This 12V starter motor is a Recmar aftermarket replacement for select Mercury/Mariner FourStroke EFI outboards. It cross-references Mercury OEM starter assembly part number 50-8M0166297 (also seen as 8M0166297) and is intended to restore reliable cranking performance when the correct match is confirmed.

Before ordering: verify your outboard serial number and the part number on the starter currently fitted. Fitment can vary by model year and engine variant.

• Part: Starter Motor
• Voltage / Output: 12V, 1.4 kW
• Pinion: 13-tooth, CCW rotation
• OEM reference: Mercury 50-8M0166297 (8M0166297)
• Common interchange/supersessions: 50-8M0088064 (8M0088064), 50-8M0137769 (8M0137769), 8M0083940
• Supplier part number: Recmar REC50-8M0166297
• Typical fitment (serial dependent): 75 EFI (2B095049+), 80 EFI (2B095049+), 90 EFI (2B095049+), 100 EFI (2B095049+), 115 EFI (2B095049+), 115 EFI/Pro XS variants (2B225488+)
• Brand: Recmar (Recambios Marinos, Barcelona) aftermarket replacement

Always confirm compatibility by engine model, serial range and OEM reference before purchase to avoid ordering the wrong unit.