26-08-25, 10:52 AM
(22-08-25, 05:40 PM)Rob silver Wrote: Not to sure on what other causes it could be. With water being on the tip of the spark plug
As mentioned its extremely rare that 600 Fazers blow their head gaskets. The plug recesses (holes) on the Fazer are deep and they have a small drain hole/gully that joins them, the exit of which is between the 3rd fin from the top, centre. Often has rusty water/deposits in the holes and gullies between the cylinders get blocked very easily. This allows plug recesses to get filled with water and crud, this could be why your plugs were wet. You should always ensure these holes/gullies are clear, good poke with a long thinish screwdriver and a airline down each plug recess, before you remove the plug/s. All this crud/grit and water will drop into the cylinder/s once the plug/s are removed and can cause real issues.
If the head gasket is blown the oil filler cap would be covered in mayo looking crap, oil sight glass would be the same and the expatiation tank would stink of fumes, if you've got none of them, it' unlikely to be a head gasket issue.
The culprits are more than likely the metal coolant pipe link union at the front of the engine left hand side, oil cooler the oil filter screws into it or any of the unions in the cooling system. You also need to check under the tank around the thermostat housing, the carb heater system especially the little elbows on each carb body and the rad. Carb heater and Rad leaks can be tiny and hard to spot, you may need to add some UV die into the system, this will also help you find leaks as mentioned above.
Later