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The UMA K2 valve springs are essential for racing camshafts and racing valves. They ensure reliable opening and closing of the valves with the camshafts and need for use with tuned camshafts enough stability and resistance to open the...
Almost gone
€39.95
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Out of Stock
€26.42
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Out of Stock
€43.93
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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...
Available
€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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