Hard to say exactly as I have a couple of small leaks (a couple from the crappy alloy end caps & small leak from inner sprocket casing)
The smoke seems to be ,I think more fuel than oil, As it seems more grey/black than white/blue

stu

Z1bman - No good old Castrol 10w40 (Asda was doing a deal a while ago)
I got 40 litres in me garage & at this rate I may well use it all up !!

stu

Just put all me bits back together... Barrels 903 bored out to 1015 wiseco - Measured @1/2" Thou out of oval on all 4 barrels,measured 20mm down from top,& bottom of liner & centre of liners All pots were bored to suit each piston all 69.97mm to 69.99mm Ring end gaps were slightly over ...

Picture of my late 1974 VM 28mm. I may get rid of these if I cant get them set up correctly this Friday These are the 17mm drain,with ribbs I hope the link works http://s956.photobucket.com/albums/ae44/stumag/ http://i956.photobucket.com/albums/ae44/stumag/05-04-2010022.jpg http://i956.photobucket.c...

Check out ebay - seller tania4198 Item #300588615041 for the clock rubbers

stu

I bought one of these for my thou A1

Waste of time !!

Needle flucuates all over the place.

I took it off & replaced the plug

stu

Murph,
Rekon I can manage, if I get my old girl back together intime.

Hope to have the head back from getting new valve guides next couple of weeks.

stu

Mark,
I really think you should remove these from your bike !!

Take them off mate & put the standard 26mm carbys back on...

I have a spare set of 26mm Z1000A1 carbs in me garage.

I will do a straight swop

lol
stu

I would say they are smoothbores.
Smoothbores have the small square recess,just above the bowl flange.

Stu