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A cylinder of 4-stroke engines is controlled by several valves. These in turn are driven by the camshaft and open or close the respective combustion chamber of the engine. Losses of compression pressure in the cylinder can in many cases...
Almost gone
€74.90
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The rocker arms operate the valves in the 4-stroke cylinder head. Since the part actuated by the camshaft is mounted is mounted on ball bearings it is mechanical exposed to mechanical wear. These rocker arms are the perfect & cheap...
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€39.90
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Poorly maintained Yamaha YI engines often have problems with a run-in camshaft. This is especially noticeable in the loss of power that occurs. Also the readjustment of the valves brings then nothing more, because the chrome layer of the...
Available
€49.90
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Small component with great effect. The valve stem seal influences for example the oil consumption. Hard "stems" let oil run down the valve, which is then burned. Whenever work is carried out on the dismantled cylinder head, it is...
Available
€3.99
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