 500/550 tank so compared to the short seat pocket, it will visually unbalance the bike. Doesn't bother me though.

As for your rear loop/tire conflict, the longer you make that, the more the upsweep creates space for suspension travel. Som possible options to avoid the conflict:
- Drop to a 17" rear wheel
- increase the shock length
- sweep higher/sooner
-leave the hoop "open" underneath for the tire to pass thru it when compressed suspension

Realize if you alter the wheel size/suspension length, you are altering the steering geometry. It's not a huge factor, but it will behave mildly different so just plan for these changes.

[SOHC4 Cafe Racer Fan]

Since you are using a longer 750 Super Sport tank, your proportions will be similar to a CR750 race bike (long tank and short seat). I don't necessarily think you need a longer seat but that's up to you / you may extend it a couple of inches.

For clearance, you can install slightly longer shocks, but this will slightly affect geometry. Upsweeping the tail more on a short seat could prove uncomfortable for the family jewels as you will then have a tendency to slide forward to the tank.

[rb550four]

I like the way that looks. Nice oversized tank, looks like it's keeping the weight on the steering and  a itty bitty seat, tight enough to firmly plant yer rear end in in any tight turn and crush yer balls at every stop sign.