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Yamaha GP 1300 R Riva Stage II Kit
Yamaha GP1300R 05 | 08 Riva Stage II Kit
Stock 65~66MPH @ 7,100RPM
Stage I Kit 70~71MPH @ 7,100RPM
Stage II Kit 71~72MPH @ 7,150RPM

Parts Price Total: $1,902.50
Price if Purchased as Kit: $1,785.00
You save $117.50!
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RIVA Pro Series EFI
Riva GP1300R EFI Control Unit
If you plan to modify your Yamaha GP1300R the Electronic Jet Kit E.F.I. Control Unit is a must. This easy-to-use control unit plugs directly into the OEM wiring harness between the ignition and fuel injection system providing control of the engines fuel management system.

Key Features:

  • Allows addition of fuel required with engine modifications without upsetting stock fuel map.
  • Integrated dials provide easy adjustment and fine-tuning of fuel delivery curve without external programming devices.
  • LED lights indicate fuel delivery settings while tuning
  • Wont interfere with crafts stock sensors and inputs.
  • IJSBA Stock, Limited & Superstock/Open Class Legal.

Our Price: $399.95
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Yamaha Solas GP1300R DynaFly Impeller
Solas DynaFly Impeller, 14/20 Degree, Yamaha
Solas DynaFly Impeller designed for use with Yamaha GP1300R & FX-HO models.

Our Price: $240.95
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R&D FIXED TRIM PADS, GP 1200R/1300R/800R
R&D FIXED TRIM PADS, GP 1200R/1300R/800R

Our Price: $225.95
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Riva Yamaha GP1300R Reed Stuffer Kit
RIVA Boyesen Reed Stuffer Kit, Yamaha 1200/1300 PV (66V/60T) 3 pcs
Riva precision aluminum reed stuffers were designed to increase fuel/air velocity through the intake tract, resulting in increased throttle response and acceleration. These stuffers fit your stock reed cages and match perfectly with the original intake manifold. Will not warp or loose shape like traditional plastic stuffers. A very economical bolt-on performance

Our Price: $174.95
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RIVA GPR1300R Performance Ride Plate
RIVA GPR Performance Ride Plate
Fits all GP800R / 1200R / 1300R
Designed to fit all GPR models
Reduces Porposing
Provides Quicker Planing
Compatible with OEM Speedo Sender
IJSBA Race Legal

Our Price: $169.95
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RIVA GPR1300R Top-Loader Grates
RIVA GPR Top-Loader Intake Grates
Two Bar Design with Black Race Finish
Designed for Stock to Stage III Craft
Reduced Cavitation
Improved Handling
Race-Bred Design

Our Price: $139.95
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Yamaha GP1300R Free Flow Exhaust Kit
RIVA GP1300R Free Flow Exhaust Kit
Replaces the restrictive sound suppression system on GP1300Rs. Improves engine performance by reducing back pressure and harmful detonation. Easy installation requires no cutting of hoses. IJSBA Limited & Superstock legal.

Our Price: $119.95
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RIVA Yamaha GP1300R Power Filter
RIVA GP1300R Power Filter
Increase airflow and power
Easily installed
Mounts directly onto original flame arrestor case
Built to our specifications by K&N
Includes water repellent pre-filter cover.

Our Price: $89.95
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Riva Yamaha GPR1300R Pump Seal Kit
Riva GPR Pump Seal Kit
Dramatically reduce cavitation and prop spin with our easy to install Pro Pump Seal Kits. Location specific, molded inserts fill the voids in OEM pump inlet shoe that bleed air into pump causing cavitation. Recommended for modified craft using aftermarket intake grates. Includes detailed installation instructions.

Our Price: $79.95
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Riva Cat Removal DPlate
Riva Cat Removal D-Plate
The Riva 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.
Please note, you will also need this chip to make the conversion

Our Price: $74.99
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