1.8 and 1.9 Litre Yamaha Boat/Waverunner Spark Plugs

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  • Regular price $39.95


*Please Select Engine Configuration Before Ordering*

Box of NGK spark plugs for 1.8 and 1.9 litre Yamaha boat and waverunner engines. 

Single Engines Will Receive 1- 4 Pack 

Twin Engines Will Receive 2- 4 Packs

Pre gapped - plugs available for both naturally aspirated and supercharged engines. 

Spark Plugs Include One Vial of Wacker Brand Thread Lubricant (Heat-Sink Paste) Per 4 Pack Of Plugs 

PRE-SEASON READINESS CHECKLIST: CHECKLIST DOWNLOAD HERE

Spark Plug Swap Video


Customer Reviews

Based on 10 reviews
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A
Ansel Anderson

Great service

A
Anonymous
Tiny Fireworks for Your Engine!

I recently replaced my boat’s spark plugs, and let me tell you, it was like throwing a surprise party for my engine! Who knew these little metal sticks could have such a big impact?

First off, let’s talk about size. These things are tiny, but don’t let that fool you! They’re like the overachievers of the boating world—small but mighty! It’s like inviting a firecracker to your BBQ; you think it’s just a decoration, and then BOOM! Instant excitement!

Installation? Easy peasy! If you’ve ever played with Lego, you can handle spark plugs. Just grab a wrench and a little elbow grease, and voilà! You’ve transformed your engine into a finely-tuned orchestra. I half-expect my boat to start belting out show tunes any day now.

And the performance! My boat now starts faster than my friend when they hear “free pizza.” Seriously, it’s like the engine is saying, “Let’s go, buddy!” The other boats on the lake must think I’ve got a secret turbo boost hidden somewhere. Nope, just good ol’ spark plugs doing their job!

J
Jeff Harton
U got it right

It’s simple you got the OEM factory plugs to me is all I wanted and is all I got work great I know that sounds funny but a lot of Yamaha dealers in California twice gave me the plugs for 190 Yamaha, which is not supercharged. It does make a difference in performance to get the right plug for the engine.

D
David Winters

Great customer service

S
Stephen Frati
FSH 255

Received the exact plugs I needed with the anti cease required.