Cylinder head comparison - A-series Ambassador

Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models

Created: 2015 August 19

Updated: 2015 August 19

Thanks to Charlie Mullendore of Antietam Classic Cycle for providing these photos on the old Yahoo! Loopframe_Guzzi news group (which has now moved to Groups.io).

Later cylinder head on left, A-series Ambassador cylinder head on right. Note casting differences at valve guides. — Later cylinder head on left, A-series Ambassador cylinder head on right. Note casting differences at valve guides.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Later cylinder head on left, A-series Ambassador cylinder head on right. Note casting differences at valve guides.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Direct link to image

Later cylinder head on left, A-series Ambassador cylinder head on right. Note casting differences at valve guides. — Later cylinder head on left, A-series Ambassador cylinder head on right. Note casting differences at valve guides.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Later cylinder head on left, A-series Ambassador cylinder head on right. Note casting differences at valve guides.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Direct link to image

Later cylinder head without extra casting. This cylinder head supports the use of two valve springs. — Later cylinder head without extra casting. This cylinder head supports the use of two valve springs.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Later cylinder head without extra casting. This cylinder head supports the use of two valve springs.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Direct link to image

A-series Ambassador cylinder head with extra casting. This cylinder head supports the use of a single valve spring. — A-series Ambassador cylinder head with extra casting. This cylinder head supports the use of a single valve spring.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
A-series Ambassador cylinder head with extra casting. This cylinder head supports the use of a single valve spring.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Direct link to image

Later cylinder head on left, A-series Ambassador cylinder head on right. Note the larger diameter intake port of the A-series Ambassador cylinder head. — Later cylinder head on left, A-series Ambassador cylinder head on right. Note the larger diameter intake port of the A-series Ambassador cylinder head.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Later cylinder head on left, A-series Ambassador cylinder head on right. Note the larger diameter intake port of the A-series Ambassador cylinder head.
Photo courtesy of Charlie Mullendore of Antietam Classic Cycle.
Direct link to image