Dyno results 2014r Yamaha approved parts GYTR Stage 1.5 - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums
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post #1 of 49 (permalink) Old 04-02-2017, 08:47 PM Thread Starter
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Dyno results 2014r Yamaha approved parts GYTR Stage 1.5

GYTR race exhaust
GYTR adapter ring, cone filter, and filter skin
GYTR ais delete/2013 cable holder
PCV without timing
OEM 2013 ECU
OEM 2008 carb intake cam
Samco radiator hoses
CV4 2 bar radiator cap
Engine Ice
Yamalube full synthetic 15w50
AM/PM ARCO 91 octane

Everything else on the motor is stock 2014r. Motor had 25 hours on it. Essentially the break in period and then some light putting around after installing carb cam at 23 hours.

Useful info/Notes: I used the whole ais delete kit. I found that if I left out the small piece of aluminum that came with the kit it was going to change the geometry on my breather pipe and also make me have to bend the tab on the support bracket. It literally only weighs a few grams. Not ounces or pounds. I used the GYTR stage 1 map downloaded from the PCV website initially but after the carb cam I knew it was lean up top. Even before dyno bog was completely cured by ais delete, 2013 ECU, PCV accel pump feature set at 25, and proper TPS adjustment. Will post pre dyno no bog vid if it lets me. Dyno results are first run/last run comparison. After installing carb cam a/f was fat down low and lean up top with Stage 1 GYTR map. Left filter skin on while dynoing (I live in the desert. It's dusty here.) Temperature 77 degrees humidity 15% according to weather channel on final run. Tuning done on load sensing dyno at KMS Performance in Phoenix, AZ. Thanks for working on a Saturday Kelly.

Dyno results 2014r Yamaha approved parts GYTR Stage 1.5-img_0533.jpgDyno results 2014r Yamaha approved parts GYTR Stage 1.5-craig-k-2014-yfz40r.jpg


Dang. I can't attach videos. Anyways.
Coming soon: Ported head and throttle body.
Other thoughts: Buy an OEM service manual and make sure everything is in spec.



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post #2 of 49 (permalink) Old 04-02-2017, 09:16 PM
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Does that say 49/33

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post #3 of 49 (permalink) Old 04-02-2017, 09:33 PM Thread Starter
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I guess Tapatalk doesn't send a very clear picture or video. I'll try on PC tomorrow.
First run: 46.50hp 31.70ft/lb
Last run: 49.29hp 33.13ft/lb


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post #4 of 49 (permalink) Old 04-03-2017, 03:41 AM
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Orange I am in phx as well do you ride trails or mx

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post #5 of 49 (permalink) Old 04-03-2017, 10:13 AM Thread Starter
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Desert XC but I'm actually located in the tristate area about 3 hours west of Phoenix.


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post #6 of 49 (permalink) Old 04-04-2017, 12:19 AM
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About time someone else thru the 13 ecu on it. Makes it wayyyy better . Good job

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post #7 of 49 (permalink) Old 04-05-2017, 11:40 PM Thread Starter
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Does anyone know what the hp rating is on the stock o-ring chain? I've tightened it up a couple times already but it got stretched pretty good after the dyno tuning.


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post #8 of 49 (permalink) Old 04-08-2017, 11:59 PM
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Quote:
Originally Posted by Orange2014 View Post
Does anyone know what the hp rating is on the stock o-ring chain? I've tightened it up a couple times already but it got stretched pretty good after the dyno tuning.


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If its already stretched id get a new one. Colored ones are like 40$ on ebay.

But to answer your question it can handle w.e hp you put at it. I run the same series chain on my 08 cbr1000rr

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post #9 of 49 (permalink) Old 04-09-2017, 12:13 PM
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Do not get a colored chain!
Off road chains take way more abuse then road.
Every time the tires leave then slam down under throttle that's a huge shock to the chain and pulls it hard.
Chains are extremly important to not cheap out on.
I've had great luck with my gb520mxu

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post #10 of 49 (permalink) Old 04-09-2017, 05:39 PM Thread Starter
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Thanks for input Shee. I already have sprockets and d.i.d. Vx2. Natural colored. It's a drive chain why get a colored one? Just didn't want to replace what I got yet because I need to order a chain breaker/press and 30mm socket to remove front sprocket.


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post #11 of 49 (permalink) Old 04-09-2017, 05:41 PM Thread Starter
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But I got lsr rear hubs and a brake hub to put on so I met as well do it all at the same time. Buying tools now.


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post #12 of 49 (permalink) Old 05-17-2017, 02:15 PM Thread Starter
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post #13 of 49 (permalink) Old 05-17-2017, 02:17 PM Thread Starter
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post #14 of 49 (permalink) Old 05-17-2017, 02:19 PM Thread Starter
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post #15 of 49 (permalink) Old 05-17-2017, 02:21 PM Thread Starter
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