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Yamaha GP1800 Parts

Full list of performance parts available for your Yamaha GP1800. Please email us with questions.

Check out our GP1800 build series!




Let us know if you have any questions or concerns. We proudly price match advertised prices!

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  • RIVA / V-TECH Maptuner X Tune Yamaha Bundle

    This is a bundle of the Yamaha tuning credit and the V-Tech maptuner x required to load the tune on your ski, Includes cable needed! This tuner allows you to tune your ski on your own! No more sending in to be service every time you need a different map for your ski. This will literally save hundreds of dollars and hours of shipping time! Works on the GP1800! TR 1 models include: 2016 YAMAHA V12016 YAMAHA V1 SPORT2016 YAMAHA VX2016 YAMAHA VX ...
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    Regular Price: $1,015.00

    Special Price $935.00

  • 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 / 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 SVHO/SHO/HO/GP1800 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 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

  • Impeller Shaft Tool SHO/HO/FZR/FZS/GP1800

    Drive shaft holder tool required for changing impeller.
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    $32.95

  • Yamaha GP1800/SVHO/SHO/HO 1800 Spark Plug

    Yamaha GP1800/SVHO/SHO/HO replacement spark plug. (requires 3)
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    $7.99

  • 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

  • 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

  • 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 Solas Yamaha 1800 Impeller 13/18R

    Brand : Solas Item #: YV-CD-13/18   OEM #:   160mm MakeModelCC / HPYear Yamaha GP1800 1800 2017 Yamaha FX Cruiser SVHO 1800 2014 Yamaha FX SVHO 1800 2014 Yamaha VXR 1800 2014 Yamaha VXS 1800 2014
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    $329.99

  • WORX Yamaha 1.8L Fuel Pressure Regulator

    In tank replacement increases fuel pressure approx 10psi Cost effective alternative to External fuel regulator Ideal for Low boost applications and reflashed/ aftermarket ECU
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    $99.00

  • RIVA Yamaha GP1800 Seat Cover

    Cut down on slippage for your Yamaha GP1800! These covers are hand made in the USA with the finest materials including Ballistic Nylons, Ultra-Grade Marine Vinyl, plus Jettrim's exclusive Nada-Hyde, Non-Slip Traction Material.
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    $289.95

  • 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 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 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

  • TTO Tachometer

    The TTO Tach is water resistant and will monitor two and four stroke single and multiple cylinder applications to 10,000 rpm within 10rpm accuracy. Functions including: peak rpm memory, hour meter, rpm recall and constant rpm display.
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    $59.95

  • ODI Ruffian Lock-On Grips, 130mm, No Flange, White

    130mm Length No Flange Narrow Diamondized Surface Pattern MX Style Half-Waffle Pattern for Improved Traction New Snap Cap End Plugs Included Includes New Snap Cap End Plugs   The Ruffian MX Grips offer the narrow diamondized pattern that made our Ruffian grips a classic, with an added half-waffle pattern for additional traction.
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    $27.95

  • RIVA Yamaha FX `17~12 Fuel Pressure Regulator Kit

    Our Fuel Pressure Regulator Kit provides the precision pressure control necessary to compliment aftermarket ECU and reflashed OEM ECU applications on the 1.8L HO, SHO and SVHO engine. Kit is fully assembled & mounts securely on top of fuel tank via sturdy aluminum bracket. High quality billet pressure regulator can adjust base pressure from 25 to 80 PSI. Unit can also be set up as rising rate fuel pressure regulator at a 1 to 1 ratio provid...
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    $474.99

  • 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 $1,888.00

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