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Old 02-12-2020, 06:58 PM   #2
cgtech
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Yamaha
 
Join Date: Jun 2012
Location: AZ
Posts: 17,449
Default Re: G1 Gas Ratio & Oil Pump

I would leave the pump in place, but cap off the port at the carb. The factory oil injection was a "variable ratio" type, with ratio range of 50:1 to 150:1. All "what ratio should I use?" All answers are all based only on opinion, and yamaha gives no answer for this. I would likely go with 80:1 myself. I do think mixing your own is an ok idea, and I'm not personally a fan of automatic oiling myself (having seen so many "auto oilers" fail when I worked on boats).
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