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Riva Yamaha GP1300R 03-04 Stage 2 Kit

Product #: RY-RPM-13R-2

Availability: In stock

Regular Price: $1,823.44

Special Price $1,721.00

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Details

Stage 2 Performance Overview

 

 

RIVA Performance Power Filter is installed. Screen-type element mounts directly onto opening at front of original flame arrestor case replacing the restrictive baffling system. Provides improved throttle response and all around performance gains.

 

 

EFI Control Unit is installed. Unit provides easy adjustment of fuel delivery to meet the needs of modified EFI motors. Plugs directly into factory wiring harness connectors for quick installation.

 

 

RIVA / Boyesen Aluninum Reed Stuffer Kit into stock reed cages with stock reed petals. Stuffers increase fuel / air velocity through intake tract, resulting in increased throttle response and acceleration. "Tamper Caps" are removed from high and low speed carburetor adjustment screws to optimize carb settings. No internal carburetor modifications are performed.

 

 

RIVA Cat Removal D-Plate is installed in place of restrictive catalytic converter increasing top-end speed while reducing under-hood operating temperatures and allowing the use of regular 2-stroke oils. A high quality stainless steel replica of the plate that is standard equipment on export model Yamaha watercraft without emission controls.

 

 

RIVA Free Flow Exhaust Kit is installed. Kit replaces restrictive sound suppression system located between waterbox and hull exit reducing backpressure and engine operating temperatures.

 

 

RIVA Pump Seal Kit is installed. Location specific molded inserts are siliconed into the voids of the OE pump inlet shoe significantly reducing cavitation.

 

 

RIVA/Solas Concord 'Set-Back' Impeller is a special performance impeller offered exclusively by RIVA and RIVA authorized dealers. Built by Solas, this impeller delivers the ultimate in performance. Inner hub is machined allowing impeller to mount closer to vein housing for reduced cavitation and more top speed. Impeller blades are digitally calibrated to RIVA's uniform pitch specifications. Impellers are then dynamically spin-balanced at high RPM. A precision factory blueprinting process is performed far exceeding any "prop shop" services available. Includes Billet Impeller Cone for maximum performance and durability.

 

 

Original 87mm Yamaha GP1200R Exit Nozzle is installed replacing the standard 85mm GP1300R exit nozzle. Larger exit nozzle compliments the 13/20 'Set-Back' impeller maximizing performance.

 

 

RIVA Top-Loader Intake Grate & Performance Ride Plate are installed. Our ride plate and intake grate combo increase top speed and significantly enhance handling characteristics. Prop spin and cavitation found with the stock grate is greatly reduced along with the modified FZ's tendency to drop on its nose when the throttle is let off at high speeds.

 

 

Trim Tabs are installed in place of original trim tabs. Designed to trim craft up for increased top speed and serve as a quick fix to unwanted proposing. Tabs are 2.5 inches longer than stock.

 

 

NOTE: We offer a modification service for your stock cylinder head that consists of decking and redesigning the combustion chambers. This modification will produce increased cylinder compression improving acceleration and mid-range pull. Please contact us for details.

 

 

RIVA Performance Kits intended for competition use only.

Additional Info

Additional Info

Product # RY-RPM-13R-2
Manufacturer Riva

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