WORX Racing Yamaha 1.8 engine cooling upgrade kit provides the much needed ‘extra cooling’ when modifying your watercraft. Our WORX Racing cooling kit allows the addition of an extra water line from the Jet unit which feeds directly into the Yamaha 1.8 engine block to significantly lower engine temperatures under load to increase engine reliability and performance.
Kit includes all necessary Fittings, hoses, and clamps you need.
1/2 hose and fittings. Suitable for Stock and mild applications (eg Filter, reflash etc)
A must for skis with re-programmed ECU and higher RPM limit
NOTE DOES NOT suit 2018+ YAMAHA MODELS WITH NEW PUMP STRAINER THEY REQUIRE WR04018 KIT