After using standard 'pump' petrol in my colemans for the last 7-8 years I finally had a failure.
The generator finally blocked and could not be unblocked where I was. Considering the abuse and crap fuel this thing has been running on, I'm seriously impressed it lasted this long.
Of course, I could have/should have a spare generator with me (£15 on ebay and 5 minutes to fit). I have one now.
However, once home I managed to clear the old one out. I removed the generator pipe and soaked it in solvent for an hour.
I then used my MAP Blow torch (Propane/acetelyne mix available from any hardware store) and attacked the generator. I got it glowing red. Far hotter than the stove can burn. The carbon deposits jetted and 'whisped' out of the pipe. It's like new now. Obviously not a campsite fix but shows you can clear them.
Total respect for these stoves. I've just bought a new Coleman 442 Feather Stove for my next travels. A little smaller with the same gubbins.
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Did some trips.
Rode some bikes.
Fix them for a living.
Can't say anymore.
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