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[AndyMc]

Not sure if yo have resolved this but this is what i have found. My Classic had an interesting steering oscillation at about 65. it was more of a gentle tank slap than a death wobble but was disconcerting. New tyres, correct pressures and central wheel didnt make any difference. I also had an annoying problem with the rear shocks that would bottom out with just me riding (15st). I read that you could recharge the air in the rear shocks so I thought id have a go before buying new ones. Anyway, i connected an airline and put more air in. No more bottoming and no more steering oscillation. I've probably put too much in as it is now more plank like than porridge like but feels much more sure footed. Hope that helps. andy

[still lucky eddie]

I had a 750 F1 Honda years ago that would start to go into a tank slapper at about 90. If you kept your nerve and accelerated - taking weight from the front end - it would be arrow straight again by 105. No amount of tinkering with bearings, tyres, pressures etc ever sorted it and braking down through the speed range, ie putting weight on the front end, never made it worse.