| 11. | High-speed impact takes its toll on all reed valves, with metal valves suffering in fatigue.
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| 12. | The Cox line of reed valve engines designed prior to 1960 used a rear reed valve induction system.
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| 13. | The Cox line of reed valve engines designed prior to 1960 used a rear reed valve induction system.
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| 14. | In some two-stroke engines, a Helmholtz resonator is used to remove the need for a reed valve.
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| 15. | In a reed valve engine the valve is drawn open by suction as the piston moves upward on the compression stroke.
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| 16. | As the piston moves down on the power stoke, the pressure in the crankcase causes the reed valve to close.
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| 17. | In 2010, an after market R / C throttle / choke has been developed for the . 049 reed valve engines.
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| 18. | The 2CV's engine has a combined engine " breather " and oil filler assembly which contains a series of rubber reed valves.
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| 19. | The air / water duct is drained by a reed valve, which if clogged can cause water to overflow into the passenger compartment.
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| 20. | The 593, ( more commonly known as the Ski-Doo 500ss ) is a 600cc version of the reed valve 493 engine.
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