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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
New guy, another single carb conversion.
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<blockquote data-quote="joedrum" data-source="post: 190147" data-attributes="member: 98"><p>hmmmmm well the first thing id do is close down the air bleed on the main secondary tube ...this will bring more gas to the secondary...and it seems you are lean some ....if i remember right ..the air bleed there is huge like 210 or something ...this is huge ...mine is cut way back and the gas jetting is way up there in size compared to stock carb jetting ...but that means nothing on your bike ....there is also a throttle plate setting for the secondary ...this is found on the bottom of the carb and is pinched to keep one from adjusting it ...well i worked with mine till i could adjust it ...the idle circuit works almost exactly like primary does .... when you adjust this plate you can add air to the idle gas charge ..the secondary idle jet does contribute to idle ..if you open the plate to much idle will rise up to high ..i like to get this actually working and i can fell it ...so that between the mix screw and the two throttle plate settings one should get a good idle ...my carb has many mods to it .....so it not comparable but im guessing......i think you can go up on the secondary main gas jetting ...dialing in the dft carb is challenging but there is a huge pay off once you get it right ...sheesh the accelerator pump gives a shot here also in the primary barrel when secondary comes in also ..so primary does get a boost in going to secondary ...just have to dive in and see what works best on your bike ...</p></blockquote><p></p>
[QUOTE="joedrum, post: 190147, member: 98"] hmmmmm well the first thing id do is close down the air bleed on the main secondary tube ...this will bring more gas to the secondary...and it seems you are lean some ....if i remember right ..the air bleed there is huge like 210 or something ...this is huge ...mine is cut way back and the gas jetting is way up there in size compared to stock carb jetting ...but that means nothing on your bike ....there is also a throttle plate setting for the secondary ...this is found on the bottom of the carb and is pinched to keep one from adjusting it ...well i worked with mine till i could adjust it ...the idle circuit works almost exactly like primary does .... when you adjust this plate you can add air to the idle gas charge ..the secondary idle jet does contribute to idle ..if you open the plate to much idle will rise up to high ..i like to get this actually working and i can fell it ...so that between the mix screw and the two throttle plate settings one should get a good idle ...my carb has many mods to it .....so it not comparable but im guessing......i think you can go up on the secondary main gas jetting ...dialing in the dft carb is challenging but there is a huge pay off once you get it right ...sheesh the accelerator pump gives a shot here also in the primary barrel when secondary comes in also ..so primary does get a boost in going to secondary ...just have to dive in and see what works best on your bike ... [/QUOTE]
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
New guy, another single carb conversion.
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