taco eater :
colby ainsworth from Elk Grove, CA United States
The only downside I have noticed so far is that the 210 mounting plate adapter did not fit exactly to the holes on the case. I had to take a chainsaw file (round file) to one of the holes to move it over and reprofile the flush conical hole so that the flush machine screw would not touch the stator plate.
This is a minor issue for me. I already unsoldered the ground on the ligting coil and am wiring up 2 phase (full wave) to the rectifier, so I dont mind a small modification.
I will update once running!
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compatibility w/ 1980 QT50
April 18, 2023
taco eater :
Adam Rogers from versailles, KY United States
more a question than a review, is this package easily installed on an older QT50? since the 80's didn't come with voltage regulator instead feeding excess voltage back into the battery via SCR. It also lacks the extra control unit in later models that connected to ignition that had extra (faulty imo) key settings.(on, start, run?). mine only has off and on, plus the handlebar shutoff. I don't intend to put in a shittier ignition than the simpler one that works flawlessly. So, if anyone out there has any experience with this, outside of the page listing links to the same reviews. Any wisdom is appreciated.. Thanks Treatland Community!
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Ride all day with all mods & don't sweat the heat
September 21, 2019
taco eater :
J R R Rutherford from Columbus, OH United States
biggest advantage to this ignition system is the ability to dial in the timing and saying goodbye to soaring engine temps. In fact, I feel like I could ditch the temp gauge altogether. Complete review here - http://qt50.net/yamaha-qt50/hpi-ignition-install-and-setup/
looks great, but will update when running 
compatibility w/ 1980 QT50