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Yamaha Parts by Model Year

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Items 1 to 20 of 146 total

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  • Riva Yamaha Engine Breather Upgrade Kit 1.8L 2012-19

    Easy to install Engine Breather Upgrade Kits eliminate power-robbing crankcase emissions from your engine's air intake. Increases horsepower by removing the engine's requirement to burn relatively non-combustible oil. In forced induction applications intercooler efficiency is improved by preventing the oil sludge coating that lowers thermal efficiency. Kits include K&N filter along with all necessary hardware & detailed installation instr...
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    $29.95

  • RIVA Yamaha SVHO/SHO/HO/GP1800 Up to 2017 Intake Manifold Upgrade Kit

    Our Intake Manifold Upgrade Kit enables your SHO engine to produce more horsepower by delivering increased air flow and boost pressure (+1lb). Precision tapered billet sleeve directly replaces restrictive mesh element in intake manifold. Provides improved low end punch and mid range pull through quick & easy installation. Includes detailed installation instructions. NOTE: Our testing has determined the stock ECU will compensate for the incre...
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    $39.95

  • RIVA Yamaha GP1800/VXR/VXS Top-Loader Intake Grate

    Our revolutionary new intake grate for GP1800, VXR and VXS delivers the ultimate in speed, hook up & strength. All new design features oversized top loader wing and optimized inlet ramp for closed course and offshore racing. Bulletproof stainless steel construction makes this grate virtually indestructible and eliminates the need for additional restrictive support bars. Race bred design significantly reduces cavitation and provides superior h...
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    $299.99

  • RIVA YAMAHA WATER BOX SVHO/SHO/HO 1.8L

    Developed on our Dyno and tested extensively on the water, this water box features radiused exhaust tubes and end caps for optimum exhaust flow. Unique exhaust baffle will increase the low-end power and mid-range pull of your Yamaha watercraft. Delivers up to 15hp on modified engines along with significant torque gains. High-strength aluminum construction will survive backfires and meltdowns. Powder coated to prevent corrosion. A must for modifie...
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    $419.99

  • Riva Free Flow Exhaust Kit, GP1800/VXR/VXS

    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 replacement coupler and installation instructions. Replaces the restrictive sound suppression system located between the water box and hull exit on your wate...
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    $199.99

  • RIVA Yamaha GP1800 / VXR / VXS Performance Ride Plate

    Our new GP1800 Ride Plate delivers the perfect balance of increased top speed and improved handling in a variety of water conditions. Its race bred design features deep channels for improved acceleration and traction in turns. Provides excellent straightline stability at high speed with reduced porposing. Easy bolt-on installation accepts OEM speedo sensor.Key Features: Superior handling performance Improved top speed & acceleration Redu...
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    $249.99

  • RIVA Yamaha RIDE Grip Installation Kit

    The Riva Yamaha Grip Installation Kit allow easy installation of aftermarket grips to replace the original oversized grips. Billet fitting mounts securely to ends of original handlebars via machined locking feature. Includes special locking clamps to secure 130mm ODI grips. Allows installation of popular ODI 130mm grips on Yamaha RIDE models Precision machined from 6063 billet aluminum Anodized to prevent corrosion Sold as a pair/Grips so...
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    $59.95

  • RIVA Yamaha GP1800 Power Filter Kit

    Our Power Filter feeds your supercharged 'SVHO' engine a steady diet of cool air delivering greatly improved acceleration and rpm. Replaces restrictive stock air box with a high-volume, precision-formed intake duct that attaches to the supercharger via a large 4 adapter. Cool air enters the system via an oversized K&N filter element. Includes water-repellent pre-filter and detailed installation instructions.
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    $299.95

  • RIVA Yamaha GP1800 STAGE 1 PLUS KIT

    Our Stage 1 PLUS Kit delivers a huge performance gain with simple bolt-on modifications! Expect awesome acceleration and a top speed increase of 14 MPH. RIVA MaptunerX Yamaha 1.8L Bundle is utilized to reflash your original ECU (Engine Control Unit) for added performance. The MaptunerX Bundle delivers instant plug-in horsepower! Quickly and easily load our Stage 3 performance tune into your Yamaha ECU eliminating the need to ship out your ECU f...
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    Regular Price: $1,989.90

    Special Price $1,720.00

  • RIVA ENGINE COOLING UPGRADE KIT, SVHO, STAGE 1/STOCK

    Key Feature: Improved performance & reliability. Quick and easy to install. Features specially sized drill bits and clamps. Includes detailed installation instructions.   This simple kit improves water flow to Yamaha SVHO engine and intercooler for improved performance & reliability. Greatly reduces loss of power due to "heat fade" on stock and Stage 1 modified craft. Includes tools necessary to enlarg...
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    $19.95

  • RIVA Yamaha GP1800, 2015+ VXR/VXS Rear Exhaust Kit

    Our rear exhaust kit for 2015+ Yamaha VXR/VXS delivers performance and cutting-edge style. Allows for removal of restrictive sound suppression system located between water box and hull exit. Improves engine performance by reducing back pressure and restriction. Includes mandrel bent aluminum exhaust tube that is powder coated to prevent corrosion, large billet through-hull exhaust outlet, billet OEM exhaust outlet block-off and high-temp silicone...
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    $369.95

  • WORX Yamaha GP1800 Intake Grate WR246

    If you're looking to get the most out of your Yamaha GP1800, the WORX Intake Grate is a must have. From rec riders to racers, this intake grate provides noticeable performance enhancements. Designed for the ultimate hook-up and handling, this intake grate combats cavitation in choppy to rough water conditions, maximises acceleration and even adds top end speed. Stability and cornering ability are also improved, this is a huge benefit when tow...
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    $245.00

  • RIVA Yamaha GP1800 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 pump inlet shoe that bleed air into pump causing cavitation. Recommended for modified craft using RIVA Top-Loader Intake Grate (part# RY22110). Includes detailed installation instructions.
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    $79.99

  • Yamaha GP1800 Service Manual

    Service manual for both the 2017 and 2018 models.
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    $75.00

  • RIVA Yamaha SVHO/SHO Performance Blow-off Valve Kit

    Our Performance Blow-off Valve Kit improves supercharger reliability and performance by relieving unwanted pressure during off-throttle operation. Reduces supercharger clutch & gear wear and eliminates heat soak in discharge tube. High-strength silicone hose with integrated HKS valve installs easily in place of OEM elbow joint. Includes high quality HKS Super SQV (Super Sequential Blow-off Valve) that features unique sequential valve structure an...
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    $379.95

  • WORX Yamaha GP1800 Sponsons WR552-I

    Dramatically improve your handing with WORX GP1800 Sponsons. These sponsons feature 4 points of adjustment to allow you to customize the handling according to riding conditions. Includes all necessary hardware. Also fits the 2011+ VXR Hulls!
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    $370.00

  • RIVA Waterproof Pre-Filter

    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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    $29.95

  • RIVA PRO-BAR 32” Runabout Bars

    RIVA PRO-BAR 32” Runabout Handlebars are constructed from a proprietary aluminum alloy that offers maximum strength with reduced vibration. High tech finish and premium features make this the ultimate watercraft bar! Key Features: Made from 7/8”, proprietary, T6 aluminum alloy for superior tensile strength & vibration dampening Cross bar clamps CNC machined from 6061 aluminum and mounted with stainless hardware & thread...
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    $74.95

  • Riva Engine Cooling Upgrade Kit for Yamaha SVHO Skis

    Our Engine Cooling Upgrade Kit delivers dramatically improved cooling efficiency to engine and oil cooler for increased performance & reliability. Greatly enhances water flow & pressure by replacing restrictive OEM pump strainer & water fittings with high-flow billet components and superior routing. Features special billet fitting that injects water into "hot spot" of your engine block where OEM zinc anode is located. Allows addition ...
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    $269.95

  • YAMAHA SHAFT UPGRADE KIT,SC, SVHO/SHO/FZ/GP1800

    Our Super-Duty ‘GEN-3’ Supercharger Shaft Kit provides the ultimate in reliability for high boost applications. Kit features a revolutionary hydraulic shaft stabilization bearing that limits shaft deflection and wear. Bearing stabilizes end of supercharger shaft via high pressure oil film dramatically increasing the stability of the system. Hydraulic end bearing and one-piece shaft bearing are fed by a through-shaft oiling system providing supe...
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    Regular Price: $499.95

    Special Price $489.95

Items 1 to 20 of 146 total

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