NGK Spark Plugs for Sea-Doo & Yamaha

NGK spark plugs for Sea-Doo and Yamaha watercraft — the OE-spec NGK plug for your engine, matched by application. NGK Standard and Iridium plugs are OE approved and recommended for reliable performance. Plugs are sold individually: Sea-Doo 3-cylinder engines take 3 plugs, Yamaha 4-cylinder engines take 4.

Key Features

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

What's Included

• 1 × NGK spark plug (application selected above)

Sea-Doo 300 — NGK KR9C-G

For use in all Sea-Doo 300hp engines. Thread diameter 12mm, thread pitch 1.25mm, gasket seat, reach 19mm (3/4"), hex size 5/8" (16mm), solid terminal, factory gap .031" (0.8mm).

Sea-Doo 325 — NGK KR9EI-8G Iridium (BRP 296000455)

For use in all Sea-Doo 325hp engines. Iridium fine-wire plug specified for the 325 engine.

Sea-Doo 130/170/230 (2021+) — NGK DCPR8E

For use in all Sea-Doo 2021 & newer 130/170/230 engines. Thread diameter 12mm, thread pitch 1.25mm, gasket seat, reach 19mm (3/4"), hex size 5/8" (16mm), solid terminal, factory gap .028" (0.7mm).

Yamaha SVHO — NGK LFR7A

V-Power plug for Yamaha SVHO engines. Thread diameter 14mm, thread pitch 1.25mm, gasket seat, reach 26.5mm (1.04"), hex size 5/8" (16mm), solid terminal, factory gap .035" (0.9mm).

Yamaha 1.8/1.9L HO — NGK LFR6A

V-Power plug for Yamaha 1.8L and 1.9L HO engines. Thread diameter 14mm, thread pitch 1.25mm, gasket seat, reach 26.5mm (1.04"), hex size 5/8" (16mm), solid terminal, factory gap .035" (0.9mm).

Fitment

• Sea-Doo 300: all 300hp models (RXP-X 300, RXT-X 300, GTX 300)
• Sea-Doo 325: all 325hp models (RXP-X 325, RXT-X 325, GTX 325)
• Sea-Doo 130/170/230: 2021 and newer GTI, GTX, Wake and Explorer Pro models
• Yamaha SVHO: 2014–2027 FX SVHO, FX Cruiser SVHO, FX Limited SVHO, GP1800 / GP SVHO, FZR and FZS
• Yamaha HO: 2009–2023 1.8L and 2024–2027 1.9L FX HO, FX Cruiser HO, VX Cruiser HO, VX Limited HO and GP HO models

Note: Sold individually — order 3 for Sea-Doo engines, 4 for Yamaha engines. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.