Identification information of frames and transmissions
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Post by restless »

Hi one more frame question .
right sidebehind neck/front gas tank mount 48
left side behind neck/ front gas tank mount 47591-35a
right side lower gas tank C1
Bottom of frame on side in front of swing arm 47653-58
Can some one please tell me what year and frame this is
Thanks very much Bill

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Re: Frame


Post by 1950Panhead »

If C1 is stamped on the top motor mount, right side, the frame is a March 1961 frame. If the C1 is elsewhere a picture would help.

Speeding Big Twin
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Re: Frame


Post by Speeding Big Twin »

Bill, 47653-58 is a casting number first introduced for 1958 models and it continued to be used for several years after that. And in a corresponding position on the right-hand side you may find something like 47651-58.

I've been reading your threads and I'm curious about a couple of things. You mentioned C1 in this thread, but in a previous thread you asked about a frame with oi. Are you talking about two frames or are they one and the same frame?

And I notice you mentioned number 47591-35A, as opposed to 47591-35. Could you please post some photos showing both sides of the frame in full. Thanks. Eric

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