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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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Thread Tools | Display Modes |
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#1
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needle uk
Can anybody tell me the difference between N1EF needle and NEDJ im looking for clean smooth power delivery. many thanks.
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#2
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Hi Nick, if smooth power delivery is what you're after then i think the Suzuki needles are for you! They have a longer straight section and more progressive first taper, so leans the bottom end nicely.
I originally had N1EG (AS1, 35PJ, 178M, 2nd clip from top, UK climate 0-1000ft) in mine and have now replaced with NEDJ. Originally it was very rich and burbly up to about 1/4 throttle and not nice to ride down there. Now it has cleaned up a lot at these low throttle openings, although its still a work in progress with room for more improvement (currently 42PJ, 182M, middle clip). I know the main can be dropped, but having just got into this jetting game i wanted to play it on the safe side! Seems to run ok up top considering. I think a smaller main may even give a slight benefit at the lower throttle openings also - also need to assess airscrew effects up to 1/8 throttle. The suzuki needles are a vast imrpovement over stock ones, so go for it. I ordered mine through the local suzuki dealer and it arrived next day, all for just over a tenner Quick search on google, and partno. for NEDJ is 13383-37FM0. Im no jetting expert but certainly noticed a big benfit from this mod. Ad
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07 EC300 VTR SP1 VFR 400 |
#3
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needle uk
Latest update, Nedj needle,175 main, 42 pilot problem being air screw turned almost all way in, so going to try 45 pj to enable me to get air screw to 1.5 turns out approx., does this sound about right. many thanks.
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#4
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What bike/carb (AS1/AS2/36/38mm) etc have you got?
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07 EC300 VTR SP1 VFR 400 |
#5
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needle uk
2013 gasgas 250ec, as1 ,Nedj needle, 2nd groove, 45pj (now) ,175mj still not 100% happy but only with the tickover still hangs a little before it settles, any ideas anyone. thanks.
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#6
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Check your throttle free play, you could have the slide off the deck, it only takes a couple of mm to lean out the pilot circuit.
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Oz Current. 2015 ec300r estart, 98 RM 125 2013 Ec300r 2011 Ec300e 2009 Husky TE310 1982 XR500 Honda 1981 KE100 Kawasaki 1978 GT80 Yamaha |
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