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More than 5 million general-purpose engines were manufactured by Honda in 2009. Approximately 70% of the general-purpose engines manufactured by Honda are supplied as OEM engines to other manufacturers of power products. Current range (US & Europe) 1-cylinder. GX series Horizontal shaft GX100 (OHC) (2002–) (98cc) GX120 (OHV) (1991–) (118cc)
The Honda G-series engine is a family of slanted inline-five cylinder gasoline engines.The engine family features a single overhead cam layout with 4 valves per cylinder. The engine's displacement varied from 2.0 L; 121.8 cu in (1,996 cc) to 2.5 L; 149.6 cu in (2,451 cc).
A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. Conventional solid valve lifters require regular adjusting to maintain a small clearance between the valve and its rocker or cam follower. This space prevents the parts from ...
The Honda Revolution Control valve is designed and works in principle like the "AETC system." A small computer monitors engine RPM and adjusts a two-blade exhaust valve with an electric servo. Honda equipped many two-stroke motorcycles such as the NSR125 and NSR250 models with RC - Valve power plants.
The valve timing of a diesel engine also depends on tappet clearance of the inlet and exhaust valves. If tappet clearance is less, then valve will open early and close late. [2] If tappet clearance is more, then valve will open late and close early. Tappet clearance is measured by an instrument called feeler gauge.
Honda CVCC engines have normal inlet and exhaust valves, plus a small auxiliary inlet valve. On the intake stroke a large amount of a very lean mixture is drawn into the main combustion chamber; at the same time a very small amount of rich mixture is pulled into the pre-chamber near the spark plug.