As the TB Rear cover was missing the rubber seal, lots of oil/debris were observed around the area. Due to the damage to the Front valve cover seal, some sort of chemical managed to get inside the TB area and changed the colour of almost half of the TB Front cover. It will be cleaned thoroughly during the process. ...
Now I understood why there were so much oil around the engine head as well as some of the spark plug body. Almost all of the fixing nuts for the valve covers were not tight enough especially the ones under the IGN Coil covers. They were just finger tight. Probably, the valve cover gaskets, seals and the round disc seals under the nuts were not replaced during the last TB service and thus, couldn’t get proper ...
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