No Tax & Free Shipping* on orders over $139 with code SHIPIT
WE BEAT ANY PRICE! Check us out on YouTube!

Yamaha GP1800 Parts

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

Check out our GP1800 build series!

Our exciting new build series is in full swing! Follow along as we build out one of the fastest GP1800's on the water! Feel free to comment and ask questions on the videos as we progress!

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

Items 1 to 20 of 105 total

per page

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  • Yamaha GP1800/SVHO/SHO/HO 1800 Spark Plug

    Yamaha GP1800/SVHO/SHO/HO replacement spark plug. (requires 4)
    Learn More...
    $7.99

  • 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 and skis from 2008 to 2018! TR 1 models include: 2016 YAMAHA V12016 YAMAHA V1 SP...
    Learn More...

    Regular Price: $1,015.00

    Special Price $935.00

  • 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...
    Learn More...
    $299.99

  • 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...
    Learn More...
    $249.99

  • 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...
    Learn More...
    $199.99

  • 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...
    Learn More...
    $39.95

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

    Drive shaft holder tool required for changing impeller.
    Learn More...
    $28.95

  • 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...
    Learn More...
    $59.95

  • 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...
    Learn More...
    $245.00

  • 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...
    Learn More...
    $419.99

  • 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.
    Learn More...
    $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...
    Learn More...

    Regular Price: $1,989.90

    Special Price $1,788.00

  • 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.
    Learn More...
    $39.95

  • R&D Yamaha SVHO 50mm Blow off Valve Kit

    The R&D Surge Protection Kit is an absolute must have part for the SVHO Yamaha supercharger which has a fair amount of off throttle surge even in box stock form. The new 50mm R&D Valve with its huge 50mm lightweight billet aluminum piston, and massive pressure relief ports will outperform smaller (25-35mm) HKS Sequential, and 35mm Greddy RZ Valves on the Yamaha SVHO Platform. The trick R&D has found with this valve is, in aggressive o...
    Learn More...
    $399.95

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

    130mm Length Large Raised Pads and Deep Grooves Knurled Surface Pattern for Better Traction No Flange 100% Slip-Free Performance Includes Silver Lock-Jaw Clamps Includes New Snap Cap End Plugs   Ruffian Watercraft grips are designed for optimal control in wet conditions. The grip's narrow diamondized surface pattern provides an excellent gripping system and the Lock-On design offers 100% slip-free performance.
    Learn More...
    $27.95

  • 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.
    Learn More...
    $289.95

  • 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...
    Learn More...
    $379.95

  • RIVA Yamaha GP1800 Pump Seal Kit

    ITEM NOT FOR SALE UNTIL 2017 NOTE: Works with RIVA Top-Loader Intake Grate only (part#RY22110)  
    Learn More...
    $79.99

  • Billet Throttle Body Mount for Yamaha 1.8L

    Throttle body mount for the Yamaha 1.8L Waverunners uses billet aluminum construction, CNC machined, and is anodized red. Includes stainless steel bolts and washers, as well as an Allen key to tighten the mount to the intake manifold and the throttle body to the mount. Upgrade from the plastic OEM mount (part #6S5-14360-00-00) Made in the United States.
    Learn More...
    $85.00

  • 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...
    Learn More...
    $369.95

Items 1 to 20 of 105 total

per page

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
LiveZilla Live Chat Software

Please wait...

You've added this item to your shopping cart:

{{var product.name}}

Part #: {{var product.sku}}





Item successful removed.
 Continue shopping

    Pay Securely Now