15 ecu on 16 yz450f

MX558
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MX558
I was wondering if I could run a 15 ecu on a 16 yz450 without any damage ? The 15 had a little more power down low . I'm running 1 up in the rear now for gearing . I've tried mxa map for fmf exhaust but the bottom is really weak. Thanks guys
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mxb2
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mxb2 11/28/2017 8:44am
11/28/2017 8:44am
Put some vp pro6, or mr12, or renegade sx4+ in it. You will thank me later.
rmoto003
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rmoto003 11/28/2017 9:07am
11/28/2017 9:07am Edited Date/Time 11/28/2017 9:07am
mxb2 wrote:
Put some vp pro6, or mr12, or renegade sx4+ in it. You will thank me later.
Yea but what about the (R+M)/2 Unleaded Spec. 87?


Heard that was good shit, can get it at 7-11 im pretty sure, last time the dealer closest to me had it on sale for $2.05 a gallon
mxb2
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mxb2 11/28/2017 9:30am
11/28/2017 9:30am
mxb2 wrote:
Put some vp pro6, or mr12, or renegade sx4+ in it. You will thank me later.
rmoto003 wrote:
Yea but what about the (R+M)/2 Unleaded Spec. 87? Heard that was good shit, can get it at 7-11 im pretty sure, last time the dealer...
Yea but what about the (R+M)/2 Unleaded Spec. 87?


Heard that was good shit, can get it at 7-11 im pretty sure, last time the dealer closest to me had it on sale for $2.05 a gallon
Sorry your not getting that fuel for $2 a gallon.

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mxb2
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mxb2 11/28/2017 9:31am
11/28/2017 9:31am
Specs and prices are online or contact a supplier. Usually $165-200 5 gallons . Liquid gold hp. Gas stations don't sell it.
mxb2
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mxb2 11/28/2017 9:35am
11/28/2017 9:35am
mxb2 wrote:
Put some vp pro6, or mr12, or renegade sx4+ in it. You will thank me later.
rmoto003 wrote:
Yea but what about the (R+M)/2 Unleaded Spec. 87? Heard that was good shit, can get it at 7-11 im pretty sure, last time the dealer...
Yea but what about the (R+M)/2 Unleaded Spec. 87?


Heard that was good shit, can get it at 7-11 im pretty sure, last time the dealer closest to me had it on sale for $2.05 a gallon
I would contact a motor builder, mapping motor questions.
mattyhamz2
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mattyhamz2 11/28/2017 8:23pm
11/28/2017 8:23pm
MX558 wrote:
I was wondering if I could run a 15 ecu on a 16 yz450 without any damage ? The 15 had a little more power down...
I was wondering if I could run a 15 ecu on a 16 yz450 without any damage ? The 15 had a little more power down low . I'm running 1 up in the rear now for gearing . I've tried mxa map for fmf exhaust but the bottom is really weak. Thanks guys
https://www.shopyamaha.com/docs/default-source/gytr-power-tuner-setting…
MX558
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MX558 11/29/2017 1:19am
11/29/2017 1:19am
I guess I'll pick up a tuner . I still have a 15 ecu that I used on my 14 that's why I asked the question . Not really interested in running race gas though I'm old and slow just want some more low end power is all
mxb2
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mxb2 11/29/2017 6:47am
11/29/2017 6:47am
MX558 wrote:
I guess I'll pick up a tuner . I still have a 15 ecu that I used on my 14 that's why I asked the question...
I guess I'll pick up a tuner . I still have a 15 ecu that I used on my 14 that's why I asked the question . Not really interested in running race gas though I'm old and slow just want some more low end power is all
Old and slow, if you need more power from that bike , I doubt you are slow. Try. 5 gallons of good fuel, not the pump garbage.
MX558
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MX558 11/29/2017 7:25am
11/29/2017 7:25am
My buddy has the same bike with stock exhaust and his is direct opposite of mine all low and signs off quick . I'm a 3rd gear corner guy (aka slow) , my 14 had really good bottom . The only reason I bought this bike was for the trick Enzo suspension , which is awesome. Race gas by us is a pita to get
mxb2
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mxb2 11/29/2017 7:29am
11/29/2017 7:29am
MX558 wrote:
My buddy has the same bike with stock exhaust and his is direct opposite of mine all low and signs off quick . I'm a 3rd...
My buddy has the same bike with stock exhaust and his is direct opposite of mine all low and signs off quick . I'm a 3rd gear corner guy (aka slow) , my 14 had really good bottom . The only reason I bought this bike was for the trick Enzo suspension , which is awesome. Race gas by us is a pita to get
Not sure of your location, vp and renegade is pretty easy to get on the east coast. They even ship, get 3 or 4 friends buy some, split shipping.

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