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Post by scott on Apr 22, 2006 21:49:46 GMT 1
the lc i bought was a 250,but is a 350 frame and bottom end with 250 barrels  .gathered the stuff to make a 350 but someone told me the carbs won't work.i thought it was just a case of changing the jets  .the carbs are stamped 4L1 with 00 underneath so they are definatly 250.can i use 31k or f1/f2 carbs?also av to check oil pump i suppose  |
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Post by pablo on Apr 22, 2006 22:05:22 GMT 1
 pretty sure any of those carbs will be fine mate...just a matter of getting the jetting sorted...dont know of any real differences...sure if there is someone will 'fess up' soon enough... ;D ;D ;D
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Post by scott on Apr 22, 2006 22:08:32 GMT 1
can i just change the jets in the 250 carbs? |
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Post by pablo on Apr 23, 2006 0:17:49 GMT 1
i cant see any difference...its the same body as far as i know...see what someone like norbo says coz he races a 250...
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hrc43
Weekend rider
Posts: 97
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Post by hrc43 on Apr 23, 2006 6:21:18 GMT 1
i've just converted a 250 to a 350 and used the same carbs just changed the jets  |
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Post by wiggy on Apr 23, 2006 9:34:11 GMT 1
the internal drillings are different on a 250 carb
they will work upjetted but not as good as proper 350 ones
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Post by wiggy on Apr 23, 2006 9:35:12 GMT 1
btw ive got a set of 31k carbs if you want to buy them |
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Post by scott on Apr 23, 2006 20:53:01 GMT 1
how much do u want for the carbs wiggy.do they include springs,sliders and needles,cheers
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Post by Norbo on Apr 24, 2006 9:33:42 GMT 1
Hi The emulshon tube is diferent and the needlw and some of the inner drillings and airways . They look the same from the out side but they are diferent . You can up jet them and the bike will run fine with them that way , but it will run better with any 350 set on LC or any YPVS.
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Post by scott on Apr 24, 2006 17:13:32 GMT 1
cheers once again chaps
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Post by wiggy on Apr 24, 2006 18:06:19 GMT 1
scott you have pm |
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.gathered the stuff to make a 350 but someone told me the carbs won't work.i thought it was just a case of changing the jets 
.the carbs are stamped 4L1 with 00 underneath so they are definatly 250.can i use 31k or f1/f2 carbs?also av to check oil pump i suppose 
pretty sure any of those carbs will be fine mate...just a matter of getting the jetting sorted...dont know of any real differences...sure if there is someone will 'fess up' soon enough... ;D ;D ;D
