PART NUMBERS:
• 6D8-11418-00-00 6D8114180000
SPECIFICATIONS:
• Component: Upper Center Main Bearing (Green)
• Engine: 4-Cylinder 4-Stroke
• Horsepower: 75/90/115 HP
• Coating: Green (Color-Coded Selective Fit)
• Brand: Yamaha
APPLICATIONS:
• 75 HP 4-Cyl 4-Stroke (2010-2017)
• 90 HP 4-Cyl 4-Stroke (2010-2017)
• 115 HP 4-Cyl 4-Stroke (2010-2014)
PRODUCT DETAILS:
Direct replacement green-coded upper center main bearing for Yamaha 4-cylinder 4-stroke outboard engines covering 75, 90, and 115 HP models produced between 2010 and 2017. Yamaha's color-coded bearing system uses different colored bearings (green, green, pink) to achieve precise crankshaft-to-bearing clearances during engine assembly and rebuild. The green bearing is one specific size within this system and must be matched to the corresponding crankshaft journal color marking for proper fit and oil clearance. The upper center main bearing supports the crankshaft between the cylinder pairs in these inline 4-cylinder powerheads and is critical for maintaining crankshaft alignment and proper oil film thickness. Yamaha's F75, F90, and F115 4-stroke outboards represent the core of their mid-range engine lineup and are used extensively in freshwater and saltwater fishing, pontoon, and recreational boating applications. A failing main bearing presents as engine noise, low oil pressure, vibration, or visible crankshaft play during engine inspection. Always verify the green color code matches your crankshaft journal before installation. Confirm your model and part number before purchasing to verify fitment.
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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