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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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#341
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Riding sand at the moment.
Temp was 12-15degs. MJ: 172 PJ: 42 Needle: NEDW clip #2 Having changed from 175mj to a 172mj made a massive difference, bike feels like it's got nitrous now in the top half of throttle. Also runs nice and clean. I have bought a Beta 200rr that will become the bush bike now so I can devote this Gasgas to wide open sand etc. |
#342
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Hello from France,
GasGas EC 250 converted to 300 - 2012 Main jet: 172 Pilot jet: 38 Needle: NECH Clip position: 1 from top airscrew: 1.75 turns out from seated Throttle valve/slide = #7 Gas: 98 octane gas Mix: 1.5% 100% synth?se oil Altitude: 300 to 1100 meters Modified original cylinder head, squish 1.3 to 1.7mm close to the center of the piston. RV is now 14,3:1 (13,2:1 stock) Stock exhaust |
#343
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Moved out to Arizona, took a while to get a good jetting setup here.
Bike: 1999 EC200. Original PWK 38 AS-I carb. Altitude: 2000-3000 feet (Phoenix area - New River, Wildcat, Mile Markers, etc.) Temperature: 50-90 F. Generally low humidity, even on cooler days. Main: 172 Pilot: 42 Needle: R1470M, 4th clip Slide: #7 air screw: 1.5 turns out Bike pulls clean and crisp off the bottom, though it's a little lean on overrun. I might try a 45 pilot and a little more air screw to clean things up on colder days. I'm running, pretty consistently, 1 step leaner settings out here than I was at sea level on the east coast. And that goes for every bike in my stable, not just the GG. The dry air and the elevation seem to make a difference. |
#344
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Bike year & model = 2013 EC300
Temperature (degF) = UK! Elevation (feet) = sealevel - 1000ft Main jet = 175 Pilot jet = 42 Needle & notch = N3CJ 04 CLIP 2 Air screw setting = 1.5 TURNS Throttle valve/slide = Results: Clean all the way through - approx 9 miles per litre of fuel |
#345
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Quote:
I was thinking the same setting for Sea level in UK. Is the setting good for WOT on mx tracks or stick with 175 main with NECH? |
#346
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GasGas EC 200 - 2012 Six Days
PWK38 ASII (2 bolt cap) Main jet: 168 Pilot jet: 35 Needle: N4DW Clip position: top clip (leanest) Slider: #7 airscrew: 1 turns out from seated Mix: 50:1 Motul Altitude: Sea level @ 20-25 C stock exhaust 9mm float height Crisp, easy to start, idles strong, Good 1/8 to 1/2 throttle usage (slow technical riding) Plug a nice brown with minimal to no spoog |
#347
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2011 EC 250e
Keihin 36mm (36 cast on cap) 168 Main 38 Pilot CGJ needle 2nd position with shim( didn?t notice that the first time I pulled it) Slide stamped 65 AS 1-1/8 Idle 7-3/4 600-2500 feet riding Hot and humid southern riding in summer Cool and damp in the winter
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Brad 2011 Ec250 1982 Land Rover Santana Ligero Last edited by Wbdisco; 03-21-2024 at 06:47 PM. |
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