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GP1200R Riva Stage II Kit

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63-64mph @ 7150 rpm |
| Stage I Kit |
68 mph @ 7250 rpm |
| Stage II Kit |
70.5 mph @ 7280 rpm |
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Parts Price Total: $2,320.40 Price if Purchased as Kit: $2,171.19 You save $149.21!
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R&D GP1200R | XLT1200 HEAD KIT 41cc

The Performance Head from R&D will get your GPR motor running. This affordable precision cast design delivers all the performance of billet without the staggering price tag. Raising the OEM compression ratio boosts the horsepower and torque throughout the rpm range, increasing acceleration and speed. Available in 41cc and 37cc ranges and comes with all hardware.
Girdle kit hardware sold separate. (R&D Girdle Kit Optional #412-12000)
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Our Price: $386.10
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RIVA Solas Concord Set-Back Impeller, 13/20, 155mm (66V)

Set-Back 13-20 Degree, 155mm (66V) The RIVA/Solas ‘Set-Back’ is a special series of performance impellers offered exclusively by RIVA and RIVA authorized dealers. Built by Solas, these impellers deliver the ultimate in performance for modified Yamaha watercraft. Inner hub is machined allowing impellers to mount closer to vein housing for reduced cavitation and more top speed. All three 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.
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Our Price: $269.95
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RIVA Pro-Series Adjustable Sponsons, GP1300R / GP1200R / GP800R

Dramatically improves the handling of your GPR with its superior blade design and mounting angle. Includes a bulletproof mounting system that features a billet backing plate and three anchor points with billet inserts in sponson fins. Sponson is angled out at the bottom for better stability and more bite in corners. Sponson depth is adjustable to control the amount of influence they have on the craft. Easy installation requires no drilling.
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Our Price: $249.95
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RIVA GPR Flame Arrestor Kit (66V)

Fits Yamaha 1200 Powervalve 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. NOTE: Removal of catalytic converter is required prior to installation. Please see our Exhaust section for replacement alternatives.
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Our Price: $222.00
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RIVA GPR Performance Trim Tabs

Trim Tab Kit Performance GPR
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Our Price: $189.95
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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
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Our Price: $169.95
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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
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Our Price: $169.95
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RIVA Girdled Head Hardware Kit

Optional girdled hardware kit prevents cylinder cracking by clamping cylinder between head and cases.
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Our Price: $164.80
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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 IJSBA Legal
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Our Price: $129.95
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GP 1200R Anti-Cavitation Cone, YAM GPR /`02~07 FX

The asymmetrical upsweep of the cone precisely matches the angle of the reduction nozzle significantly reducing cavitation and improving bottom end punch, midrange pull and overall performance.
Constructed of cast aluminum and powder coated to prevent corrosion.
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Our Price: $91.87
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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.
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Our Price: $79.95
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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
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Our Price: $74.99
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Riva GPR Free Flow Exhaust Kit

Replaces the restrictive sound suppression system on GPR's. Provides reduced back-pressure that improves engines performance and reduces harmful detonation. Easy installation with noticeable results. IJSBA Superstock legal. IJSBA Limited & Superstock legal.
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Our Price: $46.99
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Cat Temp Sensor Chip Yamaha 1200 | 1300 PV (66V/60T)

The Riva Cat Temp Sensor Chip is a must when removing the OEM catalytic converter on Yamaha 1200 Powervalve engines. The circuit is designed to mimic the signal sent to the OEM CDI by the catalytic converter’s temperature probe preventing CDI flutters, warning devices sounding and engine shut downs due to cat removal. Can be used with stock or modified OEM CDI’s. Plugs directly into factory wiring harness.
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Our Price: $19.95
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