I would certainly suspect something in the carbs:
- leaky diaphragms
- one or more jets blocked
- float level too low
Sooner or later you'll have to take the carbs out, check them, clean them...
Other thoughts:
- fuel filter blocked?
- fuel pump?
- TPS?
- leaky diaphragms
- one or more jets blocked
- float level too low
Sooner or later you'll have to take the carbs out, check them, clean them...
Other thoughts:
- fuel filter blocked?
- fuel pump?
- TPS?