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by nedau980
Fri Aug 07, 2020 7:18 am
Forum: Tips, Tricks or Advice
Topic: ngk b-8hc
Replies: 1
Views: 2583

ngk b-8hc

Hello everyone, I recently found a 67 Yamaha YDS-5 in a barn and wanted to get it running. The serial number on the frame matches the engine and has me pretty excited. I got a service manual off of eBay and it states the spark plugs are NGK B-8HC. I have no idea what that means or which would be the...