Counter-Rotating Carrier Nut Wrench for Yamaha, 86mm 4-Tooth – Replaces YB-06578

Remove and install the carrier nut on Yamaha counter-rotating lower units. The AMT0147 is an 86mm OD, 4-tooth wrench head that attaches to the Retaining Ring Wrench Handle (AMT0031), sold separately. It replaces Yamaha ring nut wrench YB-06578 and is made from nickel-plated steel for corrosion and wear resistance. Backed by the Marine Tech Tools lifetime warranty.

Reference part numbers: YB-06578

Fits These Motors

• Yamaha counter-rotating (L-model) lower units

Not sure which one fits? Use the Retaining Ring Wrench Finder on our lower unit tools page.

Works With

• Retaining Ring Wrench Handle (AMT0031)
• Counter-Rotating Carrier Nut Wrench, 70mm (AMT0148)