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Mercury Jet Boat
Which jet drive does your boat have?
Mercury Optimax or similar
90hp 3-cylinder Force Sport Jet
120hp 4-cylinder Force Sport Jet
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- Optimax (1)
- Force Sport Jet (0)
Testimonials
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I just installed two Cobra Jet Steering Viper setups on my SX230 and I must say, I am very pleased with the results. I have been a jetboater and jetskier since the mid 90's and I have had my current b...
via Jetboaters.net
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Installed the ultimate and fangs on my 2015 yamaha ar230. Easy install. Noticed the difference backing the boat off the trailer, straight as can be. We have a long no wake zone, the boat was much easi...
William Eaton
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Oh my god! Jeff I wanted to send a note to thank you for several reasons. First your communication has been flawless, I ordered the fins last weekend. You responded immediately! Second, you sourced ch...
Bill Haley
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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
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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
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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
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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
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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
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Testimonial for the Mercury V6 Optimax System: Installed on my 2002 seadoo islandia. I was very skeptical at first...that is until I was in the water. All I can say is what a great product!!! How d...
via email to CJS
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So after a couple of months of going back and forth on whether to buy Lateral thrust reversers or try a new system all together we went with the Cobra Jet Viper NK's with Mega Fangs (can't really go w...
Johnny H. in Parish, FL
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I just purchased a 2003 Yamaha SR230, and did some research reference steering and all I read were horror stories so I decided to purchase the cobra mega fins, before I even put it in the water. Fir...
Juan
deplaz1@verizon.net
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I had another manufacturers"fins" on my boat and never really noticed much improvement in steering. I just replaced them with the Cobra Venom 16x's and I now notice a big improvement at all speeds eve...
JDW
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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
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Jeff, I installed the cobra jet system last week and just took my boat out yesterday, it was great! Thank you for making a quality product and it has made maneuvering my boat much easier. Sinc...
Tony
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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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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
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i found Jeff's website through a search for upgrades and read the page, then i called Jeff and had a nice conversation relating to the product. i then purchased a unit and have recently operated my sk...
Jim
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Fins are working great! Wow, what a difference. Install went smoothly. I would recommend the fins to any jet boat owner! Thanks Jeff!
Derek Dial
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Just got back from towsurfing one of the outer reefs - wasn't real big but double to triple overhead (15 to 20' faces) and the ski worked GREAT! Comin' in hot to pick up my partner after he wiped out ...
Peter
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