Z1OwnersClub GB

I am trying to strip down the engine on my 1000a project, I am having trouble getting the head off, it seems to be fast around the front middle two studs, it does seem pretty gunked up, have soaked it in easing oil to see if that move it, any suggestions if that wont work, other than slinging it in the river.

Hi David,pretty obvious
i know but you have taken out the two outer small bolts out?if yes i have moved em by using a piece of timber and a rubber hammer on the front of the head not on fins,got a tool that i use to lift the barrels if you want details..Paul J

if you look at this cylinder it shows you where the pry points are at the front of each cylinder. i use an old wood chisel with the sharp edge removed as its tapered the more you tap it in the the more pressure is applied



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as above and apply some gentle heat around the studs at the same time.

Been using a wedge driver, the head has moved, you can see light through the gasket space, it seen stuck in the middle front, all bolts and nuts removed Paul I think a little heat may be required, pry points used.

Don't use heat. it wont help.
Rubber mallet applied fore and aft of the head on the plain casting bulges for the cam sprockets and rock the head whilst pulling up.
Threads of the studs usually get grabbed by the gunked up head nut washers, especially the distorted copper ones if not already removed.

Could be right about the washers, can't remove the two on the front inner studs

Perseverance at what you are doing, and patience not to start using bigger and heavier tools and it will go.

That said, I once skipped a GS750 engine because the barrels would not come off.

Done it, what a struggle, I had to remove the last two washers, which were not copper, had to put a small drill indent in them and then tap with a punch until they came free, almost welded to the studs, then just levered and rocked back and forth till it let go, the studs were full of crud, almost forming a wedge trying to lift the head. Barrels off as well, much easier, notice piston 1 the rings are solid, looks like very fine dust locking them in, every thing else looks okay. Thanks for the heads up

Well done, it's easy to think you need to get bigger and bigger tools and hit harder and harder.

That's why there are so many heads and barrels around with broken fins.