| Listed in parts books | Not catalogued by year yet |
ADVANCE UNIT USED
A used advance unit for the ignition timing system, part number 54425657U.
This is a listed as an advance unit, sold used, under part number 54425657U. Our records on it are thin - just the description and the catalog title carried over. On these bikes the advance unit is part of the ignition timing setup, working to adjust spark timing as the engine speed changes.
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Because this one comes to us with so little detail on file, we're not going to guess at specifics like which model or years it fits. If you've got a parts book number or a bike in front of you, give the shop a call and we can talk through whether this one is right for your application before you order.
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