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Optimax

The following products are designed for use with your Mercury Optimax equipped jet boat

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

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Testimonials
  • 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
  • Customer review sent to me on the new Ultimate A K steering with mega fang plus compared to the thrust vector steering on a 21 foot yamaha the articulating kee...

    email to CJS

  • Hi Jeff - I installed the Cobra Jet Venom Ultimate fins last week. The difference in handling is night and day. Prior to the installation, my 2014 Yamaha SX 190 was very hard to steer at low speed bec...

    Pete Brown

  • 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

  • I don't know how you figured out how to do this .But what a difference it made on my gsx.I enjoyed this ski accept for the loss of control at high speed . If I turned fast it would loose its bite and ...

    Bill

  • I spent 7 hours on the lake today fishing. The Viper is the single best piece of equipment I've purchased for this boat. I highly recommend it. Spent a lot of the time at idle fishing and can say ...

    from JetBoaters.net forums

  • Year: Other/Not Listed
    Make: Yamaha
    Model: Other/Not Listed
    Misc: SX195
    Just wanted to give a quick review on the CJS viper series Jeff installed for me last week. I have a...

    Jason V

    Jsvny79@gmail.com
  • I tried your steering kit on my quick-handling XP. I am amazed that something that looks small and inconsequential can make such a difference. This ski can be punishing in chop and at high speed becau...

    Bill Baker

  • 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 am the individual who allowed my 2004 sea doo to be photographed and displayed on this web site. I consider myself to be a serious jet skier and have been for nine years. After purchasing my newest ...

    Ed

  • I put the CobraJet Steering kit that you sent me on the Mercury Sportsjet that is on my 22 ft. Motion Marine Mojet LX and it works great. Thank you for the excellant service.

    Rob

  • My personal views/review of the Cobra Venom Magnum AK with MEGA Fangs:

    When I got my boat this spring, it was my first jet boat. But, I have been boating as long as memory serves a...

    Jameson Clark

  • All I have to say is THANK YOU!! I was going to trade my boat in and your fins made all the difference in the world!! I was scared to drive my boat without these, now I can control my boat and dock it...

    via email to CJS

  • All I can say is wow! My wife and I purchased a 2000 seadoo challenger in March. Docking was a nightmare, I was absoulutly scared to death to pull into the launch ramp sometimes even jumping out of th...

    Aaron in Ohio

  • As new jet skiers, we were thinking that the ski would be very unstable and sort of like "riding a rocket." When we first launched our jetski with the steering installed, we were amazed at h...

    Charlie and Sue

  • I now have a full season's experience with Cobra Jet Steering and can say that it's the single best modification I've ever made to our boat! Lining up to the dock is precise and maneuvering through tr...

    Jim Smith

  • 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

  • Absolutly fantastic!!! It was like having power steering. It does everything it is advertised to do and more. At full speed before it was installed, it took some force to turn it. Now I can turn using...

    Rick Hopper

  • 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

  • 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

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