92 rm 125 spark plug help Hey guys...
i recently bought a 92 rm 125 and fouled the few plugs that were given to me with the bike... I did a little research and found out that the recomended plug for the bike is 15$. the plug number is NGK R4118s-9. I was wondering what would happen if i ran a BR9-ES in it, if anything would happen??? could someone help me cuz i dont feel like spendin 15$ everytime i foul a plug.
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