- Honda Car Owner's Manual

73
ROCKERARMS&SHAFT
Inordertoreducefrictionandweight,L-shaped,rollerrockerarmsaremountedonasingleshaft.A
narrowvalveangle(30degrees)andacompactcombustionchambercontributetoanincreasedswirlration
oftheair/fuelmixture,leadingtobettercombustion.
TimingChainSystem
Crankshaftrotationistransmittedviaasilenttypetimingchaintothecamshaftsprocket.
TheillustrationbelowshowscorrecttimingwhenthecrankshaftpullyisatTDC.