How much noise to be blamed on Poor fuel?
I am in Bangladesh, on my 1988 R100GS. I am not sure of fuel quality here but I think it is reasonably safe to say that it's not great. Since Pakistan I have been hearing a few noises on ignition of bike that I have put down to fuel quality but now it seems to be getting a lot worse. Is it possible the fuel in Bangladesh is that much worse than in India, Nepal and Pakistan that I am getting the new symptoms or should I be concerned that there is something else at play?
Symptoms:
Frequently getting pinking noises on ignition of bike from cold and when warm, by frequently I mean 95% of time. When accelerating from low rpm bike has started to make some loud rattling noises, not all the time but enough to worry me. RPM at idle is a little rough. Choke requires to be left on for longer than now before it can be trusted not to stall, the bike seems happier if choke is left on just a little for in city driving - (running lean? but see below)
Possibly connected but not sure:
At even low altitudes, less than 2000meters I start to get problems with stalling, suggesting I need to lean out the mixture, I would assume that since stalling is beginning to happen at such a low altitude I am running slightly rich all the time and could do with adjusting slightly anyway.
I am appalling with bikes, this may be clear to anyone from reading ths if I have got everything confused. If anyone out there could reassure me that all this is caused by poor fuel and the Bangladesh fuel is the worst of all, that would be great. If its not could you please le me know what you think the bad new could be.
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