possibly needs rejetting

[Olliesherman]

today i did my first big ride on the gas gas on enduro track and after riding in the woods for 5 mins or so very low revs in tight tricky sections when i came out on the staights i had to clear it out again every time before it would rev through cleanly like the plug was fouling up with the low rpm stuff

 

[GGRider01]

What do you have now? Needle, pilot and main.

 

[Olliesherman]

i honestly dont know would it be written on them if i took them out ?

 

[poelinca]

i honestly dont know would it be written on them if i took them out ?

Yes, pilot and main should have it written on them. Depending on the needle may be written or you'll get markings of some sort.

 

[Olliesherman]

Right took my carb apart I've got a 180 main and a 35 pilot in there and the needle was on the 3rd clip down from the top.


Sent from my iPhone using Tapatalk

 

[GGRider01]

Just going to assume the needle is one of the stock offerings.. N1xx or similar. Try it in the #2 position (counting from the top of the needle).

I had to run my stock needle in the #1 position. It really is worthwhile trying Suzuki and Yamaha needles if you're ready to open a whole can of worms.

NEDG, H and W needles and their NECx half-clip counterparts are a blast. Depending on which generation and size of Keihin you have will determine what diameter you ought to start with.

The Yamaha N3 series are quite popular too but I never could get it to feel very exciting.

 

[Olliesherman]

It's a 2009 300 and it's got a screw top on the carb not bolt on type. How do you tell what needle you have mine has no marks on it at all


Sent from my iPhone using Tapatalk

 

[GGRider01]

Mine is engraved, just below the clip slots, "N1ED". I think GG sent quite a few out with N1EF needles later on.

 

[Olliesherman]

Looked at my needle again today. It's defiantly not got a mark on it at all. But it does have a blue mark on the top not sure if that means anything


Sent from my iPhone using Tapatalk

 

[Jakobi]

It'll be a JD blue.

Should work somewhat well. What clip position?

 

[Olliesherman]

It was on three I've moved it up to 2


Sent from my iPhone using Tapatalk

 

[Jakobi]

It was on three I've moved it up to 2

And has it improved or are you still seeking to refine it further?

 

[Olliesherman]

I'll let you know today I haven't riden it yet as when taking the clip off I dropped it haha took 4 days for a new one to show up


Sent from my iPhone using Tapatalk

 

[GGRider01]

Curious about the results. A lot of guys like the JD Blue on the AS1, and it seems quite a few end up in #2 position to boot.

 

[Olliesherman]

Well I took it to a Mx track so wasn't really the best to see if I have cured my problem. When I next do some wood/trail riding I will let you know if it's improved


Sent from my iPhone using Tapatalk

 

[andper]

So, i dont want to start a new thread,but have some questions on my jetting, its and EC250 -12 ASII

Right now im running:
CCK #3
178
42
Air/fuel :1,5 turns out

160m above sea level (~550ft??)

And it sounds like this, does it sound ok or do you think i should try rejetting it?

https://sendvid.com/l2i413if