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General Minitrail Talk
Tech Area
tuning challenge - off throttle issues
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<blockquote data-quote="fatcaaat" data-source="post: 171703" data-attributes="member: 1656"><p>Its super interesting when you consider the differences in jetting on similiar sized motors. My TRP176 Dax with all the fixings, 30mm intake, 25.5 exhaust, s25 cam, porting, etc...using a TM28 that one is jetted 17.5/200. And when I say it's dialed in, this one is dialed in more so than any other bike I have. However, recently spending some time jetting a yx195 with the superhead+r on it, and also one of the stock Daytona 190s with the same carb, the differences are vast. I think I ended up on the yx195 with a 27.5 pilot and 230 main and needed a really rich needle. It runs crazy good now, but that's where we ended. The Daytona also runs a 27.5 pilot and a 210 main. </p><p></p><p>I did run out to the garage and swap in the stock needle. It took me about 10 seconds to realize that things were much better as soon as I kicked it. I was able to adjust the idle quickly, and it rev'd nice and clean. Obviously I'm going to have to heat it up before I really start messing with it, but things are already promising. We may end up having to rejet the main...who knows?</p></blockquote><p></p>
[QUOTE="fatcaaat, post: 171703, member: 1656"] Its super interesting when you consider the differences in jetting on similiar sized motors. My TRP176 Dax with all the fixings, 30mm intake, 25.5 exhaust, s25 cam, porting, etc...using a TM28 that one is jetted 17.5/200. And when I say it's dialed in, this one is dialed in more so than any other bike I have. However, recently spending some time jetting a yx195 with the superhead+r on it, and also one of the stock Daytona 190s with the same carb, the differences are vast. I think I ended up on the yx195 with a 27.5 pilot and 230 main and needed a really rich needle. It runs crazy good now, but that's where we ended. The Daytona also runs a 27.5 pilot and a 210 main. I did run out to the garage and swap in the stock needle. It took me about 10 seconds to realize that things were much better as soon as I kicked it. I was able to adjust the idle quickly, and it rev'd nice and clean. Obviously I'm going to have to heat it up before I really start messing with it, but things are already promising. We may end up having to rejet the main...who knows? [/QUOTE]
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General Minitrail Talk
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tuning challenge - off throttle issues
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