Although walbro needle adjustments are rare, on some models it can be a pain when the carb is buried deep in the cowl. Ive modified this carb by turning a shoulder on the needle then soldered some 5mm brass tube. This will enable a driver to be inserted at rest and safely adjusted from behind the wing with engine running.
If any of you petrol heads can't get your driver in the slot - bring me your needles for the operation - it wont hurt !
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The following user(s) said Thank You: JRI, Phil Ford