Patent ID: 6478638
Filing Date: 2002-11-12
Classification: B63B,B63H,F02D,F02M

Abstract:
A jet-propulsion watercraft comprising:a water jet pump including an outlet port and a steering nozzle, said water jet pump pressurizing and accelerating sucked water and ejecting the water from the outlet port to propel the watercraft as a reaction of the ejecting water; an engine for driving the water jet pump, the engine being provided with a throttle valve; a steering operation means operating in association with the steering nozzle of the water jet pump, the steering operation means including a rotational shaft having a steering handle provided thereon; a throttle lever provided on the steering handle to be operated by an operator for opening and closing the throttle valve; a first connecting member for connecting the throttle lever and the throttle valve, wherein the first connecting member comprises a cable having a first end and a second end, wherein the first end is connected to the throttle lever, and the second end is connected to the throttle valve, whereby operation of the throttle lever causes the throttle lever to pull the first connecting member to open the throttle valve; and a second connecting member provided between the steering operation means and the throttle lever, wherein the throttle valve is opened through the first connecting member and the second connecting member according to a steering operation of the steering operation means.