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Internal engine parts like camshafts, heavy duty valvetrain, etc.
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Engine Cooling Adapter for Yamaha Cometic Yamaha Head Gasket Fizzle Oxygen Sensor Mount for Yamaha
Cometic Yamaha Head Gasket
Our Price: $109.00
This engine cooling adapter allows you to deliver additional cooling water to the engine block. The cooling adapter is precision machined from billet aluminum and anodized for increased corrosion protection.

Fits all Yamaha 1.8L engines from 2008 to present.
This adapter mount allows you to install a Bosch oxygen sensor for tuning purposes onto any 2012 and newer Yamaha SVHO, SHO or HO watercraft. This adapter easily installs between the factory exhaust pipe and manifold. Included are new gaskets, stainless steel mounting bolts, and a stainless steel block-off plug with sealing washer to block-off the sensor when not in use. The adapter mount is precision machined from billet aluminum and anodized for increased corrosion protection.

Fits all 1.8L and 1.9L Yamaha HO, SHO and SVHO watercraft from 2012 to present
RIVA Yamaha 2018+ SVHO Intake Manifold Upgrade Kit Calas Performance Retainers (Yamaha) Riva Yamaha/Kawasaki Valve Spring Compression Tool
The RIVA Intake Manifold Upgrade Kit enables your SVHO engine to produce more horsepower by delivering increased air flow and boost pressure (+1lb). Precision machined billet sleeve directly replaces restrictive mesh element that is prone to becoming dislodged in OEM plastic intake manifold. Provides improved low end punch and mid-range pull with improved reliability. Includes detailed installation instructions.

Key Features:
  • Delivers more boost pressure & horsepower.
  • Improves reliability by removing OEM mesh that is prone to failure.
  • Billet aluminum sleeve features o-ring design for positive seal.
  • Includes hole saw & cutting fixture for clean installation.
Fits all Yamaha 2018+ SVHO
Calas Performance Yamaha set includes sixteen retainers that are manufactured with high quality military certified Titanium alloy and are CNC machined for a tight fit. Retainers are extremely strong, lightweight and add improved wear resistance. Retainers are made to fit OEM factory valve spring set. The RIVA overhead Valve Spring 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 & Kawasaki 1.5L 4-stroke engines.
Fizzle Billet Driveline Coupler for Yamaha Supertech Single Springs & Retainers (Yamaha)
The Fizzle driveline coupler is a must-have for all high horsepower Yamaha watercraft! This coupler is CNC machined from billet aluminum for superior strength and anodized for increased corrosion protection. This full assembly is designed to replace the OEM Yamaha cast aluminum coupler system that has two main failure points – the threads stripping out or the rubber dampener failing. Included in this kit is a heavy-duty polyurethane dampener that completely eliminates the use of rubber material that is prone to failing under heavy loads. The Fizzle driveline coupler has been tested in racing applications with brutal power, pushing more than 60 PSI of boost, plus nitrous.

Fits all 1.8L and 1.9L Yamaha SHO and SVHO watercraft from 2008 to present
Supertech Yamaha set includes 16 retainers that are manufactured with high quality Military Certified Titanium Alloy and are CNC machined for a tight fit. Supertech set includes 16 single valve springs which are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software control. This combined with our high quality steel alloy enables Supertech valve springs to be more durable in extreme conditions. Supertech Set includes 16 Spring Locators that are manufactured from hardened 4140 Steel Alloy that not only protects the cylinder head casting and shim, but also precisely locates and holds the valve spring in place.