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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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#1
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Why is my bike going to rich
I have a GasGas 2013 300 racing and I lives in Sweden on sea level and today it was cold about 7C 44,6F.
My jetting is throttle 7 org low speed 35# main 172# needle N1EG clip 2 from top. But still it is running to rich see pictures. I am not so fast so I don't use 100% open throttle but I was running a fast sand track. Almost like a motocross track. It is also heavy on gas. About 1,5 liter 10km 6,7km/liter USA 15.8 Miles/Gallon In on hour ride I used 3.33Liter 0,88 Gallon This was after 1 1/2 hours run an on 2% oil = 50:1 What can I change?
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Cur GasGas GP 300-18, Prev GasGas EC 300 Racing-13, GasGas EC 300-10, GasGas EC 300-07 GasGas EC 300-05, GasGas EC 250-02,Suzuki RM250-98,Suzuki RM250-88, Honda CR250-86, Yamaha YZ400-79, Beta CR125-81, SWM 50-77, Italjet 50-76 www.dufvenberg.com /Larsa Last edited by Larsa; 10-17-2014 at 04:39 PM. |
#2
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Aside from the spooge on the pipe how does the bike run? Also what type of oil are you using? The jetting doesn't seem too bad
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#3
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Fully Synthetic 2-stroke motorcycle engine oil
The bike runs great.
CASTROL POWER 1 RACING 2T Specifications JASO FD ISO EGD API TC
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Cur GasGas GP 300-18, Prev GasGas EC 300 Racing-13, GasGas EC 300-10, GasGas EC 300-07 GasGas EC 300-05, GasGas EC 250-02,Suzuki RM250-98,Suzuki RM250-88, Honda CR250-86, Yamaha YZ400-79, Beta CR125-81, SWM 50-77, Italjet 50-76 www.dufvenberg.com /Larsa |
#4
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I think your spooge is caused by slow riding and not getting engine temperature hot enough to burn the oil off. I wouldn't worry about it.
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#5
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Looks good to me. Don't jet by spooge, jet by how the bike runs.
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#6
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OK I need to go faster.
How much gasoline das your bikes consumes.
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Cur GasGas GP 300-18, Prev GasGas EC 300 Racing-13, GasGas EC 300-10, GasGas EC 300-07 GasGas EC 300-05, GasGas EC 250-02,Suzuki RM250-98,Suzuki RM250-88, Honda CR250-86, Yamaha YZ400-79, Beta CR125-81, SWM 50-77, Italjet 50-76 www.dufvenberg.com /Larsa |
#7
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Your fuel consumption doesn't look to terribly bad. Fuel economy is based largely on how to ride. If you are constantly on and off the throttle you are going to use a lot of gas. Try being smooth on the throttle if you are trying to stretch fuel. Ride in a higher gear with lower rpms. Try to maintain a consistent rpm and avoid reving the bike up and down while riding
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#8
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I can stretch 70km on a tank of fuel in my 2005. Normal riding is around 60 km per tank. My bike holds 9.25 liters
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#9
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This track is a soft sand track almost like a motocross track. It is a lot of hard accelerations and wheel spin on the soft sand.
I know that this track will be heavy on fuel compare to standard enduro in the woods. But I trying to calculate how many pit stop I will need on 3-4 Hour race next week end. Etch lap is 20km 12.4 US Miles. Usual I will run two laps then fill gas and then 3 laps more on one tank. The race track next week is on extreme slippery limestone and deep sand woops. www.ggn.se https://www.youtube.com/watch?v=J9IVJfvBsjQ
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Cur GasGas GP 300-18, Prev GasGas EC 300 Racing-13, GasGas EC 300-10, GasGas EC 300-07 GasGas EC 300-05, GasGas EC 250-02,Suzuki RM250-98,Suzuki RM250-88, Honda CR250-86, Yamaha YZ400-79, Beta CR125-81, SWM 50-77, Italjet 50-76 www.dufvenberg.com /Larsa |
#10
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Throw the stock needle away. Go back to the stock 42 pilot, and slide in a Suzuki NEDJ/NEDW in the same clip you have the N1EG. You'll get much cleaner and crisper response off the bottom, improved economy, and similar mid to top end.
I'm getting an easy 95kms of mixed riding out of a tank, and usually more. |
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