After having my cyl head skimmed in 2005 i re-assembled it with the standard head gasket (Payne) Not had any problem with it.
1. Drain the water and oil
2. Disconnect the battery
3. Remove the air filter on the back panel and carb
4. Disconnect all the pipes and cables connected to the carb
5. Remove the carb (4 nuts)
6. Remove the inlet manifold (4 bolts)
7. Remove the Exhaust and brackets
8. Remove the 2 rocker cover nuts
9. Remove the rocker shaft (2 nuts)
10. Remove the 8 domed nuts (2 are in the inlet manifold inlets) + 3 bolts at the bottom
11. Rotate the engine and that should break the seal between the head and block
12. slide the head off
13. Take the head to be skimmed flat
14. Clean all surfaces
15. Re-assemble
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