Determining whether or not an older Gold Wing model is stock can be difficult if you are not the original owner. Identifying the identification numbers of the VIN, carburetors, engine, frame and final drive will help.
Vehicle Identification Number (VIN) is on the safety certification label on the left side of the steering head.
The GL1000 Carburetor Model Identification Number is on the top of the carburetor mounting flange.
GL1000 Carb IDs: 1975 - 755A, 1976 - 758A, 1977 - 764A, 1978 and 1979 - 769A (prior to 1-1-78) and 771A (emission control manufactured after 12-31-77)
<-Shown is carburetor ID 758A from a 1976.
The GL1100 carburetor IDs can be found on the left side of the carburetor body.
GL1100 Carb IDs: VB48A and VB48C
GL1200 Carb ID is found on the inside of the carburetor bodies.
GL1200 Carb IDs: VD53A, VD53B, VD53C and VD53D, as well as California VD55A, VD55B, VD55C and VD55D
Engine Serial Number is stamped on the top right side of the crankcase.
Frame Serial Number is stamped on the right side of the steering head.
Final drive Serial Number is on the left or final gear case near the pinion flange.