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[simon]

So shoot me! The disks it turns out are steel as they appear to have been pressed rather than cast. Going to use a stone in the grinder and will attach pictures (better look away Papa Smurf ) S:)

[papasmurf]

Simon, I hope you realise there is a minimum legal thickness for brake discs.

[Leon Novello]

Grinding can make them too thin, which will result in buckling when hot and driving through cold water on the road causing the steering to shimmy when brakes are applied. However, there are services available where they can be machined in situ; they come to your home and do it.

[ric]

All depends on the quality of the rotor. Some of those found on upmarket Italian bikes start out in life measuring less than the minimum recommended thickness of the cheaper ones (like the OEM items found on the Enfield).

Personally I look at brakes the same way I do tyres - they're the things that help keep you out of pain city. I'd never consider skimming a disc and I'd never ride on remoulds. JMHO

[simon]

Clearly I sound like a rookie! Yes of course I know there is a minimum thickness and I am happy to say I have swags of fat in what are low mileage disks. As for not machining in favour of replacing that involves a £300 expenditure over a bottle of single malt. This is a relatively low powered motorcycle with a maximum likely cruising speed of 65 to 70 mph so disastrous collapse due to overheating is at a similar risk of lightening strike.

[PeteF]

Simon, be sure to let us know how it goes.

[another Allan]

Reasons not to use a lathe to resurface discs? Have a look at this, when you have a few minutes.

http://www.oeqf.com/techinfo/scratching ... ing_lg.htm

[papasmurf]

another Allan, if I turned a surface with a finish as bad as those shown in your link, I would be ashamed of myself.