Yes it will require more rpm to push the belt to the top. The red spring will keep a lot of tention to keep ur belt frome slippin. If you go too light on ur weights it will lose the fight against the red main spring. When that happens no matter how much rpm you give it it wont be strong enough and you'll lose top end completly.
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2. 150cc carters. 1. Baja reaction 150cc dr2 variators Jerseydevil hp. Pipes unifilters gates belts. Yellow main springs hd. Orange coils.
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