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Yamaha Internal Components

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  • Riva Yamaha Coned Power Filter Flame Arrestors

    After years of testing different flame arrestor shapes and elements, our tuners have produced the best performing flame arrestors available. These stainless capped, screen type flame arrestors are built to our specifications by K&N. Fits all Yamaha watercraft (except Yamaha 800/1200/1300 Powervalve 2-stroke motors and all Yamaha 4-stroke motors). Unique design provides easy access to carburetor adjustment screws.
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    $39.95

  • Riva Yamaha Cat Removal D-plate

    Our “D” plate is a low cost product that directly replaces the catalytic converter in the GP1200R, XL1200Ltd, XLT1200, and GP1300R. Installation increases top-end speed, reduces under-hood operating temperatures and allows the use of regular 2-stroke oils. This unit is a high quality stainless steel replica of the plate that is standard equipment on export model Yamaha watercraft without emission controls.FOR COMPETITION USE ONLY. If...
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    $74.99

  • Riva Yamaha Flame Arrestor Pre-Filters

    Water-repellent cover (pre-filter) for screen-type flame arrestors protect your motor from unwanted water intrusion and debris without restricting airflow. Sold individually.
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    $14.95

  • WORK Yamaha 1.8 Engine Cooling Plate Upgrade

    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.   Includes all necessary Fittings, hoses and clamps.
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    $120.00

  • Riva Yamaha Cat Temp Sensor Chip

    Our Cat Temp Sensor Chip is a must when removing the OEM catalytic converter on Yamaha 1200 & 1300 Powervalve engines. The circuit is designed to mimic the signal sent to the OEM CDI by the catalytic converter’s temperature probe preventing CDI flutters, warning devices sounding and engine shut downs due to cat removal. Can be used with stock or modified OEM CDI’s. Plugs directly into factory wiring harness.
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    $19.95

  • R&D Yamaha GP1800 High Performance Titanium Retainers

    The R&D Pro Stock Titanium Retainer Kit offers an economical solution to gain a smoother and more precise valve train by reducing retainer weight which will reduce the possibility of valve float. The R&D Titanium Retainer replaces the vulnerable and known to break stock Yamaha O.E.M. steel retainer with race proven titanium. The R&D Trust the pro’s at R&D with all your Camshaft and Valve Train upgrades. NOTE: R&D strongly suggests the installa...
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    $360.00

  • Riva Yamaha Reed Stuffers

    Our precision aluminum reed stuffers were designed to increase fuel/air velocity through the intake tract, resulting in increased throttle response and acceleration. These stuffers fit your stock reed cages and match perfectly with the original intake manifold. Will not warp or loose shape like traditional plastic stuffers. A very economical bolt-on performance modification.
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    $174.95

  • WORx Yamaha 1.8 Engine Cooling Plate Upgrade

    Our new Yamaha Engine Block Cooling plate allows for up to 3 fittings to be fitted for maximum water flow into you Yamaha 1.8 engine block. Injection points target know engine ‘Hot Spot” and directs initial cooling around No#2 cylinder which is common for detonation and overheating in high boost applications. Billet anodised construction allowing 1,2 or 3 fittings to be installed Fits all 1.8 Yamaha engines (may require o-ring for e...
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    $150.00

  • Riva Yamaha FX-SHO / FX Boost Clamp 08-10

    Our Boost Clamp will allow you to run up to 17psi of boost pressure in your Yamaha SHO engine when used with RIVA Fuel Pressure Regulator Kit and stock ECU. Device controls communication between stock MAP sensor and stock ECU to allow for higher boost levels and more power. The Boost Clamp is an integral part of RIVA Stage 2 SHO Engine Kit producing 260hp when combined with our recommended components. Installs quickly & easily with ...
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    $199.95

  • ET Yamaha Billet SuperCharger Housing 18.5 Closed Course Kit

    Used by Tray Frame 2011 Race Season proven reliability This is only the bearing body comes complete with Clutch on shaft and ball bearing 8.6mm shaft size and a 18.5lb SC impeller (included), all you have to do is install your stock front Housing or R&D Water Cooled Housing" (Not included). We decided to machine a all new billet Supercharger housing to accommodate our new clutch billet shaft. With our 3 super precision ball bearing setup th...
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    $2,900.00

  • Riva Yamaha 1.8L Engine Cooling Upgrade Kit 08-10

    Our Engine Cooling Upgrade Kits deliver dramatically improved cooling efficiency to engine and oil cooler for increased reliability & performance. Greatly enhances water flow & pressure by replacing restrictive OEM water fittings with high-flow billet fittings and superior routing. Allows the addition of aftermarket ECU's, high-boost compressor wheels and other performance modifications that can increase heat & detonation. Includes al...
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    $259.95

  • Riva Yamaha VX Pump Seal Kit

    Dramatically reduce cavitation and prop spin with our easy to install Pump Seal Kits. Location specific, molded inserts fill the voids in OEM pump inlet shoe that bleed air into pump causing cavitation. Recommended for modified craft using aftermarket intake grates. Includes detailed installation instructions. NOTE: Works with RIVA Top-Loader Intake Grate only (part# RY22030).
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    $79.95

  • Yamaha RIVA Pro-Series 4-Stroke Pistons

    Our forged racing pistons deliver maximum reliability and performance in high boost & turbo applications. High strength piston kits include premium ring package, tool steel wrist pin & carbon steel wire locks. Key Features Include: CNC machined from high strength/lightweight forgings. Optimized dome design for efficient combustion. Improved lubrication hole placement for reduced friction. Premium low friction ring package. Hig...
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    $239.99

  • Riva Yamaha MSD 701 Enhancer Ignition

    Why should you replace your stock ignition unit (a.k.a. CDI or ECU) with an aftermarket model? If you modify your craft, or plan to, the stock ignition will limit the potential of your upgrades due to its conservative factory settings. Installing an aftermarket ignition will open the door to your engines performance potential by providing the critical adjustability required to match your engines modification level.
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    $387.95

  • Yamaha RIVA Piston Kits

    Our racing piston kits feature a flat top design that far exceeds the performance of OEM pistons. Precision machined from high grade aluminum alloy. Kits include piston, rings, wrist pin, wrist pin bearing and cir clips.
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    $199.95

  • Riva Yamaha Cylinder Head Domes (35cc) 81mm

    Made from 6061-T6 billet aluminum and CNC machined ADA Racing girdled cylinder head kits improve performance and reliability. O-ring seals and interchangeable domes allow you to easily change compression as required. Clear anodized for protection against corrosion. Head body, hardware kit, domes and exhaust pipe bracket sold separately.
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    $39.95

  • Riva Yamaha Billet Girdled Cylinder Head Cap 760/701

    Made from 6061-T6 billet aluminum and CNC machined ADA Racing girdled cylinder head kits improve performance and reliability. O-ring seals and interchangeable domes allow you to easily change compression as required. Clear anodized for protection against corrosion. Head body, hardware kit, domes and exhaust pipe bracket sold separately.
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    $190.05

  • RIVA Yamaha 1.8L Crankcase Main Stud Kits

    Superior material & heat treat process provide 10X better fatigue strength than OEM bolts. Studs provide improved alignment of crankshaft for increased reliability and ease of maintenance. More accurate & consistent torque loading provides a more uniform clamping force on crankshaft.
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    $179.95

  • Riva Yamaha GP1300R E.F.I. Control Unit

    If you plan to modify your Yamaha GP1300R the Electronic Jet Kit E.F.I. Control Unit is a must. This easy-to-use control unit plugs directly into the OEM wiring harness between the ignition and fuel injection system providing control of the engines fuel management system. Key Features: Allows addition of fuel required with engine modifications without upsetting stock fuel map. Integrated dials provide easy adjustment and fine-tuning of fuel ...
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    $399.95

  • ET Yamaha SHO/FZR/S Grooved Bearings

    The new ET Bearings are made from A special Bearing Bronze alloy and made to tighter spec's than the OEM bearings. The new grooved design allows oil to pressurize all 360 degrees of the bearing holes to minimize wear.
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    $29.99

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