Yamaha's have a tendancy to have some of the best power to weight ratios of any dirtbikes. I switched to Autolite Platinum plugs, for the YZ-125, it takes the Autolite Platinum XS4062 gapped at .024. You'll notice more precise throttle response, so wear your gear!
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Yamaha's have a tendancy to have some of the best power to weight ratios of any dirtbikes. I switched to Autolite Platinum plugs, for the YZ-125, it takes the Autolite Platinum XS4062 gapped at .024. You'll notice more precise throttle response, so wear your gear!
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