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post #1 of 10 (permalink) Old 10-24-2008, 01:33 PM Thread Starter
 
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Question Horsepower question

Just wanted to say hi to all the Teryx owners out there. I have gotten some really good info here and hopefully I will provide some as well. I am from the San Diego area and ride mostly at superstition mountain OHV park. My friend's all have Rhino's and I am the first with the Teryx. I have had it out only a couple of times but LOVE IT!!!! Already had it up to 60 MPH and only a DF slip-on exhaust and CDI. However, I just purchase the new, not out yet, Yoshimura dual exhaust and will be installing it with the AFE airbox and carb jetting next week.
I am wondering does anyone have any reallistic Horsepower numbers that can be expected with these type of mods?
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post #2 of 10 (permalink) Old 10-24-2008, 02:22 PM
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Hi there, welcome to the site! Great to have you with us

I think after all is said and done, you will be looking around 33 to 35 horsepower.

Below is my dyno run chart, as you can see stock is around 25 horsepower (red lines) you can also see what my horsepower is after the installation of the 840cc kit is (blue lines)






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2008 Kawasaki Teryx | 840cc BBK w/ stage III cams | FST long travel and HD steering | Twisted Stitch seats | FST cage | Muzzy dual exhaust | Dynatek prog CDI | aFe intake | HiPer carbon fiber beadlocks | Goodyear MT/Rs | Crow restraints | SafeGlo LED and FO whips | NightOwl HID conversion | Edge series 40" LED lightbar | Fuego Dual HID lights | Dalton clutch kit and OD cover | Full audio | Navigation | Power steering | TrailTech Vapor computer | Factory UTV skids | Airtite Art custom paint | Maier plastics
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post #3 of 10 (permalink) Old 10-24-2008, 02:42 PM Thread Starter
 
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Thanks for your reply. I was under the impression that stock Hp was about 28 ,then you get some improvement with the CDI and a slip on. Then an additional 14 hp or so when you add the airbox, jetting & dual exhaust. Sounds like you saying the aftermarket dealers are grossly overselling the performance of their products.
By the way, I could not open you dyno chart for some reason, but only 33 to 35 hp with all these mods? My buddy's 2006 660 rhino is putting out 40 with just bolt on mods. So the 33 to 35 sounds low to me. I have been hearing around 50 hp but now this sounds like a fantasy. comments?
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post #4 of 10 (permalink) Old 10-24-2008, 05:56 PM
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Well a lot has to do with how they setup the dyno...Maybe it might be more, I am not the authority by any means.

Maybe it would be closer to 38 or so.

50 horsepower though? Here is a list of mods I have and I dyno'd at 58.52 horsepower.
  • 8400cc big bore kit with stage III cams
  • Muzzys exhaust
  • Dynatek CDI
  • Dynatek high output coils
  • aFe Intake
  • Dalton Clutch kit with billet overdrive cover.
  • 205 main jets
Hopefully some of our experts will chime in for you as well




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I support every man and women in the armed forces, I wish you all the best and thank you!

2008 Kawasaki Teryx | 840cc BBK w/ stage III cams | FST long travel and HD steering | Twisted Stitch seats | FST cage | Muzzy dual exhaust | Dynatek prog CDI | aFe intake | HiPer carbon fiber beadlocks | Goodyear MT/Rs | Crow restraints | SafeGlo LED and FO whips | NightOwl HID conversion | Edge series 40" LED lightbar | Fuego Dual HID lights | Dalton clutch kit and OD cover | Full audio | Navigation | Power steering | TrailTech Vapor computer | Factory UTV skids | Airtite Art custom paint | Maier plastics
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post #5 of 10 (permalink) Old 10-24-2008, 08:49 PM
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Desertdog,

I hate to be the bearer of bad news but I think you will be disappointed with that set up or at least comparing it to the following.

I would buy the muzzy, get our jet/intake kit and skip on the AFE.

You will end up with more HP and will spend less money.

Todd



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post #6 of 10 (permalink) Old 10-25-2008, 02:37 PM
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Desertdog615

I would bet that your Teryx with 33-35 HP will still smoke your buddy's 40 HP Rhino. Like they said it depends on the dyno, or the guess-timates??? I know a 700 Rhino with the EFI Chip/Commander and exhaust is close to my Teryx with Dynatek and exhaust tip until around mid-range and then it's bye-bye! Don't forget about the V-twin torque!
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post #7 of 10 (permalink) Old 10-26-2008, 03:23 PM
 
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why do you say to skip out on the AFE intake and go with your jet/intake??? I am getting the muzzy system soon and was going to get the AFE intake, a CVT filter, and jets....why is yours better and whats wrong with the setup i am going to get?? just curious??
Thanks
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post #8 of 10 (permalink) Old 10-26-2008, 04:38 PM
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We did a exhaust shoot out and a true dual system barely performed better than stock with the Muzzy doing well.

The AFE is just a waste, it loses the vacuum you need to make your carbs work right. I have one now Magellan send me, because it didn't work for him and is terribly loud.

Against my better judgement I am going to install it on our Teryx and dyno it just to prove it does not work.

I already installed it but not jetted right but what the install and run showed me was the loss of vacuum with it caused the carbs not to suck up as much fuel making the engine run dangerously lean.



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post #9 of 10 (permalink) Old 10-26-2008, 10:11 PM
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Are you going to run weaker springs/rejet in your AFE dyno test?
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post #10 of 10 (permalink) Old 10-27-2008, 05:53 AM
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Dougs,

I am going to try to make it run right. I am going with stock springs too as they don't include weaker springs and if it actually worked with weaker springs which I doubt they should include them.


I have been wrong before on the true dual exhaust doing the best on top end and I was wrong but I don't think I am wrong this time but if I am I don't mind eating crow.

As a end user you want performance and spend less money. If I can stop you from wasting your money and time I will and hopefully give you a better option in the process.

Hunterworks does NOT sell products that don't work.

Todd



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