Need help with 2007 Rm 250 carb set up

Wilkinson81
Edited Date/Time 12/21/2017 9:55pm
What's the best set up for 2007 rm 250 carb jet sizes?needle height ? And anything else would be appreciated
|
RussB
Profile picture for user RussB
Posts
851
Joined
7/12/2014
Location
GB
Fantasy
1164th
RussB 12/20/2017 3:30am
12/20/2017 3:30am
Some very knowledgeable guys on here when it comes to jetting. Post up more info such as typical temperatures, altitude, fuel/oil ratio, any engine work etc to get a more accurate response.

However from my experience the stock NEDH needle is pretty good. The NECJ that pro circuit is also popular but slightly leaner than the NEDH.

Pilot, anywhere from 45-50 depending on temp and needle choice.

Main usually between 165-178

48 Pilot, Clip3 NEDH and a 170 main would be a safe start
Mx391
Profile picture for user Mx391
Posts
261
Joined
10/25/2017
Location
Mid, TN US
Mx391 12/21/2017 2:21pm
12/21/2017 2:21pm
RussB wrote:
Some very knowledgeable guys on here when it comes to jetting. Post up more info such as typical temperatures, altitude, fuel/oil ratio, any engine work etc...
Some very knowledgeable guys on here when it comes to jetting. Post up more info such as typical temperatures, altitude, fuel/oil ratio, any engine work etc to get a more accurate response.

However from my experience the stock NEDH needle is pretty good. The NECJ that pro circuit is also popular but slightly leaner than the NEDH.

Pilot, anywhere from 45-50 depending on temp and needle choice.

Main usually between 165-178

48 Pilot, Clip3 NEDH and a 170 main would be a safe start
When you say clip3 are you counting from the top or the bottom?

The Shop

See All »
dirtmike86
Profile picture for user dirtmike86
Posts
1183
Joined
10/28/2015
Location
Grand Terrace, CA US
dirtmike86 12/21/2017 6:27pm
12/21/2017 6:27pm
RussB wrote:
Some very knowledgeable guys on here when it comes to jetting. Post up more info such as typical temperatures, altitude, fuel/oil ratio, any engine work etc...
Some very knowledgeable guys on here when it comes to jetting. Post up more info such as typical temperatures, altitude, fuel/oil ratio, any engine work etc to get a more accurate response.

However from my experience the stock NEDH needle is pretty good. The NECJ that pro circuit is also popular but slightly leaner than the NEDH.

Pilot, anywhere from 45-50 depending on temp and needle choice.

Main usually between 165-178

48 Pilot, Clip3 NEDH and a 170 main would be a safe start
Mx391 wrote:
When you say clip3 are you counting from the top or the bottom?


Mx391
Profile picture for user Mx391
Posts
261
Joined
10/25/2017
Location
Mid, TN US
Mx391 12/21/2017 9:55pm
12/21/2017 9:55pm
RussB wrote:
Some very knowledgeable guys on here when it comes to jetting. Post up more info such as typical temperatures, altitude, fuel/oil ratio, any engine work etc...
Some very knowledgeable guys on here when it comes to jetting. Post up more info such as typical temperatures, altitude, fuel/oil ratio, any engine work etc to get a more accurate response.

However from my experience the stock NEDH needle is pretty good. The NECJ that pro circuit is also popular but slightly leaner than the NEDH.

Pilot, anywhere from 45-50 depending on temp and needle choice.

Main usually between 165-178

48 Pilot, Clip3 NEDH and a 170 main would be a safe start
Mx391 wrote:
When you say clip3 are you counting from the top or the bottom?
dirtmike86 wrote:
[img]https://p.vitalmx.com/photos/forums/2017/12/21/233446/s1200_Screenshot_2017_12_21_18_26_34.jpg[/img]


Thank you! that was helpful.

Post a reply to: Need help with 2007 Rm 250 carb set up