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Just bought my first Harley and am about to put true dual headers on, V&H slip ons, and SE stage 1 air cleaner (going open filter). I have been looking around the forms and am looking for a few suggestions. I am planning to get the premium tuning kit from CV Peformance for the mixture screw, better needle, idle adjustment screw and everything else - https://cv-performance.com/harley-ca...ium-tuners-kit
What I am wondering is what size main and pilot jets does everyone think I should be using? Should I follow the modifcation reccomendation of Night Rider such as the slide modifcation? - http://nightrider.com/biketech/hd_cv...tm#vacuum_port
I use the nightrider mods to good effect on a number of bikes.
there is no need to buy a "kit"- nightrider gives HD part numbers.
kawasaki and triumph also used the keihin CV carb and have jet and needles too
once you have a handful of parts- the tricky part is tuning- by being methodical and following the tips, you'll end up with a great running bike for $30
I replace the float bowl screws with allens which I could easily get off at the side of the road to swap jets and a little hand mirror
From what I have gathered, the Joe and Nightrider method are the same thing... Nightrider gives you options to use the 88 sporty needle or the oem needle with spacers, and then a few additional mods. It also seems that the deluxe tuning kit from CV Performance is a great buy as they have the 88 sporty needle, lighter slide spring, EZ-mixture screw, hex bolts, gasket, 1/8" bit, and if you choose the custom package you can specify the pilot/main jets. - https://cv-performance.com/cvp-harle...uxe-tuners-kit
So I am leaning towards the Joe/Nightrider method using the deluxe kit
Last edited by John E Heikkila; Jun 6, 2017 at 07:33 AM.
From what I have gathered, the Joe and Nightrider method are the same thing... Nightrider gives you options to use the 88 sporty needle or the oem needle with spacers, and then a few additional mods. It also seems that the deluxe tuning kit from CV Performance is a great buy as they have the 88 sporty needle, lighter slide spring, EZ-mixture screw, hex bolts, gasket, 1/8" bit, and if you choose the custom package you can specify the pilot/main jets. - https://cv-performance.com/cvp-harle...uxe-tuners-kit
So I am leaning towards the Joe/Nightrider method using the deluxe kit
Just to clarify, our CVP Deluxe kit does not include a 1/8" bit nor do we endorse drilling a slide with a bit that large. That method was shown to be inaccurate soon after it was published but nobody ever retracted it (information lives forever online). Instead our kit includes a smaller 7/64 bit which is the largest you should ever drill a slide for non-racing applications, and on brand new slides that have less burs we recommend no drilling at all when using our spring in the kit. The kits also use our specially developed needle that eliminates any trial and error tuning when using shims and a 88 XL needle.
Thank you for considering our kit and feel free to contact us through our site should you have any questions. I don't always get around to all of the forums so I may not always chime in or reply here.
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