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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="jackson409" data-source="post: 70358" data-attributes="member: 381"><p>You can go to the pipe manufactures website and they can get you close on what changes should be made from factory settings. Also you should always start with a fresh packing and good compression before you can get spot on with your jetting. Here is what FMF says you should be at but they and I always use 32:1 thats what factory calls for thats what I would run. You can"t fix jetting issues by changing your premix ratio.</p><p> </p><p>Tuned To Perfection</p><p>We know how difficult jetting can be sometimes, that's why when we test our exhausts we also adjust the jetting to see what works best. Sometimes stock jetting works fine, other times a slight adjustment is needed. Here is what we've come up for in our area and is a great starting point for you as well.</p><p>We developed these specs with a 32:1 fuel to oil mixing ratio of a 50/50 mix of race fuel and super unleaded, 0 - 1500 ft altitude at 70 degrees outside temperature.</p><p>Please note: There are way too many variables in jetting to give you a recommendation that works perfect. Use these specs for a reference to help aid you with your specific bike.</p><p>Make Your Selections </p><p>Make ----------- HONDA Model ----------- CR250R Year----------- 1995 </p><p>Jetting Results</p><p>Main Jet172 Pilot Jet55 NeedleR1369N Needle Position 3RD Air Screw1.5</p></blockquote><p></p>
[QUOTE="jackson409, post: 70358, member: 381"] You can go to the pipe manufactures website and they can get you close on what changes should be made from factory settings. Also you should always start with a fresh packing and good compression before you can get spot on with your jetting. Here is what FMF says you should be at but they and I always use 32:1 thats what factory calls for thats what I would run. You can"t fix jetting issues by changing your premix ratio. Tuned To Perfection We know how difficult jetting can be sometimes, that's why when we test our exhausts we also adjust the jetting to see what works best. Sometimes stock jetting works fine, other times a slight adjustment is needed. Here is what we've come up for in our area and is a great starting point for you as well. We developed these specs with a 32:1 fuel to oil mixing ratio of a 50/50 mix of race fuel and super unleaded, 0 - 1500 ft altitude at 70 degrees outside temperature. Please note: There are way too many variables in jetting to give you a recommendation that works perfect. Use these specs for a reference to help aid you with your specific bike. Make Your Selections Make ----------- HONDA Model ----------- CR250R Year----------- 1995 Jetting Results Main Jet172 Pilot Jet55 NeedleR1369N Needle Position 3RD Air Screw1.5 [/QUOTE]
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Everything Dirt Bike
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Honda
Calling all 2t jetting guru's
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