Sea Doo 4 Tec Cooling Youtube Proper sea doo 4tech coolant installation. 1) remove cap from coolant tank in engine compartment. 2) remove allen head drain plug from back end of ride plate. (this is located on the. out side of the hull, in the back at the very bottom just below the jet pump nozzle) 3) place a clean empty bucket underneath to catch the extra coolant. Riva's open loop cooling kit dramatically reduces engine operating temperatures for improved performance & reliability. also allows installation of riva performance ride plate by eliminating need for heat exchanger. original closed loop system becomes quickly heat soaked in high performance applications. open loop system increases cooling efficiency via steady supply of cool external water.
Sea Doo 4 Tec Riva Open Loop Cooling Thermostat Kit Rs1013 50 Tk Product description. fits all sea doo 4 tec models our open loop cooling kit dramatically reduces engine operating temperatures for improved performance & reliability. also allows installation of riva performance ride plate by eliminating need for heat exchanger. original closed loop system becomes quickly heat soaked in high performance. Sea doo manufactures personal watercraft (pwc) with the closed loop cooling system while the other two leading manufacturers have the open loop system in their watercraft. the rivalries usually take up heat when pwc enthusiasts start to discuss which of the three leading manufacturers makes the best watercraft. The larger hose goes directly to the intake on the head. there is another hose that goes to the large exhaust pipe and runs around an internal tube to cool the exhaust. at the high point of that circuit, is another small line that goes to the back "pee hole". here is a photo of what the tee looks like in my seadoo. 2002 2006 sea doo gtx 4 tec specs and review [video].
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