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The "Big Mac", king of all Reed spacers


jon321

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Spacers add midrange power when you space out the reed. You go too far, and it increases the crankcase volume quite a bit, thus not making the cycle efficient. Regardless of what it does, running spacers on a motor with cpi's is going in the wrong direction.

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Spacers add midrange power when you space out the reed. You go too far, and it increases the crankcase volume quite a bit, thus not making the cycle efficient. Regardless of what it does, running spacers on a motor with cpi's is going in the wrong direction.

So taking out those spacers and putting in say 3/8 spacers would be better for the engine? i looked at the carbs and they will clear the clutch arm if i was to move them up.

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