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Post by lcowner on Nov 2, 2010 9:52:39 GMT 1
im running k + n stle filter(no airbox) chrome microns with norbo's ally cans.engine is on 1.5 oversize and standard.pre-mixing intank
what jets ect shud i be using-ball park?
sorry sillly question prob but on the mains jet how do i now wat in using at the momment is the size stamped on it?
cheers
lco
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jonno
Thrash Merchant
Posts: 352
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Post by jonno on Nov 2, 2010 20:13:05 GMT 1
Im assuming that you are using 4lo-01 carbs so standard main jet size is 220. For Microns you should be running 230 or 240 main jets. (Plug chop will confirm if running rich or weak at full throttle). The main jets will be stamped on the side of the hex head or on the end depending on make. I cant stress enough how important it is to use Mikuni jets as some jets are marked according to their maximum flow rate and some according to the diameter of the hole that the fuel passes through. So in practice, one manufacturers mark of 220 will not be the same as another's 220 when fitted. I believe this to be the problem experienced when fitting "Keyster" Jets to your carbs (That and the fact that i have had the heads of the main jets shear off when tightening them up leaving the threaded part stuck in the bottom of the needle jet).  Quality! Allens Performance Ltd in Nottingham can supply genuine Mikuni jets and float valves. (01949 836733) 4LO-01 Carb Jets (Standard jetting) Main Jets - Type 4/042 - size 220 Jet Needle - 5K1 Needle Jet - (345) P-2 Hope this helps. |
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Post by lcowner on Nov 2, 2010 22:18:47 GMT 1
do u have an email or website address  cheers m8 that helps a lot......  |
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Post by lcowner on Nov 2, 2010 22:22:24 GMT 1
just found it m8 cheers
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Post by mellow on Nov 2, 2010 23:22:38 GMT 1
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Post by lcowner on Nov 3, 2010 20:46:28 GMT 1
you will need to jet up further with the premix as well!!!! id go for 260's with premix.....better still fit the airbox!!! this has been proven to be the best way to run lc's the pods can cause set up problems....  oh no..... this shud be good ;D ;D |
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Post by lcowner on Nov 3, 2010 20:48:24 GMT 1
i feeling very tired all of a sudden ;D ;D ;D |
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Post by lcowner on Nov 3, 2010 20:49:06 GMT 1
thanx mellow will have read later,thanx gaz.........
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Post by johnlc on Nov 3, 2010 20:49:44 GMT 1
And if you want to keep pods then use ramair type foam ones
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Post by lcowner on Nov 3, 2010 20:53:47 GMT 1
yeah i was told a while ago by some 1 on here to ''get those silly stupid looking filters and throw them far far away''  |
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Post by lcowner on Nov 16, 2010 11:46:13 GMT 1
right im getting into this jetting craic ;D i have ordered 240 and 260 main jets off norbo,anyone know what position the clip should be in ??
also im running br8es plugs now ive heard they shud be b8es's?any idea anyone is there a big difference in these two plugs??
cheers
lcowner
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Post by mellow on Nov 16, 2010 17:00:39 GMT 1
dont quote me on this as im normally wrong  but i believe the "R" one denotes a resistor in it  |
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Post by lcowner on Nov 16, 2010 19:01:02 GMT 1
And if you want to keep pods then use ramair type foam ones yeah ,they have to go on the list ;D |
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Post by lcowner on Nov 17, 2010 12:40:40 GMT 1
can someone point me in the right directon as to what position i shud be putting the clip in??
cheers
lco
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Post by lcowner on Nov 17, 2010 18:37:47 GMT 1
you will need to jet up further with the premix as well!!!! id go for 260's with premix.....better still fit the airbox!!! this has been proven to be the best way to run lc's the pods can cause set up problems.... i put 260's in gaz as u sujjested so wait n see the next dry day ;D.when i give it a handfull even when cold its defo more responsive |
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Quality!
