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Yeah, band-aids don't really "fix" actual problems, just cover up symptoms.
Due to increased use of ethanol petrol thanks to corn-lobby, there's more issues with corrosion in carbs. In addition to previous dried petrol deposits. Spray carb cleaners no longer work due to removal of chlorinated compounds.
These bikes ran perfectly when new leaving showroom floor. There's absolutely zero reason they won't run like that again if carbs are factory-fresh clean. In order to restore carbs to that condition, you'll need to do:
- complete disassembly to every last nut, bolt, O-ring and individual components
- scrub all parts by hand with various solvents (PEA-based ones work best)
- scrub petrol passages from tank to intake-valves with brushes of matching sizes
- ultrasonic soak
- micro soda-blast
- replace all rubbers, float-valves, float-bowl seals, fuel-rail O-rings, slide-diaphragms if needed
- re-assemble
If you don't have all this equipment and don't want to buy them all to restore one set of carbs to factory-fresh clean, then you won't get bike that runs like brand-new. Easier to send them to someone who has this equipment and experience to do restoration work to factory-fresh clean condition...
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