Jetting Database - PLEASE ADD YOUR SETTINGS

[MattR]

Here is a summary of the Jetting Database:
Click Here --> http://www.gasgasrider.org/forum/showthread.php?t=3800

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How to enter your jetting data:
I thought it would be useful to start a GasGas jetting database. The goal is for people to just list what they are using (or have used). It will be important to follow a "common format" in order to allow quick comparison of data.

IMPORTANT:
It will be beneficial that users list only ONE bike setup per post. If you have several temperatures/conditions for the same bike, please list them in separate posts. Likewise, if you own multiple bikes, please list them in separate posts.

Also, please do not post questions in this thread. If you have a specific questions, start a separate thread so others can respond.

Database Format
{Copy & Paste the following lines in your post}

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Bike year & model =
Temperature (degF) =
Elevation (feet) =
Main jet =
Pilot jet =
Needle & notch =
Air screw setting =
Throttle valve/slide =

Results:
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Thanks!

 

[MattR]

Bike year & model = 2007 EC250
Temperature (degF) = 25-35 degF
Elevation (feet) = Sea level to 1000 ft
Main jet = 185
Pilot jet = 45
Needle & notch = LTR, #3 notch
Air screw setting = 1 turn out
Throttle valve/slide = #7

Results:
The throttle response was good from idle to 1/2 throttle (i.e., the pilot and needle clip were good). With the 180 main jet, I'm getting some hesitation around 1/2 to 3/4 throttle. I changed to a 185 main jet. This helped the upper range. I noticed the bike had hesistation around 1/4 to 1/2 throttle in rain mode. In sun mode, it felt better. Also, I use Amsoil Dominator at 40:1 mix with 94 octane fuel.

 

[widebear]

2003 MC250
Temperature (degF) = 40-85 degF
Elevation (feet) = Sea level to 5000 ft
Main jet = 172
Pilot jet = 35
Needle & notch = N3YF, #3 notch
Air screw setting = 1.5 turn out
Throttle valve/slide = #9
Amsoil 100-1
Results:
Throttle response is outstanding everywhere, very good idle and very good cold start properties as well.

 

[Loosenut]

Bike year & model = 2005 EC300
Temperature (degF) = 30 - 60
Elevation (feet) = sea level to 4000
Main jet = 172-175
Pilot jet = 42
Needle & notch = CCK #3
Air screw setting = 1.5 - 2
Throttle valve/slide = #7

Results: Bike has RB headwork. This jetting results in a smooth power taking advantage of the headwork and making the power smooth, yet ample. Prior to the headwork, I used the LTR needle,#3 clip position and the #8 slide.

 

[iancp5]

Bike year & model = EC300 2003
Temperature (degF) = 32 - 55
Elevation (feet) = 0 - 1000
Main jet = 180
Pilot jet = 42
Needle & notch = CCK #3
Air screw setting = 3
Throttle valve/slide = #7

Results:
Smooth

 

[GMP]

Bike year & model = 2007 EC250
Temperature (degF) = 45 - 65 degF
Elevation (feet) = Sea level to 1000 ft
Main jet = 182
Pilot jet = 48
Needle & notch = LTR"-0" #3
Air screw setting = 1.5 turns out
Throttle valve/slide = #7

Results:

Runs clean and strong, not much to complain about. Drop to 45 pilot in summer to clean up idle, thats it.

 

[GMP]

Bike year & model = 2007 EC250
Temperature (degF) = 45 - 65 degF
Elevation (feet) = Sea level to 1000 ft
Main jet = 182
Pilot jet = 48
Needle & notch = JD Blue #3 (from JDKH01 kit)
Air screw setting = 1.5 turns out
Throttle valve/slide = #7

Results:

Very much like the LTR -0 needle, perhaps a little crisper response off the bottom. Idles very clean. Drop to 45 pilot and adjust air screw in summer, thats it.

Note:
This bike is very tolerant to environmental changes and was very easy to dial in. Eaisest bike I ever jetted. Makes great power in both map settings with great milage.

 

[DWreck]

Bike year & model = 04 DE300
Temperature (degF) = 40-80 degF
Elevation (feet) = 900ft
Main jet = 178
Pilot jet =42
Needle & notch = 1369D 2nd clip
Air screw setting = 1.5 turns out (keep forgetting to play with-tiny bit rich)
Throttle valve/slide = #7

Results: Good idle, smooth controllable power, deceptively fast.

 

[eff]

Bike year & model = 2004 DE250
Temperature (degF) = 35 - 50 degF
Elevation (feet) = Sea level to 1000 ft
Main jet = 178
Pilot jet = 48
Needle & notch = LTR -0 #4
Air screw setting = 2-2.5 turns out
Throttle valve/slide = #7

Results:
Bike runs clean and smooth in colder weather. As the temperature warms above 50º I will move the clip to #3 and adjust the air screw as needed. Above 70º and I move the clip to #2.

 

[cladoo]

Bike year & model = '07 EC300
Temperature (degF) = 20c
Elevation (feet) = 3500'-6500'
Main jet = 165
Pilot jet = 40
Needle & notch = LTR -2
Air screw setting = 2
Throttle valve/slide = #7

Results: I run Amsoil Dominator @ 50:1 ,Iridium NGk plug, no other engine mods. It works great.

 

[GG27]

Bike year & model = '08 EC250
Temperature (degF) = 50-65
Elevation (feet) = 0-700'
Main jet = 178
Pilot jet = 42
Needle & notch = N1EG #2
Air screw setting = 2
Throttle valve/slide = #7

Results: I run DENICOL S2 @ 50:1 , no other engine mods. It idles nicely and pulls up front wheel in 2nd and 3rd when snapping the throttle. I'm still playing about with the settings just to increase low end response. I got a cck needle just to try it out.
__________________

 

[Eric K]

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Bike year & model = 2006 EC300
Temperature (degF) = 30 - 40
Elevation (feet) = 0 – 500
Main jet = 185
Pilot jet = 40
Needle & notch = CCK 3
Air screw setting = 0.5
Throttle valve/slide = 7

Results:
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This is my lower elevation winter setting. Throttle response is great and the engine runs very strong from idle (1100 RPM) up to 10000 RPM.

 

[Eric K]

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Bike year & model = 2006 EC300
Temperature (degF) = 40 - 80
Elevation (feet) = 3000 – 6000
Main jet = 170
Pilot jet = 38
Needle & notch = CCK 3
Air screw setting = 0.5 – 1.5
Throttle valve/slide = 7

Results:
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This is my higher elevation, summer and fall setting. Throttle response is great and the engine runs very strong from idle (1100 RPM) up to 10000 RPM. Fuel mileage is 20+ mpg on technical trails.

 

[Eric K]

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Bike year & model = 2001 XC300
Temperature (degF) = 30 - 40
Elevation (feet) = 0 – 500
Main jet = 182
Pilot jet = 42
Needle & notch = CCK 3
Air screw setting = 0.5
Throttle valve/slide = 8

Results:
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This is my lower elevation winter setting. Throttle response is great and the engine runs very strong across the range.

 

[Eric K]

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Bike year & model = 2001 XC300
Temperature (degF) = 40 - 80
Elevation (feet) = 3000 - 6000
Main jet = 172
Pilot jet = 40
Needle & notch = CCK 3
Air screw setting = 1 - 2
Throttle valve/slide = 8

Results:
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This is my higher elevation, summer and fall setting. Throttle response is great and the engine runs very strong throughout the range. Fuel mileage is 20+ mpg on technical trails.

 

[Leon_gasgas]

'07 EC250, temperature around 0 C (-5 - +5), elevation 0 to 100m, 10 kms distance from sea, TTS 50:1, Unleaded super 98, 10ml ethanol additive per tank to help against carb icing, the air intakes of one of the radiator covered with tape, protection for the carb from snow and to guide warm air from the cylinder to carb boot.

Pilot: 45, 1 turn out
Needle: N1EF #3
Slide #7
Main : 185

Finally the bike runs Great! Nothing to complain about. Tiny amount of spooge at the end of silencer after 2 hours on the MX track. It rips! if you want more power then your name must be Juha Salminen )

 

[Gregarious]

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Bike year & model = 2007 EC 300
Temperature (degF) = 50
Elevation (feet) = 200
Main jet = 178
Pilot jet = 42
Needle & notch = CEK (3 - middle)
Air screw setting = 3 turns
Throttle valve/slide = 1.5

Results:
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Riding style: slow technical trails -- rarely out of 3rd gear.
Premix: Using BelRay H1R mixed about 40:1.
Only a tiny bit of "spooge" on the tail pipe after 40 miles. I'd call it "just the right amount". Not enough to be messy, but enough that you know the engine is getting lubed.
Smoke: once warm, little to no smoke at all.

Performance: very tractable, very smooth.
Rider: very happy.

 

[ferguscawley]

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Bike year & model = 2006 EC 300
Temperature (degF) = 50
Elevation (feet) = 0 - 1000
Location = Cork, Ireland
Main jet = 178
Pilot jet = 42
Needle & notch = N1EF clip 1
Air screw setting = 1.5 turns
Throttle valve/slide = No. 7 slide

Results:
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Riding style: slow technical trails and fast open paths
Premix: Using RockOil Syn 2 race mixed about 45:1.

Performance: Excellent once warm

 

[kim]

Bike year & model = '03 EC300
Temperature (degF) = 40-100
Elevation (feet) = 0-3000'
Main jet = 168
Pilot jet = 38
Needle & notch = LTR middle notch
Air screw setting = 2
Throttle valve/slide = #8

Results: I run BP Racegas, 100 Octane. Premix is 50:1 using Total Grand Prix 2T oil.
LTR power valve cover is fitted, Boyssen Carbon Fibre Reeds and Messico Exhaust.
Bike pulls clean from bottom with a peakiness at 1/2 throttle and revs to the moon.
Peakiness could be due to carbon reeds, will try fibre glass reeds for a more linear power delivery.
Starts first kick hot or cold, idles good (after I fitted the #8 slide).
Very little smoke or spooge.

Kim

 

[REVERUP]

Bike year & model = 2008 Gas Gas DE 300
Temperature (degF) = 45-60
Elevation (feet) = 250'- 5000'
Main jet = 178
Pilot jet = 35
Needle & notch = N1EF 2nd position
Air screw setting = 1 to 2 turns out depending on temp and elevation
Throttle valve/slide = #7

Results: Crisp clean response. I run Chevron Supreme and Golden Spectro at 50:1 and my Irridium BR8EIX Spark Plug burns a beautiful tan just like that perfectly cooked camp fire marshmallow.