Installing a Fizzle Y1000 Intercooler

Installing a Fizzle Y1000 Intercooler

PWC Muscle shows you how to install the Fizzle Y1000 intercooler kit for the Yamaha GP1800 SVHO! Full Story »

Yamaha GP1800 Thru Hull Exhaust VS Free Flow Exhaust

Yamaha GP1800 Thru Hull Exhaust VS Free Flow Exhaust

Here we compare the thru hull exhaust to the free flow exhaust to the thru hull exhaust with a RIVA water box. Here are the parts: Riva Free Flow Exhaust Kit, GP1800/VXR/VXS Full Story »

GP1800 Stage 1 Tune Results

GP1800 Stage 1 Tune Results

Here Joe Zammataro from PWC Muscle goes in depth on the results you see when tuning a stock Yamaha GP1800 with RIVAs stage 1 tune using the MaptunerX hardware.   Full Story »

GP1800 RIVA Tune Installation

GP1800 RIVA Tune Installation

In this video we load our new maps onto our ecu with the Maptuner X. We are utilizing RIVA’s maps to do this. A nice thing about the Maptuner X is that Full Story »

Ribbon Delete For the GP1800 Installation

Ribbon Delete For the GP1800 Installation

This Intake Manifold Upgrade Kit created specifically for the SVHO engeine enables your GP1800 to produce more hp by delivering increased air flow. A precision tapered billet sleeve directly replaces a restrictive Full Story »

Riva Power Filter Kit for the Yamaha GP1800 (RY13110) Installation

Riva Power Filter Kit for the Yamaha GP1800 (RY13110) Installation

Breathe some more air and life into your Yamaha GP1800! In the latest video of our build series, we show you how to a Riva Power Filter and Intake Manifold Upgrade Kit Full Story »

 

GP1800 Pictures from around the Web!

Check out these cool pictures of the Yamaha GP1800 shared around the internet. A photo posted by RIVA Racing (@rivaracing) on Feb 12, 2017 at 1:59pm PST A photo posted by SMD Graphics (@smd_graphics) on Feb 13, 2017 at 6:14am

Ribbon Delete For the GP1800 Installation

This Intake Manifold Upgrade Kit created specifically for the SVHO engeine enables your GP1800 to produce more hp by delivering increased air flow. A precision tapered billet sleeve directly replaces a restrictive mesh element in intake tract. Provides improved low

Riva Power Filter Kit for the Yamaha GP1800 (RY13110) Installation

Breathe some more air and life into your Yamaha GP1800! In the latest video of our build series, we show you how to a Riva Power Filter and Intake Manifold Upgrade Kit into the SVHO. Both are available on PWCMuscle.com.

Part Spotlight: RIVA GP1800 Valve Retainer Upgrade Kit Yamaha 1.8L

This upgrade kit is only recommended for skis with stage 3 modifications. Our Valve Retainer Upgrade Kit increases the reliability of your engine by reducing the possibility of valve float at high rpm. Includes 16 lightweight, precision-machined titanium valve retainers.

Part Spotlight: RIVA YAMAHA 1.8L HIGH FLOW BILLET FUEL RAIL

Our High Flow Fuel Rail is an essential upgrade to your fuel system to support increased horsepower from supercharger or turbo modifications. Directly replaces restrictive factory fuel rail for improved fuel delivery and enhances the appearance of your engine bay.

RIVA’s Yamaha GP1800 Stage 2 Testing

RIVAs stage 2 performance package delivers a huge punch. Your top end speed is increased by an impressive 18mph! The price is a little more cost prohibitive for some recreational riders at almost $4,300 but the performance gains are too

Yamaha GP1800 RIVA Tune Results

So we ran our GP1800 without a tune and then with one. All along measuring distance and speed with an accelerometer. Here is what we found. How it works: We have a total of 10 runs. Five in one direction

Yamaha GP1800 Horsepower (HP)

The Yamaha GP1800 boasts a 1.8-liter Super Vortex High Output (SVHO 1812CC) engine that produces an incredible, yet unconfirmed 250HP out of the box.  The 769lb dry weight is an impressive 81lbs less than the Sea-Doo RXPX 300 (850lbs. 1630CC) 

Part Spotlight: RIVA Yamaha GP1800 STAGE 1 PLUS KIT

The GP1800 Stage 1 kit is an easy addition to any GP1800 set up. This kit is getting 82mph with no ther modifications in good conditions. Keep in mind that there are two separate impellers that are available in this

RIVA Yamaha GP1800 Stage 1+ Testing

Check out RIVA’s stage 1 + kit in action! This kit consists of six parts which are all available as a kit from PWC Muscle!  Our Stage 1 PLUS Kit delivers a huge performance gain with simple bolt-on modifications! Expect