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Everything Dirt Bike
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Honda
Calling all 2t jetting guru's
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<blockquote data-quote="Rivethead242" data-source="post: 70318" data-attributes="member: 549"><p>Ok, so getting the bike ready for LPNF coming up in a few weeks.... particularly jetting issues as last time she was running a bit rough at such high elevation. Before I get started it would help if you knew the bike. 1995 CR250R with FMF Fatty Pipe, and FMF Turbine Exhaust. I was having jetting issues when I first picked up the bike (same pipe, different exhaust), she was running too lean (spark plug test, white) and dying in high RPM's. Unfortunately I do not recall what jetting I had in there.....I was still new to turning a wrench, and wasn't aware of the forum world. After picking up a handful of jets and testing em till the spark plug wasn't white anymore. She is currently running a 55slow jet and 185main jet, and doesn't seem to have any issues at sea level (non that I can recognize anyway). Needle is on the 3rd click (which corresponds with the manual as well) which is correct up till 7500ft. The manual calls for a 52slow and 175main for sea leavel. I find myself riding more in the 2500-5000ft range these days which calls for 52slow and 170main. However, knowing my numbers are currently off what do you guys suggest I do. Obviously I need to bump down both jets. FWIW I have checked the reed valves as well which have no "goop" on them, and no chips. Who wants to help save me some time and nail it right the first time!?</p><p></p><p>Also, I keep having a leaky carb. I've replaced float chamber gasket and reed valve gasket. Both the the air side and reed side rubber boots are snug. Nothing I have done has made any difference with my leak. Where else could it be leaking from!?</p><p></p><p>Please school this rookie!</p></blockquote><p></p>
[QUOTE="Rivethead242, post: 70318, member: 549"] Ok, so getting the bike ready for LPNF coming up in a few weeks.... particularly jetting issues as last time she was running a bit rough at such high elevation. Before I get started it would help if you knew the bike. 1995 CR250R with FMF Fatty Pipe, and FMF Turbine Exhaust. I was having jetting issues when I first picked up the bike (same pipe, different exhaust), she was running too lean (spark plug test, white) and dying in high RPM's. Unfortunately I do not recall what jetting I had in there.....I was still new to turning a wrench, and wasn't aware of the forum world. After picking up a handful of jets and testing em till the spark plug wasn't white anymore. She is currently running a 55slow jet and 185main jet, and doesn't seem to have any issues at sea level (non that I can recognize anyway). Needle is on the 3rd click (which corresponds with the manual as well) which is correct up till 7500ft. The manual calls for a 52slow and 175main for sea leavel. I find myself riding more in the 2500-5000ft range these days which calls for 52slow and 170main. However, knowing my numbers are currently off what do you guys suggest I do. Obviously I need to bump down both jets. FWIW I have checked the reed valves as well which have no "goop" on them, and no chips. Who wants to help save me some time and nail it right the first time!? Also, I keep having a leaky carb. I've replaced float chamber gasket and reed valve gasket. Both the the air side and reed side rubber boots are snug. Nothing I have done has made any difference with my leak. Where else could it be leaking from!? Please school this rookie! [/QUOTE]
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Calling all 2t jetting guru's
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