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Engine
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Riva Yamaha Engine Breather Upgrade Kit 1.8L 2012+
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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RIVA FLYWHEEL BOLT UPGRADE KIT (Sea-Doo & Yamaha)
Fits all Sea-Doo 1503 & 1630 engines, all Yamaha 1.8L engines.The RIVA Flywheel Bolt Upgrade Kit is a high strength bolt kit directly replaces OEM flywheel bolts that are prone to shearing off on modified Sea-Doo 1503/1630 & Yamaha 1.8 liter engines. Superior materials and design improve durability under high stress conditions. An essential upgrade for reliable performance! Sold as a set of 6.Fits: 2022 YAMAHA GP1800R SVHO2022 YAMAHA GP1...
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Riva Yamaha/Kawasaki Valve Compression Tool
Our overhead Valve Compression Tool allows easy removal of valve springs and keepers without removing cylinder head. Includes compression adapter to pressurize cylinder keeping valves in place during removal of stock springs and keepers. Fits both Yamaha 1.8L Engines and Kawasaki 1.5L Engines.
Learn More...$259.99 -
Yamaha Oil Filter
Element assembly.
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Yamaha OEM Oil Pump Gasket – 1.8L Engines
New Yamaha Genuine OEM replacement oil pump gasket. Required when replacing the supercharger clutch. Used on all Yamaha 1.8L engines.
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WORX Yamaha 1.8 Engine Cooling Upgrade Kit
WORX Racing Yamaha 1.8 engine cooling upgrade kit provides the much needed ‘extra cooling’ when modifying your watercraft. Our WORX Racing cooling kit allows the addition of an extra water line from the Jet unit which feeds directly into the Yamaha 1.8 engine block to significantly lower engine temperatures under load to increase engine reliability and performance. Includes all necessary Fittings, hoses and clamps.Doesn't fit...
Learn More...$120.00 -
WORX Yamaha 1.8 Engine Cooling Plate Upgrade
Our new Yamaha Engine Block Cooling plate allows for up to 3 fittings to be fitted for maximum water flow into you Yamaha 1.8 engine block. Injection points target know engine ‘Hot Spot” and directs initial cooling around No#2 cylinder which is common for detonation and overheating in high boost applications. Billet anodised construction allowing 1,2 or 3 fittings to be installed Fits all 1.8 Yamaha engines (may require o-ring for e...
Learn More...$150.00 -
RIVA Yamaha 1.8 Valve retainer upgrade kit RY19040-SRU
Titanium 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. A must for any modified watercraft.
Learn More...$349.99 -
RIVA Cylinder Head Stud Kit Yamaha 1.8L Engines
Superior material & heat treat process provide 10X better fatigue strength than OEM bolts. Studs provide improved alignment of cylinder head and gasket for increased reliability and ease of maintenance. More accurate & consistent torque loading provides a more uniform clamping force on head gasket. Helps prevent blown head gaskets and assures optimum engine sealing. Fits all Yamaha 1.8L Engines
Learn More...$279.95 -
RIVA Yamaha 1.8L Engine Cover Billet Knob Set
These precision machined billet aluminum knobs provide quick and easy access to your engine for maintenance & cleaning. Directly replaces original steel mounting screws securing engine cover that are prone to corrosion. A practical upgrade that installs in minutes and looks awesome! Provides quick & easy access to engine for maintenance and cleaning. Adds a custom look to engine compartment. Easy-turn billet aluminum knobs are mated ...
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WR04030 YAMAHA PUMP COOLING PLATE SINGLE
Yamaha Single fitting pump cooling plate kit. Billet anodised plate that fits directly onto OEM Yamaha Jet unit, allowing an extra water fittings to be added to your watercrafts cooling system. A must for High horsepower applications. BRASS FITTINGS NOT INCLUDED.
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WR04003 YAMAHA BILLET ENGINE COUPLER
Billet Drive coupler for Yamaha 1.8 Engine Fits any 1.8 Yamaha Engine Billet construction huge strength upgrade over stock cast unit Utilises OEM rubber coupler A must for any High Horsepower/ Race watercraft
Learn More...$382.00 -
RIVA Yamaha 1.8L Crankcase Main Stud Kits
Superior material & heat treat process provide 10X better fatigue strength than OEM bolts. Studs provide improved alignment of crankshaft for increased reliability and ease of maintenance. More accurate & consistent torque loading provides a more uniform clamping force on crankshaft. Fits all Yamaha 1.8L engines
Learn More...$199.95 -
P3 Labs Titanium Yamaha Retainer Upgrade Kit 1.8L Engines
Reduce the possibility of valve float at high RPM by protecting your engine with our precision machined titanium valve retainers. Comes with 16 count.
Learn More...$279.99 -
Yamaha RIVA Pro-Series 1.8L Cylinder Head Gaskets
Our Pro-Series Cylinder Head Gaskets were developed to withstand severe heat & pressure generated by high-boost and high horsepower applications delivering maximum reliability to your racing engine. Key Benefits Include: Three layer stainless construction for durability & corrosion resistance. Viton coated & embossed surfaces for maximum sealing between head and cylinder block. Unique design promotes even torque load across s...
Learn More...$149.95 -
Yamaha Engine Cooling Upgrade Kit Fits all 1.8L H.O. N/A Models
Our Engine Cooling Upgrade Kits deliver dramatically improved cooling efficiency to engine and oil cooler for increased reliability & performance. Greatly enhances water flow & pressure by replacing restrictive OEM water fittings with high-flow billet fittings and superior routing. Allows the addition of aftermarket ECU's, high-boost compressor wheels and other performance modifications that can increase heat & detonation. Includes al...
Learn More...$359.95 -
WR04031-K YAMAHA 1.8 DUAL COOLING PLATE KIT
Yamaha Dual fitting pump cooling plate kit .Billet anodised plate that fits directly onto OEM Yamaha Jet unit, allowing 2 extra water fittings to be added to your watercrafts cooling system. Also includes 2 x Billet Thru hull fitting for custom cooling kits. Kit Includes: 1 x Dual pump plate and 2 x ½ Inch thru hull fittings For Custom ‘design yourself’ Cooling kits A must for High horsepower applications.
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WR04006 ARP HEAD STUD KIT ALL YAMAHA 1.8 HO/SHO/SVHO
Get the party started with our Launch Kit! This combination of parts is the ideal platform for kicking off your modifications and can be easily added to over time to further upgrade your jetski. Designed to extract the best possible potential from your standard watercraft , this level of kit includes parts that any mechanically minded individual should be able to install. 1) WR04020 Air Filter Kit allows maximum air flow to your ...
Learn More...$249.95 -
P3 Labs Titanium Yamaha Retainer Upgrade Kit 1.8L Engines
Reduce the possibility of valve float at high RPM by protecting your engine with our precision machined titanium valve retainers. Comes with 16 count.
Learn More...Regular Price: $279.99
Special Price $209.00
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Yamaha RIVA 1.8L Engine Replacement Sleeves
Our high-quality ductile iron replacement sleeves are considerably harder and more abrasion resistant than OEM sleeves providing excellent oil retention, ring seal and the ultimate in leak down performance. Sleeves lock firmly into place during installation against machined step in engine block preventing possible dropping or shifting, protecting head gasket seal. Accepts pistons for stock bore (86mm) up to 87mm (2nd Over RIVA Pro-Series Pistons)...
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