SPENGILLY wrote:I used a hammer & screwdriver to get it off.

That's because it's set by feel. You need to tighten it so that the head races are snug but not tight, and the bars will go lock to lock without sticking, but aren't flopping side to side and there's no play when you try to rock the forks forward and aft.
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MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball