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Yamaha Engine Parts

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  • Kanaflex Tubing - Sold by the Foot

    Ordered by the foot. Select the quantity you need, and we will send that length.We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All components sold as is and do not include installation instruction...
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    $7.49

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

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

  • Riva Yamaha Engine Breather Upgrade Kit 1.8L 2012-17

    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 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 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

  • 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

  • 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 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 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 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 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

  • Yamaha FX 140 Power Filter

    Our FX Power Filter® is a direct replacement for the restrictive stock air filter in the OEM air box. Delivers increased airflow to engine providing improved throttle response, acceleration and top speed. Screen-type element will not soak up excess engine oil as does the OEM paper element that increasingly restricts performance. NOTE: Power Filter required when using RIVA FX Velocity Stacks (part# RY1325-VSK) to meet U.S. Coast Guard flame arre...
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    $99.99

  • Riva Yamaha Billet Flame Arrestor Adapters

    Our billet aluminum adapters mate cone-style RIVA Power Filters and other aftermarket flame arrestors to your carburetors.   Anodized to prevent corrosion. Sold individually.
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    $27.95

  • RIVA Power Filter for RS13050 Power Filter Kit

    Billet Band Clamp seals & secures ducting to velocity stack and double male flange. We offer the primary components individually from our Power Filter Kits for the "Do-It-Yourself" tuners. Velocity stack kits designed to fit stock supercharger inlets. Power Filter, Double Male Flange and Ducting designed to work together. Pre-Filter strongly recommended to prevent water ingestion. All components sold as is and do not include installation instruct...
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    $49.99

  • MTX-L Wideband Digital Air/Fuel Ratio Gauge Kit AFR

    ALL-IN-ONE!! (Wideband Controller integrated into easy to read gauge housing) The new Innovate Motorsports Digital MTX Series Air/Fuel Ratio Gauge utilizes the only 100% digital Wideband air/fuel ratio technology on the market! Gauge features a water resistant casing, interchangeable faceplates and bezels, and 2 fully programmable linear analog outputs for use with aftermarket engine managements systems and dataloggers! KEY FEATURES Inc...
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    $299.99

  • RIVA Yamaha 08-12 1.8 NA Intake Manifold Upgrade Kit

    Our Intake Manifold Upgrade Kit enables your 1.8L naturally aspirated engine to produce more horsepower by delivering increased air flow. 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 increased air f...
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    $39.95

  • Yamaha GP800 / GP800R Power Filter Kit

    Fits Yamaha 800 Power-Valve motors. Designed to increase airflow to your carburetors and allow your engine to produce more HP. Kit fits 44mm OEM carburetors. Includes stainless capped, screen type flame arrestors built to our specifications by K&N, anodized aluminum carburetor adapters, water-repellent pre-filter covers and all necessary hardware.
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    $169.99

  • WORX SVHO / SHO Ribbon Delete WR04001

    Fits all Yamaha supercharged engines and 2013+ naturally aspirated engines. Including GP1800 Replaces the restrictive mesh element in the intake manifold. It increases air flow to the engine, maximizing horsepower. Constructed from billet for extra durability and strength Tapered design to allow more air flow Suits all Supercharger models and all 13+ N/A Models
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    $38.00

  • 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

  • Fizzle ™ Y1000 Yamaha Intercooler Kit

    This is our next generation intercooler for all Yamaha supercharged models. It is hands down our best performing intercooler for the Yamaha to date. Typical gains after installing this intercooler kit are approximately 2+ MPH in top speed, 200+ RPMs, and improved acceleration and throttle response. This kit fits all supercharged Yamaha PWC from all years. It includes a HKS style blow off valve and the corresponding blow off valve flange ad...
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    $749.00

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