Why have spots ap­peared on my irid­ium vi­sor?

Motorcycle News (UK) - - Garage -

I re­cently pur­chased an irid­ium vi­sor for my Arai hel­met and have been clean­ing it with a mix­ture of water and wash­ing-up liq­uid. The vi­sor is only three weeks old, but it has de­vel­oped spots all over it and they can’t be rubbed away. James, Newark

An­swered by Colm Cur­ran, www. the­vi­sor­shop.com When clean­ing irid­ium vi­sors, you need to use only warm water and a soft cloth. Spe­cial­ist clean­ers are on the mar­ket, but wash­ing-up liq­uid con­tains small bits and pieces like grit. This and harm­ful chem­i­cals eat away at the vi­sor and ruin it. Be care­ful – there’s a lot of stuff on the mar­ket that doesn’t agree with these vi­sors and chem­i­cals found in clean­ers will also dis­solve the irid­ium coat­ing and cause the prob­lems you de­scribe.

Irid­ium vi­sors re­quire very gen­tle care

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