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2019 300 EVO; what to look for


honda65
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Hi, I'm new to the sport, like really really new. Long time motocrosser, good solid 40+ expert rider (almost 60 actually) but a complete and utter spode on this thing. And by this thing I mean a 2019 300 EVO I picked up on a whim this summer. I'm a bit heavy at the moment (225) and installed stiffer springs and adjusted my handlebars a bit further forward. I plan to dump the break in gas (40:1) and use the recommended ratio. Right now it both pings and burbles and blows lots of smoke. Basically I'm wondering what things I should look for, things that break or need modification. Good hop ups, jetting specs, etc.  Basic stuff. Any input would help

Thanks

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Hey thanks for the replys, been away from the computer. Yes I know the 40:1 needs to go. Manual says 60:1 but I thought some else also told me 80:1 which I have no problem doing. I was planning on trying the mix before jetting but it definitely pings off the bottom so I might look at the 48 pilot.

As for oil, I prefer Crisco

  • Haha 1
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Partial to sesame oil myself but that’s a different application. Beta’s are notorious octane pigs. If you want it to run properly feed it the good stuff. You can also get a low compression head which reduces the octane requirement somewhat and makes the 300 a little less hyper though it will occasionally remember it’s still a 300 and surprise you if you’re not careful with the noisy grip.

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