Posted this in the post about the cylinder head & realised I hadn't updated on my build!
It looks like a piece of crankcase over the cam on the timing side or the barrel stud pulled out. The whole piece has been welded, not a bad job but when you heat the case on the inside, it bubbles from under the weld. Cleaned it up & you can see a crack in the case. It also has a weld repair to the bottom of the case. Might be alright on the road but then again.
Just got the rear hub back (Triumph conical) from the welder. He's built up the sprocket mounts. It looks awful lol. Off to dress them back & try & get the sprocket mounting faces level.
Frames being coated this weekend. Telsport is making a new stem for the bottom yoke.
A fair bit of rob Peter to pay Paul is about to occur!
Namely my Mk3 Seeley it is also having a paint job frame tank & seat this summer, so I'm nicking the Commando Landsdowne forks from it. They are going to be replaced with Dommie length ones. Also I'm nicking the good race engine from the Rickman & hopefully this engine eventually will end up in it.
New wheel bearings (thanks Lab) £10 each delivered for the double row in the front hub. Nylon nuts ordered for the Norvil disc. Rear Triumph conical also stripped & the bearings change. Rev counter drive bearing retaining sleeve was nearly a quarter of an inch slack. All locked up solid, plenty of heat. Cleaned & greased & went back together lovely. Dressed the welding up a bit, redrilled the sprocket holes & polished. They are covered by my Donald Pender Manx look a likely ring.