Yamaha Zuma

Gene563 · 07-10-2018, 02:25 AM

Welcome to the forum, Terry.
I don't know anything about the Zuma, but...
Is the 2 Brothers pipe a performance exhaust.? Perhaps the EFI can't keep up with it at speed ... on a carbureted bike, you could re-jet.
Maybe try a stock pipe and compare.?

sc00ter · 07-11-2018, 12:08 PM

Try resetting the ECU as per the owners manual process. Every time I dug into my Zuma 125 I had to reset the ECU afterwards. A friend has a Zuma 50 4 stroke and I think he has a Two Brothers on his. Runs fine but didnt really bring on much more power. He bought it more for the tone and looks.

07-11-2018, 12:08 PM	#2
sc00ter Join Date: May 2017 Location: Norfolk, VA Posts: 531	Try resetting the ECU as per the owners manual process. Every time I dug into my Zuma 125 I had to reset the ECU afterwards. A friend has a Zuma 50 4 stroke and I think he has a Two Brothers on his. Runs fine but didnt really bring on much more power. He bought it more for the tone and looks.
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