View single post by answerman
 Posted: 11-09-2018 05:09 am
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Joined: 09-10-2012
Location: Little Chute, Wisconsin USA
Posts: 435
Off the top of my head:

Besides the interior and headlight surrounds, I'm pretty sure that the lip seal as opposed to the rope seal for the rear main started with the introduction of the MkII. Also, the rear brakes on the MkI were Girling while the MkII used Lockheed.

The crankcase ventilation was different on the MkI, at least the early ones, with a separator/catch can in the breather line. MkIIs and later vented directly to the airbox.

The bumper changes are complicated: MkI used the SS bumpers, MkII used the same bumpers but with longer standoffs (at least in the rear) until the very end of the MkII run overlapping the start of the JH5 run, which changed to the rubber bumpers. Most of the MkIIs have the earlier SS bumpers.