really you have 2 choices, replace your bike or buy a dedicated track bike.
A cheap used 600 trackbike can be found for $3k, sv650 maybe $2500, $2k for an ugly one.
Or if you stay with your bike and want better rubber, find out what wheels will swap in from other bikes, you might be surprised at how many of honda wheels are 1005 interchangeable, I don't know for your specific model, but many are. Not sure if swapping out the wheels might put you in a different class or get you out of the vintage classes. Really though, dont be surprised to find decent rubber for your bike as is, and any sport tire you buy now is as good or better than the race tires from the decade when your bike was made
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