Replace front two cylinder head studs with bolts?

Hi All,
This is my first go at this, so excuse me if I mess it up a bit.
I am about to fit the cylinder head to an 850 Commando. On looking at the one I built about 22 years ago it would appear I replaced
the front two studs that locate in the cylinder (barrels) near the push rod tunnels with bolts. I guess I did this to use SS fixings to match
the others and to make the job of putting the head on easier. The new build is complicated by on of the stud holes in the cylinder (barrels)
having been drilled into the push rod tunnel; so a bit of goo is needed to stop the dreaded Commando third fin leak. I an happy to use
SS bolts again to replace the studs as it has been ok for 22 years, but wondered if anybody else had done it. I was told many years ago that
studs and nuts were used by Norton as they were cheaper than bolts. How true that is I know not, but sounds plausible!
Cheers
Martin

Staytite said:

Hi All,
The new build is complicated by on of the stud holes in the cylinder (barrels)
having been drilled into the push rod tunnel; so a bit of goo is needed to stop the dreaded Commando third fin leak.Martin

Click to expand...

Part of the std high quality manufacturing effort

Studs are generally used where there is a risk that repeated bolt removal will strip the threads (?).

Wouldn't it be easier to get a seal using a stud? You could see what you're doing when you apply the sealant. Also, whatever seal you achieved with a bolt might be shot when you go through the first retorque. Depending on what sealer you use it could screw up your torque reading too.

I replaced the studs and nuts on the mudguard stays on the slider and quickly discovered why. It's much easier to put in a stud, the stay, and a washer and nut than try to get the stay to line up with the threaded hole and insert a bolt. I did it anyhow, it looks better. Not sure about the cylinder though, I don't think I'd go there.

Dave
69S

If ya ever wan to service the fender w/o removing the wheel, you'll see why they didn't use studs. If was me and it has been I'd timesert or helicoil holes to hold a stud that can be sealed down good and lead free w/o wear and tear to future generations. So when folks like you goof up and spoil it for future generations we will come to your door on Halloween with a raw eggs and Tp. It used to be far worse in the olden days, so I've learned.

hobot said:

If ya ever wan to service the fender w/o removing the wheel, you'll see why they didn't use studs....

Click to expand...

they did use studs.

DogT

Oh ok then another factory item to work around.