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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: 171694" data-attributes="member: 1656"><p>Hey all, </p><p></p><p>I wanted to see if I could get some folks to chime and so I can get this bike tuned. The bike in question is my xl125 with the xr200 motor. I'm experiencing something I cannot seem to tune out. </p><p></p><p>Overall, the jetting seems pretty spot on. Starts easy, idles clean without missing, and revs out clean. Throttle response from top to bottom is pretty seamless except off idle. When pulling out from a stop the engine wants to die. Just that tiny turn of the throttle to get started. Once you pass that everything is perfect across the range. As a matter of fact, once the bike is warmed all the way up, you really have to be careful or it will stall. </p><p></p><p>So, not sure what to try. I've already tried leaning the pilot jet and it made it hard to start and made the idle a little rough. I have moved the needle richer, but didn't notice anything different. I'm going to try and move the needle to the leanest setting and see if that corrects it. </p><p></p><p>Any other thoughts? On this bike, I could also try advancing or retarding the timing...worth a try there?</p></blockquote><p></p>
[QUOTE="fatcaaat, post: 171694, member: 1656"] Hey all, I wanted to see if I could get some folks to chime and so I can get this bike tuned. The bike in question is my xl125 with the xr200 motor. I'm experiencing something I cannot seem to tune out. Overall, the jetting seems pretty spot on. Starts easy, idles clean without missing, and revs out clean. Throttle response from top to bottom is pretty seamless except off idle. When pulling out from a stop the engine wants to die. Just that tiny turn of the throttle to get started. Once you pass that everything is perfect across the range. As a matter of fact, once the bike is warmed all the way up, you really have to be careful or it will stall. So, not sure what to try. I've already tried leaning the pilot jet and it made it hard to start and made the idle a little rough. I have moved the needle richer, but didn't notice anything different. I'm going to try and move the needle to the leanest setting and see if that corrects it. Any other thoughts? On this bike, I could also try advancing or retarding the timing...worth a try there? [/QUOTE]
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General Minitrail Talk
Tech Area
tuning challenge - off throttle issues
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