See if this helps, my journey with pods and pipe with the exact same carb's:
http://thegsresources.com/_forum/sho...ng+jetting+450
There is no Dynojet kit in the US for our carb's, but there is a European version that will work... except the local distributor here in Aus wanted $180 for it with a 6 to 8 week delay on shipping... I said forget it.
In summary, you won't need to go as drastically as I have due to not having free flowing pipes, but I've gone from 117.5 mains to 145's, and my needle is one notch richer than stock (I have adjustable needles). Stock pilot jets.
I haven't counted my mixture screws for a while as I've been fiddling with them to sort out some popping at idle but I'm going to guess at 3 to 3 1/2 turns at the moment.
If you look at the dyno chart in my thread above, you will see I was so rich at around 5K RPM that it went off the chart... that was with 150 main jets and I've leaned it out some since then...
http://thegsresources.com/_forum/sho...ng+jetting+450
There is no Dynojet kit in the US for our carb's, but there is a European version that will work... except the local distributor here in Aus wanted $180 for it with a 6 to 8 week delay on shipping... I said forget it.
In summary, you won't need to go as drastically as I have due to not having free flowing pipes, but I've gone from 117.5 mains to 145's, and my needle is one notch richer than stock (I have adjustable needles). Stock pilot jets.
I haven't counted my mixture screws for a while as I've been fiddling with them to sort out some popping at idle but I'm going to guess at 3 to 3 1/2 turns at the moment.
If you look at the dyno chart in my thread above, you will see I was so rich at around 5K RPM that it went off the chart... that was with 150 main jets and I've leaned it out some since then...
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