I use Japanese Tri-bond liquid gasket, same stuff is used in Japanese bikes and cars and is also sometimes found at motorcycle shops and called Hondabond or Yamahabond, works out very well, regular gaskets always cause the sweating, with this, its stays clean till the next valve adjust.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT