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'; My ES-kape with KX21!

Author Topic: My ES-kape with KX21!  (Read 1423 times)

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Offline Hillbilly

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Re: My ES-kape with KX21!
« Reply #15 on: August 13, 2020, 07:46:00 AM »
If you find a KX, Duff, snag it.  The torque makes a difference at all speeds.  You won't get the top speed of the newer hulls but it will be faster  than it was and it is nice going up the rapids.

Tom sure is right about the rings.  I bottomed out on the Yough this week and could feel the difference right away.  Resurfaced two last night.
I'm going to make a new JB spreader for the rings to make it faster to do.  Tom, i enjoy all of your improvements, but your wear ring is the one no Mokai should be without.  Thanks

Offline Painlesstom

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Re: My ES-kape with KX21!
« Reply #16 on: August 15, 2020, 10:33:02 AM »
I've been using a piece of linkage rod to spread the JB lately, can spread it in a continuous path for a cleaner more consistent finish. Basically any 1/8" round rod would work, try it next time.  ;D

I made it out yesterday for another test run, ran like a champ. Hit 16.7 going, and 18.79 coming back down. Seeing these speeds at the current river stage of 4.5' is very impressive, when I hit my speed records with the ES-kape in the past it was 19-20 mph and during flood stage of 13-14'.

The next flood season is going to be pretty exciting, can't wait.  >:D

Tom

  >:D    

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Offline Larry

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Re: My ES-kape with KX21!
« Reply #17 on: August 15, 2020, 04:52:50 PM »
Nice video Tom. I'm really impressed with the speed. I usually run around 10 mph.

Offline Relichunter

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Re: My ES-kape with KX21!
« Reply #18 on: August 24, 2020, 09:01:04 AM »
I've been using a piece of linkage rod to spread the JB lately, can spread it in a continuous path for a cleaner more consistent finish. Basically any 1/8" round rod would work, try it next time.  ;D

Thanks for this tip Tom. I used a small length of 1/8” brazing rod to apply the JB weld to the wear ring. I was able to do a much nicer job than using a utility knife blade.  \./8

Offline Painlesstom

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Re: My ES-kape with KX21!
« Reply #19 on: December 01, 2020, 09:37:35 PM »
 Noticed I never added pics of the new stainless water cooled muffler.   \./8
Tom

  >:D    

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Offline Craig5251

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Re: My ES-kape with KX21!
« Reply #20 on: December 02, 2020, 08:37:49 PM »
You sure do keep busy! Very nice work, as always.

Offline Painlesstom

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Re: My ES-kape with KX21!
« Reply #21 on: December 02, 2020, 11:27:33 PM »
Thanks, I just need more time to go play with it. Finally got it better than I ever imagined and can't wait to take it out again, and as much as I hated the ES-kape when I first got it that says a lot.  ;D
Tom

  >:D    

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Offline Painlesstom

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Re: My ES-kape with KX21!
« Reply #22 on: December 11, 2020, 09:47:37 PM »
Made it out for a nice down river trip this time, first time going down with the KX! So much fun!! I soooo wish these motors and parts to upgrade them were still available, such a goldmine of power and refinement!

Tom

  >:D    

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Offline CC-CODER

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Re: My ES-kape with KX21!
« Reply #23 on: December 11, 2020, 11:11:33 PM »
Glad you got to head down river again, we had a great time too. Kind of weird not seeing a crane in the middle of the river.
 The motor and new pump are running great. Do you think the new pump, muffler and cold air intake upgrade can take the place of the intercooler? Wondering what temps its producing compared to your old upgrades.
« Last Edit: December 11, 2020, 11:15:19 PM by CC-CODER »
🤦🏼‍♂️ Chuck 🤷🏻‍♂️

Offline Painlesstom

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Re: My ES-kape with KX21!
« Reply #24 on: December 12, 2020, 01:28:26 AM »
I saw a few Herons out there today, just standing on the bank looking at me like I'm crazy. *They weren't wrong  :D

The new pump design reduces friction inside the pump and lets the engine spin it a little faster. My new muffler is cooler so that reduces the temps in the engine compartment even more than my previous water cooled muffler, but my goal in that design was to make it tougher and last longer. The intercooler is what worked on the 2010-2012 models well because the way the hood is configured my muffler cover is over the air cleaner lid so plumbing a cold air pipe up through that would look awkward and stick out more than I wanted. But the purpose of that intercooler is to reduce the incoming temp to something equivalent to ambient air outside the hull, so if a cold air intake was in place instead that would replace the intercooler.   ;D
Tom

  >:D    

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Offline bizler

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Re: My ES-kape with KX21!
« Reply #25 on: December 12, 2020, 11:17:40 AM »
That’s a pretty cool setup. I presume it delivers higher sustained RPM. What did you experience?   \./8

Offline Painlesstom

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Re: My ES-kape with KX21!
« Reply #26 on: December 12, 2020, 12:44:04 PM »
I see 4240-4300 on the tach, but I highly doubt the accuracy since the previous motor would give me about the same range of RPM. Seat of the pants and GPS speed numbers say the KX makes MUCH more power and since the only power felt in a jet boat is a reflection of increased RPM, that says the KX is spinning much faster than the previous motor.
Tom

  >:D    

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