These are things I've found on the Internet. Look upon my works ye mighty and despair.

 

“The factory offered a comprehensive list of racing items to bring the Superhawk onto the track, including a bump-stop seat, special carb bellmouths, special rearsets, megaphone exhaust etc … this CB77 has most of the ‘race kit’ installed, and was fully restored several years ago, with minimal mileage since.” The estimate is $5,000-7,000. (via 1965 Honda CB77 Superhawk | Bike EXIF | Classic motorcycles, custom motorcycles and cafe racers
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“The factory offered a comprehensive list of racing items to bring the Superhawk onto the track, including a bump-stop seat, special carb bellmouths, special rearsets, megaphone exhaust etc … this CB77 has most of the ‘race kit’ installed, and was fully restored several years ago, with minimal mileage since.” The estimate is $5,000-7,000. (via 1965 Honda CB77 Superhawk | Bike EXIF | Classic motorcycles, custom motorcycles and cafe racers

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