Hi all!
Now I building first in Russia nsr300 mc21 for track days
first step was rebuild cranckshaft and re-nikasil barrels
I use VHM heads and 98 octane fuel with pre-mix oil
now is the quiestion about rejetting carbs
Tyga recommends this settings at temp 29 C:
MJ - #182/#185
JN - Std./Std.
SJ - #38/#38
AS - 1.5 turns out
PwrJ - Std./Std.
but I find that somebody use 160/160 MJ

which size MJ is better for start tune at temp 15-20C? 19x or 2xx? or 182/185 will be enouth?
thanks for any answers
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2stroke 4ever!!!