Alternator output on '82 R100RS
I'm thinking of getting a heated vest for winter touring but have doubts as to their power consumption. The output on my bike is barely adequate as it is- at night when I have my 65Watt headlight plus two spotlamps, (50 Watts each), I have to keep to over 4,000rpm or else the alternator is unable to keep up and the battery starts to run down, so what I need to know is whether there is a worthwhile modification available? Also, can anybody confirm that heated vests are any good?
Cheers
John
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