Rare Racer: 1962 Honda CR72 — Motorcycle…

18 Апр 2015 | Author: | Комментарии к записи Rare Racer: 1962 Honda CR72 — Motorcycle… отключены
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Rare Racer: 1962 CR72

Here’s something you think about very unless it’s not working: cam drive. As most of us ride motorcycles with dual cams, we take for granted the quiet and reliable nature of the cam and tensioners that keep our opening and closing valves thousands of times every mile after mile, after year.

It wasn’t so. Honda is now well-known for making and dual overhead cam motors, famously the CB750, but back in the ’60s the company’s engineers with getting chain-driven to run as precisely and reliably at high rpm as the equipment on the factory racers. had been using overhead in its small-displacement street bikes, but to the world motorcycle market it a way to inexpensively and reliably provide power, power that shame and humiliate the older like Triumph, Norton and

This bike is one stop on the way to the CB750, the model that the way for Japanese dominance of motorcycling, a that only now, a half century later, is to crack. You won’t find it in any guides and you certainly won’t it parked outside your Starbucks. It’s a rare and 1962 Honda CR72 bike owned by Ron Mousouris.

It’s the only one known to

It looks a lot like a CB72 but vintage-Honda enthusiasts will out the unique motor. The motorcycle is the of Honda’s RD department fitting a CR72 race motor a CB72 Hawk chassis, for testing and evaluation purposes.

According to the Classic Japanese Club ‘s Allan Seikman, who me the bike at the recent Clubman’s at the San Jose fairgrounds, the engine ( number 300001) looks much like a CR72 complete with magnesium and distinctive cam covers for the dual It is fitted with a six-foot-long cam and some parts look those off the later CB450.

bike’s history is murky and the I got may be hearsay—but it’s all the information I find. Seikman tells me the was used as a development testbed in and then sold to a U.S. stationed there. He raced the in Japan and then in the U.S. he returned home.

At some point, the motor up,” and the guy sold it to a Honda where it languished for decades.

Ron Mousouris, owner of the Benly where he restores vintage He acquired the bike, and since it was not in the it was in when it left Honda’s RD many years ago—to say the replaced everything but the original That means the bike you see is, except for the unique powerplant, in a replica—but that doesn’t the visual impact of the project.

Stock CB72 and other components were carefully modified and restored to produce a recreation of how the bike originally See some of the build thread .

Regardless of originality, the historical of this bike made it to see in person. Reliable overhead-cam led to the CB450, CB350, CB750 and smooth, fast and reliable like the Z1 and GS750. Thanks go out to like Allan and Ron for keeping alive.

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