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4-4 CONNECTING ROD AND PISTON
The connecting rod is forged of aluminum alloy,
and its large and small ends fanction as bearings.
The large end has a built-in oil scraper for splash-
ing the lubricating oil.
The piston is an aluminum alloy casting, and car-
ries two compression rings and one oil ring.
4-5 CAMSHAFT
The camshaft is made of special cast iron, and
camshaft and gear are cast together in one piece.
Both sides of the shaft fit into the plain bearings
on the crankcase and main bearing cover.
4-6 VALVE ARRANGEMENT
The exhaust valve is located upstream of the cool-
ing air with the result that the exhaust valve is
intensively cooled for improved engine durability.
Fig. 4-4
Fig. 4-6
Fig. 4-5
Top Ring
Second Ring
Oil Ring
Connecting Rod
Oil Scraper
Exhaust Valve
Intake Valve
Содержание EY15-3
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