General Category > Bike Builds, Rebuilds And Restorations Only
1975 850T Survivor Project
cmice:
Ok - today's update - winter storms, holidays, and missing parts slowed me down a bit. But with the ring-gaps set, and the replacement base-gasket in hand, I got to finish building up the block and top-end. All is nice and clean (clean enough), sealed and torqued. Spins nicely. (note: oil pressure gauge isn't going to stay, I just want it there for priming and first fire to make sure we are seeing what we need given all the oil system changes for the filtered front bearing)
However, in putting the left hand rocker bridge on and torquing it up, I found that the exhaust side rocker pin is wrecked. Similarly, the rocker bushing is also buggared - so those are now on order.
Lastly, I was looking at something on the frame, and this fell out - and I cannot for the life of me figure out where it came from or where it goes. Any ideas?
Antietam Classic Cycle:
--- Quote from: cmice on December 26, 2025, 06:19:54 PM ---Lastly, I was looking at something on the frame, and this fell out - and I cannot for the life of me figure out where it came from or where it goes. Any ideas?
--- End quote ---
That's an "olive" that fits onto the speedometer and tachometer cables, the securing nut squeezes it onto the outer housing of the cable to keep it in place.
Turin:
Did you find it under the Battery tray? Any time I've taken apart an old guzzi , I find one or two of them. That's one of those bits that gets dropped and is never seen again. :gr
cmice:
Thanks for the identification on the "olive" - I figured it was either speedo or tacho cables, or possibly throttle cables. It fell from somewhere on the frame as I was looking at something and I couldn't tell where it fell from.
So, now that the motor is nearly buttoned up, attention turns to the gearbox. And OMG this thing is full of misery. Just a matter of curiosity at this point, but the clutch hub is wrecked and the friction-discs have plenty of material and look nearly new, the teeth tell a different story. I have no idea what could have caused that kind of wear, but at this point doesn't really matter So, that's another job on the list.
Stepping back for a moment - I bought this bike because it looked to be fairly complete, numbers-matching and had a presence and patina that looked genuine. It also looked like a fun project to stay busy during the winter months. While I still think this is true, a sane person would have called this a parts bike and harvested it. I got it for a good "ran-when-parked" price, and by the time it's all said and done, it will probably be a break-even if the time comes to sell it...that's what I'll tell myself anyway. :tongue:
Antietam Classic Cycle:
The clutch plates appear to be those sold by Barnett and that is their usual failure mode. The sandwiched construction is part of the issue, but inadequate heat-treating seems to be a problem as well. The only plates I use are the "SD-TEC" bonded and riveted plates with matching deep spline hub.
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