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4-TEK

The following products are designed for use with your Sea-Doo Jet Boat or boat equipped with a Sea-Doo 4-TEK engine

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If you still have questions, feel free to contact me at jeff@cobrajetsteering.com

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  1. Cobra Jet Steering for Sea-Doo / Rotax - Single Engine

    Cobra Jet Steering for ROTAX/Sea-Doo 4-TEC Engines

    MSRP: $230.00

    CJS Direct Discount Price: $199.99

    Cobra Jet Steering for 4-TEC engines being used in Scarab, Glastron, Chaparral & late model Sea-Doo boats

    Learn More
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Testimonials
  • It's hard to believe that such a small incremental expense can drastically change the overall performance of the entire experience. I am not a professional rider, in fact this is my first ski. I had i...

    Brad Buchmann

  • I purchased the SeaDoo Jetboat primarily because the waters here in Bradenton are so shallow. Jeff put on the steering mod and the handling is so much better. It has maneuverability at idle whereas be...

    David Cooper

  • Been meaning to chime in and tell you guys how awesome the Viper unit is. I now have 2 seasons with the 16 192 and wifey has only driven once for literally minutes. She just keep saying I can't keep t...

    via post on a jet boat forum

  • Testimonial from a 2013 - 19' Yamaha jet boat owner who had the Viper NK with the Mega Fangs and upgraded to the Mega Fangs Plus...

    Just got back from a great day on the gulf and hav...

    via Email to CJS

  • Just when I thought that great product, great service at an affordable prices was a thing of the past, then I found Jeff. The Utopia 205 is one of the heaviest seadoo jetboat and it needs quite a bit ...

    Frederic Phaneuf

  • Hey Jeff, Installed them (Cobra Magnum AK and Fangs) in a jiffy! Had a little issue with the stock starboard tie rod bolt on the jet, they had locktite on the tie rod side and took a bit of work to...

    via email to CJS

  • Jeff, that's all I have to say is thank you! After installing the Cobra Venom 16X on my new boat, I am finally able to dock just like my previous stern drive. You made me a believer in your product th...

    Randall Byerley

  • Slow speed handing has greatly improved since the installation of the Cobra Steering. Which is what you promised and delivered to me VERY quickly. Order was received here in California four days after...

    David B

  • Jeff, the fins work amazing! We went out in 12 mph wind and coming back to the dock usually we'd be sweating it, but with the new fins on, man what a difference! We can't thank you enough, WOW!!! Open...

    Penny Kennedy

  • I THOUGHT I MADE A $25,000 MISTAKE! I bought my first boat ever – 19’ Yamaha SX190 Jet boat and launched it only to discover that it was very difficult to steer and nearly impossible for m...

    Jeff Pierce

  • Working as intended. Maneuvering around the docks is a blast now. I no longer look like a boob bouncing off stuff. Thanks.

    David Wisley

  • Well, I installed and tested the new FANGS today. In a word: awesome. Ordering and delivery - I had the item at my door exactly two days after I paid an invoice for paypal transaction. Shipping is inc...

    via email to CJS

  • After doing some research on my boat before I purchased it, I came across the Cobra Steering System. All I can say is WOW!!!. This product does give you a better feel and very quick response from the ...

    Josh Holbrook

  • 2017 212 Ltd S with Articulating Keel

    I emailed Jeff ahead of ordering and he quickly answered all my questions. Several emails were exchanged and I got all the answers. I order the...

    Allen Franke

  • We received the steering fins this afternoon. I installed them and took the boat to the lake. They made a huge difference in the slow speed steering. I will tell others about my experience. Thanks aga...

    Mike

  • Finally got to test out the CJS Viper steering system I purchased. I can’t believe the difference it makes in the handling of my Yamaha 190 FSH especially at idle speeds, maneuvering is now a breeze...

    John & Pam

    johnpammo@hughes.net
  • I received the cobra viper yesterday and installed them last night after we got home from the lake on my AR195. Took off my thrust vectors and installed your product in about 30 minutes. Headed back...

    via email to CJS

  • With some great advice and fast support from Jeff, I installed the fins in about 30 minutes. The Cobra Jet Steering is fantastic. The ski turns on a dime and nice hole shots. While idling in the Marin...

    Ronn

  • Testimonial for the Mercury Optimax system:

    Thanks much. Your invention saved my relationship! (with my new/used jet boat). During 15 years of owning two I/O's, I was careful (and ...

    email to CJS

  • I need to share my recent experience with you and visitors to your web site. As you know I have had your steering system on my sea doo for nearly as long as I have had it, about two years. My girlfrie...

    David

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