he must have cut the air injection tubes off and plugged them Oldroadie had the same set up when he bought his. The right block off for the air injection should be solid plugs.

Sounds like it's running out of fuel. With mileage that low I would doubt a clogged fuel filter but not out of the question. Play with jetting and carb adjustment in my opinion. But problem could be caused by other things as well.

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