Great news - agree with the fuel advice, it is shocking how quick it goes off these days. As mentioned, stick some high grade fuel in to dilute the old stuff, and I'd stick something like StarTron enzyme in to combat the effects of the old fuel.
Took a couple of tank fulls to sort out my old crossflow after a 3 month lay up, and she's far less sensitive.
"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10
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