wsm wg972-e4 - Servicing; Combustion Chamber

ENGINE
WG972-E4, WSM
1-S40
[3] SERVICING
(1) Combustion Chamber
Cleaning Combustion Chamber
Clean any carbon deposits from the combustion chamber walls
including the cylinder head surface, surroundings of valve tops, and
piston top surfaces. Check valve seating according to following
section, and do valve seat grinding if necessary.
9Y1211108ENS0062US0
KiSC issued 07, 2015 A