05 YZ250 jetting
I was hoping that somebody could give me their guesses and comments about my jetting. I am at 670' ASL and the temps have been in the 90's with high humidity. today it's supposed to be 101. :yikes:
My cuurent jetting is -
main jet - 172
needle is stock and at the 1st clip position
pilot - 48
air screw - 1 1/2 out
bike mods are - twin air filter, Pro Curcuit silencer (304 factory sound), stock pipe, V Force 3 reeds.
I run premium standard pump fuel now but I will probably be changing to 1/2 pump gas and 1/2 VP fuel.
I just changed to this jetting last night and I have not ridden it yet. before that I was at 175 main, clip position 2, 50 pilot and 1 1/4 out on airscrew. The bike just seems like it smokes to much. This is my first two stroke and I am not really sure how much smoke I should be seeing one the bike is warmed up and I give it a quick twist of the throttle off idle. I have been using Yamalube 2R since the bike was new.
With this jetting I looked at the plug and the isulator is dark brown. not tan kie it sould be but dark brown. I only rode it around the back yard before checking the plug however so I haven't given it the best test yet. It just seems like it shouldn't smoke that much.
Since this is my first two stroke I just worry about being to lean and frying the bike. So if anyone that has knowledge about this bike and what jetting would be good I would appreciate some starting points.
I was hoping that somebody could give me their guesses and comments about my jetting. I am at 670' ASL and the temps have been in the 90's with high humidity. today it's supposed to be 101. :yikes:
My cuurent jetting is -
main jet - 172
needle is stock and at the 1st clip position
pilot - 48
air screw - 1 1/2 out
bike mods are - twin air filter, Pro Curcuit silencer (304 factory sound), stock pipe, V Force 3 reeds.
I run premium standard pump fuel now but I will probably be changing to 1/2 pump gas and 1/2 VP fuel.
I just changed to this jetting last night and I have not ridden it yet. before that I was at 175 main, clip position 2, 50 pilot and 1 1/4 out on airscrew. The bike just seems like it smokes to much. This is my first two stroke and I am not really sure how much smoke I should be seeing one the bike is warmed up and I give it a quick twist of the throttle off idle. I have been using Yamalube 2R since the bike was new.
With this jetting I looked at the plug and the isulator is dark brown. not tan kie it sould be but dark brown. I only rode it around the back yard before checking the plug however so I haven't given it the best test yet. It just seems like it shouldn't smoke that much.
Since this is my first two stroke I just worry about being to lean and frying the bike. So if anyone that has knowledge about this bike and what jetting would be good I would appreciate some starting points.