D-type Leist we confuse the young folks (old jappers) are NOT japanese thay are 100% brit James A. Presswick Im not shure what town but U.K. I have seen thare heads used on harleys and on one famous indian. every time i roll the throttle i think of Mr. Curtiss. Best pic of that bike i have ever seen dierect drive no clutch. I think the time was around 1917. I could be wrong Thank"s. Giant Jim
