Track hack which one?

[Hahadumball]

I've gained myself multiple bikes and out of the 3 I'm undecided what to do,

Triumph sprint 955i I probably might maybe keep.. its been rebuilt ground up and resprayed but I may sell it but that depends on the next part...

I have an rf600 age related marks was a non runner but it runs ive not investigated too far but it is mot ready now.

Yzf 1000 thunderace, been sprayed black, but the tank is still stock and in decent condition, I'll likely have it wrapped black too.. again not gone too much into it but I did give it a test last night and it was fairly good minus a few issues to be addressed.

Now which would be the better track hack...

Realistically I'd like the ace to be on the road but.. my only other option is sell the rf, throw the money at the ace to get it on the road, sell the triumph and spend out on something else for the track..

What's decent these days for track riding? I'm down in Kent so lydden will be the most common track as I can almost hear it from my house.
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Fin: no matter how much I look at It I can't understand what was going through my head, all I remember is going about 80 and redlining it to stop it seizing.
360 Deg... Five 1/4 turns. :- Teflon-Mike 18 Jan 2015

[MarJay]

Out of those the Thunderrace stands out as being the most capable sportsbike, but none of them are really ideal track bikes. You really want something like a 2008 CBR600RR or a 2005 GSX-R1000. Personally I'd stay with the lightest possible 600 or maybe a 750 until I'm confident on track.
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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.