« Reply #2 on: November 21, 2005, 04:33:14 PM »
Are we talking US models?
According to the Honda Motorcycle Identification Guide...
The CB550 K in 1976 had engine serial numbers begining with 1067334. The 75 engine numbers started with 1026182.
All the F model engines started with 11xxxxx
Cheers,
Logged
Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100
Those that learn from history are doomed to repeat it by those that don't learn from history.