More sound from stock exhaust

sounds like a failed head gasket...

You do not want to do this. Fuel trim is calibrated and the bike will not perform as good.

Hello mine leaks out the two ram inlets on cards when I'm trying to start it it just flows out of the

Try blowing the radiator out from the engine side with compressed air to get rid of bugs and other debris. Make sure the fan comes on when it's hot. Check the filler cap seal to make sure it is building pressure in the cooling system. Worst case is leaking combustion products getting into the cooling system through a leaking head gasket or similar. There is a chemical test available that checks for that problem. Hope this helps!

Two tanks.

Torque settings are as follows, at least these are what I used on my '93 UK E1.
Cover bolts 12Nm, Cover damper bolts 5.9Nm, spring bolts 8.8Nm, Hub nut 130Nm.