Posted May 19, 201213 yr Hi! I have TDR 125 2000 and I want to derestrict it. I know for the exaust and inlet manifold restrictions but there is an one electric restriction which retarts revs when they reach 8k. I heard that there is one wire which needs to be grounded, but I can't find it. Can anyone please help! Thanks!
May 19, 201213 yr Just found a Yamaha Service Bulletin ref TDR125 Engine Power Modification which mentions about turning the powervalve anti-clockwise until the dot aligns with the lower edge of the allen bolts and also removing the Black/Blue open ended wire from main wiring harness and to fit a ring terminal to black/blue wire and earth to regulator/rectifier mounting bolt. Hope this helps. Tony
May 20, 201213 yr Author I will try this thing with power valve tommorow. Can I found that wire, without removing the fuel tank, because yesterday i filled it up to the end, so or I need to spend, all fule(which isn't big problem) or is there another way? Thaks, a lot!
May 21, 201213 yr The picture in the bulletin looks like it is under the tank. It looks like the Black/Blue wire is in the wires from the CDI unit just behind the block connector on the wiring harness side. Tony
May 21, 201213 yr Author Hi! Here is the pic, is my power valve, now: Sry, on bad quality. And this is image, how I understood you, that I need to done that:
May 27, 201213 yr Moderator Bump! That in some form usually what follows badly de restricting a motorcycle.
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