Service Manual

G210–1ValveLapping(continued)
g338828
Figure151
3.Applyalightcoatofvalvegrindcompoundtothevalveface.
4.Insertthevalveintothematchingvalveguide.
5.Rotatethevalveontheseatwiththevalve-lappingtooluntilthevalveface
andvalveseathavesmoothsurfaces.
6.Repeatlappingontheothervalve.
7.Usehotsoapywatertoremovethegrindingcompoundfromtheentire
cylinderheadandallofthevalves.
8.Afterdrying,applyalightcoatofengineoiltotheentirecylinderhead.
9.Ensureallofthegrindingcompoundisremovedfromthecylinderheadand
valvecomponents.
G210–1CylinderHeadAssembly
1.Installtheguideplateovertheholesinthecylinderhead,securewiththe2
rockerarmmountingstuds.Torquethestudsto2.9Nm(21ft-lb).
2.Orientthecylinderheadsotheintakeisontherightandtheexhaustison
theleft.
Note:Theexhauststudshavelargerthreadsthantheintakestuds.The
intakestudsarelongerthantheexhauststuds.
3.Lubricateanewvalveguideseal.Installthevalveguidesealovertheintake
guide(RHvalveguide).
G210EngineServiceManual
Page7–15
CompressionSystem:ServiceandRepairs
3439-732RevA