Hi and welcome!!!
Most likely your carbs need deeper cleaning:
- disassemble carbs down to bare jets, needles, float-valves, etc.
- floss all secret passages
- ultrasonic bath with heavy-duty chemicals
- soda-blast all orifices and fuel circuits
- verify slide diaphragms intact with no cracks or leaks
- adjust float heights to spec
- test that petcock diaphragm holds vacuum (don’t have to keep applying vacuum for fuel to flow)
Last futzed with by DannoXYZ; April 15th, 2018 at 02:07 PM.
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