Phil_1471
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| posted on 14/3/16 at 07:55 PM |
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R1 won't Rev 4xv
Evening all!
I have had carbs off and cleaned them out and put on a 'sausage' filter previously running standard airbox with K&N filter.
Won't Rev past 7-8k now, can anybody let me know jet size, needle clip settings and mixture screw turns? A rough idea will help me get it
running well enough to then have it rolling roaded.
Thanks in advance
Phil
You can live in a car but can't rally a house
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CosKev3
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| posted on 14/3/16 at 08:23 PM |
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Have you blocked off the 'air corrector',and one of the holes in each slide?
I've got 145 main jets in mine,but that is also with a worked head and a different exhaust manifold.
[Edited on 14/3/16 by CosKev3]
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Phil_1471
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| posted on 14/3/16 at 08:29 PM |
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Nope, why does these seem to be a common thing to do? Im running standard manifold that has been shortened and a small can on road and a larger for
track (keep noise down)
You can live in a car but can't rally a house
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Phil_1471
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| posted on 14/3/16 at 09:00 PM |
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Forgive my carb ignorance
https://www.ebay.co.uk/ulk/itm/271325913913 These are the ones I need?
You can live in a car but can't rally a house
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CosKev3
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| posted on 14/3/16 at 09:45 PM |
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Not really sure why people mod them for car fitment,but it's done by people such as TTS etc.
I think blanking off one hole in the slides causes them to open slower,and blocking the air corrector stops it leaning out at high revs.
Yeah those jets are correct,but you might need a few different sizes ready to get it bang on once on rollers
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Phil_1471
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| posted on 15/3/16 at 06:29 PM |
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Thanks mate, I will order up some 145's and see what it's like. Do you know what's in there standard? Did you do anything with the
needles?
You can live in a car but can't rally a house
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CosKev3
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| posted on 15/3/16 at 08:17 PM |
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IIRC standards are 126.
Not entirely sure what needles are in mine,as I had a selection in a jet kit when I bought the carbs.
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Phil_1471
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| posted on 15/3/16 at 08:32 PM |
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What jet kit was it?
You can live in a car but can't rally a house
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CosKev3
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| posted on 16/3/16 at 08:13 AM |
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98-01 Yamaha R1 Factory Pro Carburetor Jet Kit 1.0
I don't think it's worth buying though,as plenty of people use the standard needles,just lift them.
Also the jets in that kit were not big enough for what I needed.
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Phil_1471
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| posted on 16/3/16 at 02:50 PM |
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Legend thanks for the info, will order up some 145's and see how I get on then :-)
You can live in a car but can't rally a house
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Graham_gib
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| posted on 15/2/17 at 09:17 AM |
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Hi phil
Did you manage to get a solution
Thanks
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Phil_1471
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| posted on 15/2/17 at 05:38 PM |
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Replied to your u2u
You can live in a car but can't rally a house
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