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Post by lcowner on May 29, 2011 18:13:25 GMT 1
right chaps my 4lo is running cloggy at low revs but pulls like a train wen i get it going right up to powerband and beyond. carbs are standard apart from 260 mains as suggested by someone on here ,which is defo an inprovment from 220 std.i duno y i jumped from 220 to 260 in 1 go  std settings are: 350LC 4L0 Main jet 220 Air jet 0.8 Clip from top 3 Pilot jet 22.5 Air screw 1.5 turns out flote hight 1.0mm wen it says air screw 1.5 turns out wen i set mine to this it revs the nuts of itself on tickover and the only way i can get it to settle is screw it all the way out nearly?  ? . also i dunno wat the clip position is but shud i move it up or down to aid my problem at low revs? im running k +n style filters  microns with norbos cans oil pump on any suggestions appreciated  |
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Post by K.B on May 29, 2011 19:07:48 GMT 1
Try the needles in a diffrent position an do lots of plug chops .
It can take time an lots of test rides to get it right, It will run better with the standard airbox.
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Post by lcowner on May 29, 2011 19:16:15 GMT 1
Try the needles in a diffrent position an do lots of plug chops . It can take time an lots of test rides to get it right, It will run better with the standard airbox. thanx do i go up or down?? ,i mean up towards pointy bit of needle or down ;D |
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Post by 1260dave on May 29, 2011 19:36:00 GMT 1
what colour are the plugs on the jets you have in now
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Post by pepsisteve on May 29, 2011 20:00:30 GMT 1
i run 250 mains needle one clip down from top, 20 pilot jet air jet on 1 1/2 turns out, simular set up to yours apart from i have small can allspeeds. if you are having to unscrew the air jet that much something is wrong.
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Post by lcowner on May 29, 2011 21:08:00 GMT 1
i run 250 mains needle one clip down from top, 20 pilot jet air jet on 1 1/2 turns out, simular set up to yours apart from i have small can allspeeds. if you are having to unscrew the air jet that much something is wrong. right i'l mess around wth clip tomorrow,am i missing summit here we are talking about the screw with the spring on the side of the carb ???because if u have it fully in it will rise the slides up and giving same effect as giving it some throttle will it not ???r am i just being a complete idiot  |
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Post by lcowner on May 29, 2011 21:32:45 GMT 1
bump i need to know this to put me outa my misery  |
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Post by mellow on May 29, 2011 21:35:45 GMT 1
not the big screw with the spring....the other smaller one...does have a spring but its inside where the screw goes |
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Post by lcowner on May 29, 2011 21:38:23 GMT 1
not the big screw with the spring....the other smaller one...does have a spring but its inside where the screw goes silly me mells  ;D |
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Post by lcowner on May 30, 2011 11:29:29 GMT 1
bit of an update-played with air scew and it turns out that whoever was at it before me had the air screws turned about 5 turns out!so i set them to 1.5 turns out and took it for a blast and its definitly better.next on the agenda is to do a plug chop and then play with the clip position,will keep u all posted!!
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Post by lcowner on May 30, 2011 15:19:05 GMT 1
clip position was 4th from top so i moved it to 3rd(middle).took bike out for a good thrashing and the differece is great!it pulls awaythru the gears nice and plenty of power all the way thru the power band and beyond.has intention o doing a plug chop but i forgot my plug spanner:) maybe later!!!!thanx for ur help chaps only thing is that it is unreal on fuel consumption ,i suppose when i do go out on it i do give it a thrashing everytime which doeset help |
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stuboy
Drag-strip hero
Posts: 274
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Post by stuboy on May 30, 2011 17:56:11 GMT 1
Ill drop mine round and you can sort it out then |
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Post by lcowner on May 30, 2011 18:25:26 GMT 1
Ill drop mine round and you can sort it out then ive enuf of problems with my own,but seiusly really ud want a full day it making slight changes at a time to sort it ,if u pay for my flight and beer for weekend i'd do it no problem ;D |
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;D