Motorcycles grow more powerful with each passing year, with engines like Indian’s Power Plus 108 and Harley-Davidson’s new 2.1-liter Screaming Eagle IV V-twin putting out 122 and 130 horsepower, respectively. Automotive engine replacements like Chevy LS engine swaps are quite common, but if you’re tempted to boost your motorcycle’s power by replacing the stock engine with something bigger, you’ve probably wondered if this is a manageable job, and what is involved? One of the most significant differences between a car
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