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<blockquote data-quote="Mooney 78865" data-source="post: 32916" data-attributes="member: 175">I have a 300 XCW(e) with about 140 hours on it at the moment, but they are fairly similar bikes so here goes.The FMF is a good choice for the silencer.Pre mix I would use Motorex 2T full synthetic.&nbsp; Use the recommended ratio! My manual says 60:1, I run 60:1, period! Most other brands do not&nbsp; allow the ratio to be higher than 40:1, some 50:1, due to poor in solution mixing. You can find this on the oil containers.Jetting I would consult the manual, but from other sites this is what I see:Needle N8RH middle clip38 Pilot Jet168 Main JetAir Screw 1.5 to 2.5 turnsTwo strokes are not a mystery to set up correctly, but they are different than 4 strokes.Shoot me a PM if you like and I'll give you my phone number if you would like to chat at length.<img src="https://www.dirtbikeaddicts.com/static/images/smilies/wave.gif"&nbsp; class="smilie" loading="lazy" alt=":wave:" title="Wave&nbsp; &nbsp; :wave:" data-shortname=":wave:" /></blockquote>

[QUOTE="Mooney 78865, post: 32916, member: 175"] I have a 300 XCW(e) with about 140 hours on it at the moment, but they are fairly similar bikes so here goes. The FMF is a good choice for the silencer. Pre mix I would use Motorex 2T full synthetic. Use the recommended ratio! My [B][I][U]manual[/U][/I][/B] says 60:1, I run 60:1, period! Most other brands do not allow the ratio to be higher than 40:1, some 50:1, due to poor in solution mixing. You can find this on the oil containers. Jetting I would consult the manual, but from other sites this is what I see: Needle N8RH middle clip 38 Pilot Jet 168 Main Jet Air Screw 1.5 to 2.5 turns Two strokes are not a mystery to set up correctly, but they are different than 4 strokes. Shoot me a PM if you like and I'll give you my phone number if you would like to chat at length.:wave: [/QUOTE]

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