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  1. Grom Performance
    I am interested to know if anyone has had any trouble with the Finbro 235? Also, how many miles do you have on them already? And what kind of fuel mileage are you getting?
  2. Grom Performance
    Hey guys, I'm new to the forum and this is my first post so I apologize if this topic has been discussed. I did a couple upgrades to my grom all at once and I'm not sure what couldve went wrong. I put in the high rpm/colder spark plug, tbr full exhaust and did a valve adjustment on the same day...
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