96bansheepilot Posted April 18, 2006 Report Share Posted April 18, 2006 hey thanks for lookin at my thread. just needed some help w/ my jetting before i go riding tommorrow. i have a 96 banshee ported w/ stock carbs and just put cpi's on my bike. i used to run a 290 main w/ my fatty's and now jumped to a 330 and lowered my needle clip one position for the cpi's but.......when i took it out for the first time and nailed it, the midrange bogged. the low end and top end were fine. so i went to a 320 main and it got slightly better. so i took the needle back to stock( 3rd clip position) and it still bogs. it is the best it has ever been but it still does it. do you think i should go another notch on the needle to lean it out or go smaller on the main to a 310. the reason why i have a hard time w/ this is because on cpi's website, they recommend 320's and lower your clip one position.........ON A STOCK BIKE. why am i not running at least that on a ported bike?????????? please put your 2 cents in......thanks brothers...... Quote Link to comment Share on other sites More sharing options...
bansheeseat$$ Posted April 18, 2006 Report Share Posted April 18, 2006 Need a little more info,elevation and did you do a plug check at wot. Quote Link to comment Share on other sites More sharing options...
96bansheepilot Posted April 18, 2006 Author Report Share Posted April 18, 2006 at sea level and it is about 75-80 degrees out. have yet to check the plug at wot cause i have no where around my n'hood to let it all hang out for 5 seconds or so. just little short bursts in 2nd and 3rd gear for a second or two, don't want to bring the cops. i live in a nice quiet n'hood. will check it out soon though. just thought someone would give me another example of their shee w/ cpi's. thanks!!! Quote Link to comment Share on other sites More sharing options...
bansheeseat$$ Posted April 18, 2006 Report Share Posted April 18, 2006 I would leave the main were it is and move the needle again.If it's getting better sounds like your on track just make sure you check your plugs.On my banshees every time I've had a mid bog they have always been to lean not to rich. Quote Link to comment Share on other sites More sharing options...
96bansheepilot Posted April 18, 2006 Author Report Share Posted April 18, 2006 cool..i'll do it. i think the reason why my midrange has a slight bog is because i'm running the v-force 3's w/ out the insert, i have ported cyl's and i'm running cpi's. w/ all that said, that equates to a slower midrange air velocity as opposed to a combo like rad valves, fatty's and stock cyl's. the midrange power doesn't hit until about a 1000-1500 more rpm's than it did when i had the fatty's. i have absolutely no bottom end snap like i used to. i really have to get into the revs now. kind of annoying in a way. Quote Link to comment Share on other sites More sharing options...
rsheppick Posted April 18, 2006 Report Share Posted April 18, 2006 cool..i'll do it. i think the reason why my midrange has a slight bog is because i'm running the v-force 3's w/ out the insert, i have ported cyl's and i'm running cpi's. w/ all that said, that equates to a slower midrange air velocity as opposed to a combo like rad valves, fatty's and stock cyl's. the midrange power doesn't hit until about a 1000-1500 more rpm's than it did when i had the fatty's. i have absolutely no bottom end snap like i used to. i really have to get into the revs now. kind of annoying in a way. 503776[/snapback] You know why people buy CPI's right? I hope you weren't thinking you were buying a low-mid pipe it is a mid-high pipe. when I went from T5's to my CPI's I knew before hand to kiss my lowend bye bye. For me that is good because I only use it to drag race up the700 ft hills! Check the thread that sedrish made about jetting look at the chart. I agree with the needle and or taper of the needle . Quote Link to comment Share on other sites More sharing options...
Wicked98Shee Posted April 18, 2006 Report Share Posted April 18, 2006 the only way to be sure where your at is to do a plug chop, wot and mid chops will get ya on the right track to make'n her scream!!!! leave the needle in the 3rd clip till you get the mains right on, then tune your needle. Quote Link to comment Share on other sites More sharing options...
prichard9966 Posted April 18, 2006 Report Share Posted April 18, 2006 pull the needle all the way out of the hole and see what happens Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.