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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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#1
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04 ec 300 Jetting
First let me start by saying I am a total NEWB.
Ive only been riding a handful of times and motorcycles in general are new to me. So far I love it, and the gasgas is great!!! I posted in the engine thread that I am having cold start issues and am wondering if maybe some jetting work needs to be done. I think the previous ownder may have done some playing around with it but I have no idea what was done. Tonight I will be pulling the carb off to give it a good clean and will post here what is in there are far as jets and slide etc... Do these parts litterally have the size stamped into them? What are some baselines I should be looking for to ease starting, give a smooth powerband without too much of a hit be? Also ive never messed with any of the screws.... Which one is idle and which is air? Which direction to turn to make adjustments go in which direction? Will adjusting either help with starting? Right now when I pull my plug its wet and dark brown or almost black so I guess this is too rich and I need to lean it out a bit. Some Random Info 04 ec 300 FMF Fatty Turbine Core 2 Southern California Desert Trail Riding Mainly with Small Hills, Sand, Rocks etc... Elevations - Average Around 3000ft Johnson Valley - 2300 - 4600 elevation El Mirage Dry Lake - 2800 - 3800 elevation Temperature Extremes - Winter Teens Summer Over 100 |
#2
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Updated...
N1EF Needle set to second spot from the top of the carb 170 Main 40 Pilot 7 slide Now another question regarding the pilot. There is a center hole where the flat head screw driver goes. That should go straight through correct? When I hold it to the light I cannot see through it so this leads me to believe its clogged? I also noticed at the bottom edges of the pilot jet there are small holes around the jet, I can see light through those. Right now I have the pilot soaking in carb cleaner. Hopefully tomorrow I will be able to see through it. Any ideas on where else to go from here? Keeping in mind my elevations for riding and riding style. I also forgot to mention that I run a 32:1 mix. |
#3
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Go crazy with the compressed air then go from there.
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#4
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Quote:
I think 32:1 is too much oil for modern high quality synthetics. GG recommend 50:1 - it'll run cleaner. Many use 40:1 because they consider it wears less and produces more power. I run 50:1 without issue. |
#5
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Is the pilot jet drilled straight through and cross drilled?
The slid that you put a screwdriver into to remove and install the jet has a hole right in the center of the jet, on the other end there is a corresponding hole but I cannot see light straight through. I know this is no comparrison but my boys pw50 had a clogged pilot jet and you could see straight though that one. This leads me to believe that it may be clogged. I have it soaking in carb cleaner right now and I will be blowing it out tonight when I get home to see if it opens up. Im hoping this was my issue. The bike did start much easier before. I am also going to clean the plug and try again. I will also buy new ones in case that doesnt work. Any more tips are greatly appreciated. |
#6
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Looks like my pilot was clogged. I got home and took a quick look and could see some light. Took some air, carb cleaner, and a small wire and bingo I can now see a small pin hole through the jet.
I put everything back together but decided to clean the air filter and and it fell apart in my hands, so I wont be starting it until I find a replacement. |
#7
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Quote:
You can start it without the air filter in a clean environment but a bad idea otherwise, certainly never ride it. It wont run right without it though. |
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