2009 nytro mcx 240 upgrading to 270 questions

topdog

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Looking for information on upgrading a mcx 240 nytro to 270hp
anyone have pictures or source to locate the plumbing/ routing etc. Tried searching forums and mcx website w no luck.
I just sent my mcx ecu to Prince George Yamaha for 270 remap.
I have a high flow external spare pump from my past mcx 310 apex
I will have to pick up a fuel regulator still.
Apreciate any info, thanks
 

Tuesday

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think you have it nailed pretty close. Flash, fuel reg, and pump. You also have to adjust your wastegate and possibly some clutching depending on what you have.
 

topdog

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Thanks Tuesday ,just figured mcx would have a instruction list for the upgrade avail.
2009 nytro w mcx 240
174 3" extreme
3" forward z broz
cr tunnel and bling
 

topdog

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Finally found a diagram on configuration. Would anyone know the malpassi fuel regulater part # or where I could get one? Thanks!
 

YamaDad

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A tunnel dump exhaust would be good if you don't already have it.

Are you leaving the stock fuel pump in the tank and adding a second or deleting the stocker? My Powderlites/Boost it setup deletes the stock one. It runs great but occasionally vapour locks and we need to take a time out. I'm not sure if running both pumps would help or even if it's a good idea.
 

rknight111

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Looking for information on upgrading a mcx 240 nytro to 270hp
anyone have pictures or source to locate the plumbing/ routing etc. Tried searching forums and mcx website w no luck.
I just sent my mcx ecu to Prince George Yamaha for 270 remap.
I have a high flow external spare pump from my past mcx 310 apex
I will have to pick up a fuel regulator still.
Apreciate any info, thanks

Where are you located. Darren B at E&S motorcycles in fort saskatchewan is very well versed with the mcx turbos on yamaha’s.
 
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