sparkplug gets black and dies
Hi!
I have a xt660x without any mods, I used to have pciii, but now the bike is almost stock.
Tps is on stock position and the co is at +10 from the stock reading.
The problem is that sparkplug nose gets black and dies every 3-4 months. In winter is worse the bike does not start in the morning if the spark plug is not new, but the bike starts eg in the noon.
My mechanic said propably I have to change the tps with a new one but I am not sure. Any ideas?
Also another question, if I change the speedometer with a new one or second hand, will I lose the ODOMETER reading?
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