Solves Power Valve problems on 1998-2005 800cc Yamaha WaveRunners. The original Power Valve upgrade kit. A must have for all Yamaha pwc waverunner and sport boats with the YPVS system. Solves all problems associated with the Yamaha power valves used on 800cc engine. Look at our other listing for 1...

For Winterizing and descaling. The quick and easy way to winterize inboard and outboard engines. All you need is a hose, flusher attachment and Star brite Anti-Freeze.

SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard, inboard and stern-drive engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed and written...

Spark plug set 816761Q16 is for use on V-6 MerCruiser engines with Thunderbolt IV ignition systems (1985 through 2003). The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of...

SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard, inboard and stern-drive engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed and written...

SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard, inboard and stern-drive engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed and written...

Fit The Following Engines. Model: Yamaha Outboards & Sterndrives (115-130hp,150-250hp, V6 Gearcase 1984 To Present) Model: Yamaha Outboards & Sterndrives (115-130hp,150-250hp, V6 Gearcase 1984 To Present) Part Number(s): MWC 103 MWC-103 MWC_103 MWC103 56-103

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical qu...

This electrical air fuel ratio has a multi-color LED which is bright in the daylight and dim at night. It has a 12-volt negative ground system and includes a gauge, harness, and mounting hardware. It comes with a black bezel and removable panel that adds style and color to your vehicle and a 2-in di...

Sierra 18-3575 Bi-Directional Circulating Water Pump for Mercury, OMC, Volvo DETAILS • Bi-Directional Circulating Water Pump for Mercury, OMC, Volvo • Replaces: Mercury 65142A1 and OMC 984360, 3854017, 380640, 986779 and Volvo Penta 3854017 • For: GM Inline (4 & 6 Cylinder) • Fits: Volvo Pen...

SELOC Marine tune-up and repair manuals provide the most comprehensive, authoritative information available for outboard, inboard and stern-drive engines, as well as personal watercraft. SELOC has been the leading source of how-to information for the marine industry since 1974. Designed and written...

OEM: OMC 503754