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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

  • Yamaha Valve Compression Tool

    Our overhead Valve Compression Tool allows easy removal of valve springs and keepers without removing cylinder head. Includes compression adapter to pressurize cylinder keeping valves in place during removal of stock springs and keepers.
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    $239.99

  • 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

  • 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 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

  • 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

  • Riva Yamaha FX-SHO / FX Boost Clamp 11-12

    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 FZR S/C Bearing Housing

    Supercharger Back housing   This is only the bearing body comes complete with CL shaft and ball bearing all you have to do is install your "S/C Wheel and stock front Housing" (Not included). Stock shaft size.   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 there is no longer the need for a thrust plate. The angular contact bearing...
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    $2,300.00

  • Yamaha RIVA Pro-Series 4-stroke Cylinder Head Gaskets

    Our Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine. Key Benefits Include: Three layer stainless construction for durability & corrosion resistance. Viton coated & embossed surfaces for maximum sealing between head and cylinder block. Unique design promotes even torque load across s...
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    $149.95

  • Riva Yamaha FX ALL Pump Seal Kit 02-07

    Location specific molded inserts are siliconed in to the voids of the OE transom plate and RIVA Top-Loader Intake Grate significantly reducing cavitation. NOTE: We do not recommend installing our Pump Seal Kit in the FX-HO (160) without installing an aftermarket intake grate such as our FX Top-Loader Intake Grate (part# RY22325). Our Performance Development Team has found that installing the Pump Seal Kit without an aftermarket intake grate caus...
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    $79.95

  • Yamaha RIVA 1.8L Engine Replacement Sleeves

    Our high-quality ductile iron replacement sleeves are considerably harder and more abrasion resistant than OEM sleeves providing excellent oil retention, ring seal and the ultimate in leak down performance. Sleeves lock firmly into place during installation against machined step in engine block preventing possible dropping or shifting, protecting head gasket seal. Accepts pistons for stock bore (86mm) up to 87mm (2nd Over RIVA Pro-Series Pistons)...
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    $79.95

  • Riva Yamaha Carbon Tech Reeds

    Designed to directly replace your OE reeds. Made from 100% carbon fiber for increased throttle response and high tension composition to dramatically improve performance and top-end speed.
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    $99.95

  • Riva Yamaha Cylinder Head Hardware Kit

    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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    $75.00

  • RIVA Cylinder Head Stud Kit Yamaha 1.8L Engines

    Superior material & heat treat process provide 10X better fatigue strength than OEM bolts. Studs provide improved alignment of cylinder head and gasket for increased reliability and ease of maintenance. More accurate & consistent torque loading provides a more uniform clamping force on head gasket. Helps prevent blown head gaskets and assures optimum engine sealing.
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    $249.95

  • 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

  • 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

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