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Up north rider

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About Up north rider

  • Birthday 06/18/1996

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  • Gender
    Male
  • Location
    Calumet, MI
  • Interests
    BBWR

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  • My Banshee (optional)
    1994 421 assassin, cpi inframes, 28 pwk, cfm airbox with uni pods, vforce 4 reeds trinity manifolds,24 cc domes, 5 degrees timing,

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  1. Thanks for the input. I currently have a fairly new set of kenda kutters. So far I like them, but Im always looking for tires that people seem to like! The kenda klaws and cst pulse seem to be popular choices.
  2. They make a few different ones. What ones worked good for you?
  3. By razr looking tires, do you mean xc master, k9 classic, etc.. ?
  4. Whoever wants to give their two cents on what tires they think are the best tires, specifically for the banshee, would be awesome. Grip is the main objective. I know this has been discussed on here, but the threads are quite old. There is a lot of new tires on the market since 2005 lol. Plus, tires are a fun topic anyway!
  5. After talking to driveline, I bought 23cc domes and it made such a huge difference! The cranking psi is now 140(cold). I know I should check it again warm just to make sure it’s not too high but I’m sure it’s pretty safe yet. I didn’t confirm the squish clearance yet either. .051-.055 is the green zone correct? Anyway I thought I’d say it’s running fantastic. I had no idea it would be such a drastic change. The cpi pipes that I have on there (I hate to admit it) kind of sucked for playing around and trail riding but now it seems to have way more mid torque. They almost feel like my old t5’s did but in addition to a lot more top end as well. I haven’t touched the jets yet but we’ll see. The thing rips!
  6. So correct me if I’m wrong. Uccr means uncorrected compression ratio?
  7. I’m wondering if I would gain any power from switching from my 24cc to 23 or 22cc domes on my 421 assassin. I don’t plan on running anything higher than pump gas. My cranking psi when I built the motor was around 120. Elevation I ride Is 600-1200 ft.
  8. I made a jumper and did the test. I made sure it was running bad and plugged in the other cdi. Right away it ran great. I confirmed it by replacing it with my old one again. Cdi was the problem. Thanks
  9. If I make a jumper. What do I do with the fifth wire on the cdi on the newer style plug? My old style plug only has four and four on each plug. The new style is four and five.
  10. What do you guys think is wrong with this bike? I have a low rpm miss. It is not throttle position related. It will miss and stutter until it gets on pipe. You have to really work it to get it on pipe as well with the throttle and downshifting. It is also intermittent. It will run perfect for a bit and then it seems as it warms up you’ll hear a mis here and there until it completely misses for about the first half of the rpm range. So far things I have checked are: carbs cleaned (I think 5 times) I also swapped to stock carbs just in case and it still reacted the same even considering the jetting is probably off a decent bit swapped reeds to good working stock one’s I tested the ignition coil/caps. They were good. Just for kicks I swapped ignition coil/wires/caps from another good running machine with the same results I have a brand new OEM stator that I did verify is good with the multimeter and pick up coil gap is set to .020 I have a brand new OEM flywheel that has zero rattle Wiring harness is south Texas banshee looks good and well Leak down test showed Zero drop in pressure for the whole duration of the test (over 13 minutes) compression test showed 124 and 125 psi pipes have good tight oring seals The kill switch and key ignition are ruled out. (not that it would help just desperate lol) The Cdi is really my last thing It could be. My brothers banshees are new style plugs and mine are round old style. So I haven’t tried the swap. After the flywheel and stater setting me back over a 1k I’m hesitant to jump on a new cdi. Although my flywheel was bad so it wasn’t a total loss there. Any advice would be much appreciated!
  11. Well I did the compression test wrong. I didn’t have the throttle open all the way. 126 and 123. I think my fear that I melted it down was misplaced. As you can probably see by now I’m frustrated with this tuning! I feel like I can blow some steam off by telling other people my problems! Sorry haha
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