1976 Honda CB750F Super Sport
(Page 3 of 5)
From what Marcos ascertained, the seller bought the bike in 1991 from the original owner in Wilton, Conn. “In the last few years the seller had been riding it, but not that much,” Marcos says. “However, he’d taken great care of it. When I got there to pick it up, I saw it was in super nice condition, and it had been kept in his air-conditioned garage. It’s nice buying from somebody who takes care of their stuff.”
A few tweaks
The bike needed a little bit of tuning work, however, so with the CB750F back home Marcos went to work on the bike’s four 28mm Keihin carburetors. The carbs weren’t all that bad, and having learned a lesson or two on his 1972 Honda CB750K2 about the difficulties of removing and installing four carbs, with the CB750F Marcos simply left them in place instead of removing them. He took the jets out, cleaning and rebuilding the four carbs while they stayed attached to the engine. With clean carburetors the CB750F started on the button — Marcos didn’t even have to replace the 12-volt battery.
Still wearing its factory-original yellow finish, Marcos’ bike is a beautiful survivor. Marcos says he prefers the longer and skinnier gas tank of the CB750F, and the hinged lid that hides the fuel filler cap, against a K’s tank. The Super Sport tank holds slightly more gas than a CB750K, although only just barely; 4.8 gallons versus the standard bike’s 4.5 gallons.
One item Marcos didn’t like was the 1980s-style slash-cut muffler the last owner had installed to replace the original can. “That muffler just wasn’t quite right, and the bike was so nice it was worth looking for the original exhaust,” Marcos says. The four chrome, double-wall Honda headers to the single collector were original, and Marcos soon found himself bidding on a NOS muffler he found on eBay to make the bike correct. He scored the unit from a seller in Fond du Lac, Wis., for $222.50, and laughs when he says the reserve was a very modest $35. “He shipped it to me for free, he made so much more money than he thought he was going to,” Marcos says. Granted, it cost a lot more than Marcos hoped, but there’s no question it was worth it, as it really pulls the bike together.
A friend encouraged Marcos to change out the raised white-letter Dunlop tires for something a little more pliable, and a set of Continental Super Twins went on the rims. From the factory, Honda ran a 17-tooth front sprocket to give the CB750F increased off-the-line performance, but this lower gearing causes buzzing at highway speeds. A common upgrade is a sprocket with one more tooth, and Marcos installed an 18-tooth sprocket when he put on a new chain. Apart from ensuring the cam chain is properly adjusted, Marcos hasn’t had to do any work to the SOHC engine.
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