This sleek RIVA Fisheye Tee - Black/Yellow stands out from the front to the back with its bold attitude fisheye design. Made from soft cotton premium material, this custom shirt features a striking circular "fisheye" RIVA Racing logo in vibrant yellow across the back. Built to turn heads whether you...

Water-repellent cover (pre-filter) for screen-type flame arrestors protect your motor from unwanted water intrusion and debris without restricting airflow. Sold individually. NOTE: Works with RIVA Yamaha 66V/66E Power Filter (part# RY1317)....

Flo-Rite Air Vents reduce underhood temperatures & improve performance by allowing hot air to escape engine compartment. These 2.5" water-repellent vents feature an integrated pre-filter that allows air to pass freely while keeping water out. Installs easily into hood cowlings, engine cowlings or de...

Garden hose end only of RIVA flush kit, part# RY8500. Can also be used to flush RIVA Power Coolers, part# RY17040-pc and RY17080-PC...

Motor end only of RIVA flush kit, part# RY8500...

Replaces the restrictive sound suppression system located between the water box and hull exit on your watercraft. Improves engine performance by reducing back pressure and harmful detonation. Includes mandrel bent aluminum tubing that is powder coated to prevent corrosion, high-temp silicone replace...

The RIVA Free Flow Exhaust Kit replaces the restrictive sound suppression system located between the water box and hull exit on your watercraft improving engine performance by reducing back pressure and harmful detonation. Made from mandrel bent aluminum tubing, bead rolled on the ends to secure cou...

Replaces the restrictive sound suppression system located between the waterbox and hull exit on your watercraft. Improves engine performance by reducing back pressure and harmful detonation. Easy installation with noticeable results. RACE legal....

Designed to improve throttle response and reduce lean conditions in power band, our Fuel Line Return Restrictor installs into fuel return line between carburetors and fuel tank, restricting fuel return rate, increasing pressure to carburetors. Precision-machined billet restrictor is threaded to acce...

This adapter replaces the stock fuel pressure regulator on 07 and older Sea Doo skis and enables you to make up your own rising rate fuel pressure regulator setup.