Timing Chain Tensioner: Diagrams

35 Cylinder heed
75 Closing plug
76 Sealing ring
77 Compression spring
78 Detent spring
79 Pressure bolt
83 Chain tensioner housing
84 Gasket
85 Tensioning rail

a Throttle bore 1.5 mm dia.
b Throttle bore 1.3 mm dia.

NOTE: This engine is provided with a hydraulic detent chain tensioner without valve.