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Post by lykos23 on Jun 26, 2013 15:50:50 GMT -5
So today I FINALLY got my UNI filter! So I drove a few miles WOT (even though I know I shouldn't) and cut the killswitch and pulled into my drive way; essentially the whole plug chop process, with a BRAND NEW spark plug and freshly changed 92 jet. And this is what I got:  It doesn't look quite as white as last time, but it's definitely still white. Gonna try #  next... |
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Still Lean?
by: scootnwinn - Jun 26, 2013 16:02:15 GMT -5
Post by scootnwinn on Jun 26, 2013 16:02:15 GMT -5
Hard to tell in pictures but that looks ok to me it's got a little tannish thing happening on the end there. Some discoloration of the end of the threads... If you have the other one try it. Filter is oiled right?
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Post by lykos23 on Jun 26, 2013 16:06:15 GMT -5
[replyingto=scootnwinn]scootnwinn[/replyingto]Filter is very well oiled, mostly thanks to your advice. I thought the ghost white tip is what I was focusing on? Is it fine, or do I need that ? 'cause I hear too rich isn't bad, but I am confused if I really need a bigger jet because Millsc uses a 92 and he has a 150cc carb with a bigger head, and the same UNI filter. I guess every scooter is different though. ;D |
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Still Lean?
by: scootnwinn - Jun 26, 2013 16:11:37 GMT -5
Post by scootnwinn on Jun 26, 2013 16:11:37 GMT -5
Try the bigger jet. It probably takes you about 2 minutes to pop that in by now right? A little rich is better. Too rich is as bad as too lean... Is your needle adjustable? Try raising it (by lowering the c-clip) If he has an adjustable needle in the richest position and yours is in the leanest... Of course theoretically you are only looking at the full throttle but...
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Post by lykos23 on Jun 26, 2013 16:15:10 GMT -5
[replyingto=scootnwinn]scootnwinn[/replyingto]Gonna take me about two hours this time, but that's only cause the bike is hot (REALLY hot). ;D After that it does only take me a few minutes to take out the carb and re-jet. While I'm at it I'll check that needle. The thing that takes the longest is re-adjusting the idle because of the ride I have to take in order to disengage the "choke"... I'll try the and if it's too rich I'll just go back to the 92. Thanks for checkin' up on me, Rob.  |
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Post by millsc on Jun 26, 2013 16:21:48 GMT -5
Im running a 20mm carb and stock head now with a 92 jet
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Post by lykos23 on Jun 26, 2013 16:26:01 GMT -5
[replyingto=millsc]millsc[/replyingto]  Ooooh. |
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Post by millsc on Jun 26, 2013 16:26:13 GMT -5
I have a in my black galaxy with 19mm carb and airsal 50mm kit and uni |
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Post by lykos23 on Jun 26, 2013 16:38:45 GMT -5
[replyingto=millsc]millsc[/replyingto]Okay, it's all starting to make sense now. Every scooter is not only different, but dramatically different!
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Post by lykos23 on Jun 26, 2013 17:46:49 GMT -5
 Now the base has no coloration at all and the tip is still ghost white. This is with another BRAND NEW spark plug and a # jet. Do I need to try #98  By the way: My needle does appear to be adjustable, but I'm not experiencing any symptoms anymore. I hit a top speed of 58mph going downhill  EDIT: Upon closer inspection, the spark plug seems to have a very slight brown tint. I think I am getting closer. |
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Still Lean?
by: jerseyboy - Jun 26, 2013 17:49:57 GMT -5
Post by jerseyboy on Jun 26, 2013 17:49:57 GMT -5
[replyingto=lykos23]lykos23[/replyingto]It would be best to do a chop when the engine is under a normal load,,downhill may give you a false reading,,JMO.
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Post by lykos23 on Jun 26, 2013 17:55:36 GMT -5
[replyingto=jerseyboy]jerseyboy[/replyingto]There's no avoiding hills if I need to go WOT, sadly. The big hill where I almost hit 60 on was on the way home from warming up the engine with a few mile run. There's only a very small incline on the way back where I hit the kill switch and it ends about a block before I hit the killswitch to pull into my driveway.
Thanks for the tip though, I'll keep that in mind.
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Still Lean?
by: devo344a - Jun 26, 2013 18:45:56 GMT -5
Post by devo344a on Jun 26, 2013 18:45:56 GMT -5
I just took my jet and drilled it out till I ran fine and wasnt lean
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Post by lykos23 on Jun 26, 2013 18:49:39 GMT -5
[replyingto=devo344a]devo344a[/replyingto]Drilling them out would be nice to do, but I already paid a bunch for a fist full of jets. I got 80-98, 98 is my biggest jet and I might have to test that in a little bit when my engine cools. It's a brand new intake manifold so I highly doubt there's a leak, and it's a brand new UNI filter with plenty of oil on it. I just have to figure out if I'm still running lean or not, which it looks like I am because the tip of the sparkplug is still very white with only a slight hint of brown. Though, I'm not sure if I'm really running lean still because I'm not experiencing any of the symptoms of running lean. I got full responsive throttle with no backfiring or popping. All I'm worried about is burning my engine up. Do you know what size jet you ended up with? |
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Post by millsc on Jun 26, 2013 19:20:56 GMT -5
Leave the shouldn't have to go over that, I think the hipro coil causes the plug to burn hotter which makes it whiter |
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