Get service and tuning for your motorcycle at Karns Performance in Mechanicsburg, Pennsylvania. We specialize in quality custom bike tuning and are a Certified Dynojet Tuning Center. Check our rates and request service online today!

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See all inventory in stock at Karns Performance in Mechanicsburg, Pennsylvania. We sell new and used motorcycles and ATVs, specializing in Suzuki. We can get you new manufacturer models, too!