Well, an evening sorting out a very reluctant to return throttle. Turns out the main culprit was the grip sticking on the bar end mirror assembly. I decided to take both bar ends off..and what a challenge that was!
This really did need the services of the puller
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and the other side was pretty similar, but used a different method of holding the bar end into the bar. Both were badly rusted in place, different size bolts were used, but was finally able to get all the pieces out.
The puller in this instanced allowed me to get better purchase on getting this out.
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All the stuff that came out of my bars..
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but glad both my bars look like this!
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One final discovery..no air filter. Not great, so at the very least I need to find one!