Patent ID: 6959687
Filing Date: 2005-11-01
Classification: F01L,F02B,F02F,F02P,Y02T

Abstract:
1. An SOHC-type engine comprising first and second insertion/removal guide sections ( 68 , 69 ) for guiding the insertion and removal of first and second spark plugs ( 66 , 67 ), respectively, provided on a cylinder head ( 22 ) including an intake valve ( 47 ) and a first spark plug ( 67 ) disposed therein and arranged along an axis of a camshaft ( 34 ), and an exhaust valve ( 48 ) and a second spark plug ( 67 ) disposed therein and arranged along the axis of said camshaft ( 34 ), wherein a single rocker shaft ( 55 ) is disposed above said camshaft ( 34 ); and an intake-side rocker arm ( wherein said first insertion/removal guide section (