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Sea-Doo 4-TEK Products
The following products are designed for use with your Sea-Doo Jet Boat or boat equipped with a Sea-Doo 4-TEK engine
If you still have questions, feel free to contact me at jeff@cobrajetsteering.com
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Cobra Jet Steering for ROTAX/Sea-Doo 4-TEC Engines
MSRP: $339.99
Buy Direct Discount Price only $219.99
Cobra Jet Steering for 4-TEC engines being used in Scarab, Glastron, Chaparral & late model Sea-Doo boats
Learn More
Testimonials
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Just thought I would let you know that we love the cobra jets. My mom will actually drive the boat now!! Thank you!
via email to CJS
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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
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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
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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
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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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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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I can't say how much I enjoy your product ,excellent all around slow, fast, docking or pulling, just great engineering and fabricating thank you so much!
Timothy O'Brien
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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
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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
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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
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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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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 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
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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
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Jeff, sorry I didn't get back to you sooner with feedback I have been too busy enjoying the new boat. The Cobra jet steering fins have made all the difference in the world to the 2012 Yamaha AR190 in ...
Kevin Vaughn
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OMG the difference! My husband and I recently bought a jet boat. We had several crashes at the marina where we docked the boat. I found the cobra steering fins. I mailed my nozzle to Jeff for my insta...
Tracy Ftaiti
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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
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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
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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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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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