https://auctions.yahoo.co.jp/jp/auction/q1132878077
For those who may not be able to access the Yahoo! link, or if/when it expires, here are some of the images:
Really interesting. As you've already mentioned, the OEM Parts List doesn't show an alternative backplate (it does however, show different pulleys):
This image is from Release 9 (the final release) of the '87-'89 Parts List, dated 10th March 1992.
Really weird! Every other model has the knock-pin holes in the backplate, and virtually every 1988 photo I can find has them too. It's like 88 seat units with the 3 slats (shark gills) that there seems to be no part number for!
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Andy.
NSR-WORLD.COM
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