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DeanoYZF

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  1. Thanks for coming back guys, I have the original downpipes (headers) but the end section is an ART carbon end can, and pipe, down to the underbelly original section. I was hoping many overtime have removed their seized EXUP valve, for either YZF750R or similar engine in other YAMAHA. I don't want to experiment with various jets, and float heights and keep putting back together to test, only to find again not running right. I am really looking for a done before this way or that, and have a final solution. It has been a long hard slog getting to this stage (a year) and while it is fun above 3,500 RPM. I would love it to be a little more user friendly.
  2. Hello all, I have an original 1993 YZF750R that had a seized exup valve. I removed this and servo, made up a small circuit board of resistors and diodes and plugged into ECU. Problem is, the bike now boggs down until 3,500 RPM, after this she flys all the way through to red line, but in this mode, likely to lose my licence very quickly. Any tips or ideas on how to get over the issue, and make it a user friendly bike across all RPM ? Thanks DeanoYZF
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