Blaster bugs in higher rpms in 3-4 gear

[Cam defran]

Heat I have a 02 blaster stock bore aftermarket ignition coil and coil pack...fmf pipe boyesen reeds and a 28mm carb....as of now there is a 260 main jet in it....could I try the stock 230 jet to see if it stops loading up? I dropped it in for a few minutes and ripped it around and pulled the plug and it looked dry and kinda goldish....is that a hood thing? Should the plug be at all were looking? Or should it be dry to to the eye? I dont want it running lean but I deff dont want her bogging out either...someone please hook me up w some advice I know the stock main is 230 but isnt that for the 26mm?

 

[Awk08]

No stock 230 main jet in any carb with an FMF pipe or any mods to the airbox/filter.
an FMF requires at least a 270 for a stock carb, I usually suggest to buy 270 thru 310 mains to cover varying temps and elevations. < both play a big part in jetting
start large and plug chop down.
ours with FMF here @ 1800' elevation liked 290/300's in summer temps. winter temps and lower elevations may need richer.

you need to learn and do plug chops before you fry that thing
https://www.blasterforum.com/threads/how-to-plug-chop.53237/


also look in here to see what others are running with your mods (28mm, FMF) to get a starting point, then plug chop to confirm it's right for your exact machine !
https://www.blasterforum.com/threads/what-jets-are-you-using.28981/