Breakdown serial #s???

[simon]

can anyone help me breakdown my #s?? engine block reads 447-000115 couldnt find a match with the threads sent.

[revmike]

what is the make/model? interesting that the CB450 after 82 and CM450 were 447cc but the engine numbers were PC05 - xxxxxxx sorry just rambling on....

[simon]

supposedly xs650....just picked up the engine only. cylinders have the 648 stapped on them at the lower base.

[Hobbes]

I'm thinkin' early 1974 TX650A (http://www.650motorcycles.com/XS650yearID.html)

[HWC]

yep 74 ish,,,possibly a TX,,the TX an XS 650 is the same mtr basically..

[burntclutch]

Since this post exists gonna hijack it instead of postin a new post with the same question. CB750E-2603370 can't figure if its 76 in da K series or a 77 Super Sport was looking over at timeline on HondaChopper.com thanks and Merry Christmas

[HWC]

probobly a K,,theres no F after the cb750E

[crkhobbit]

1976 CB750K. http://www.sohc4.net/index.php?q=node/86

The F series engine numbers start with CB750FE-.

[burntclutch]

Thanks for the input fellas appreciate it