Jetting Athena 170kit dtr
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wrote on 15 Mar 2021, 20:39 last edited by waale2004
What jetting do you recommend on a Yamaha dtr 2003 model with Athena exhaust and stock mikuni carb. And 170 Athena big bore kit
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What jetting do you recommend on a Yamaha dtr 2003 model with Athena exhaust and stock mikuni carb. And 170 Athena big bore kit
wrote on 11 Apr 2021, 06:19 last edited by@waale2004 Best jetting for Athena 170 is 300 main jet on the
Mikuni tm28 but with the powerjet blocked off. Just cut the
rubber tube in half from the float chamber to the powerjet then block the 2 halves of the rubber tube with a couple of 5mm threaded bolts or similar.