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Sprocket for Yamaha 6C, 6D, 6M, 6S, 8C, 8M and 8S engines from 6 to 8 cylinders. Powertrain drive gear that transfers crankshaft rotation to the reduction case to drive the propeller.
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PIÑON 6N0-G5551-00
REC6N0-G5551-00
€101.66
Tax included
Sprocket for Yamaha 6C, 6D, 6M, 6S, 8C, 8M and 8S engines from 6 to 8 cylinders. Powertrain drive gear that transfers crankshaft rotation to the reduction case to drive the propeller.
Description
Function and technical context
The 6N0-G5551-00 pinion is a drive train drive gear on Yamaha and Mercury outboard engines, responsible for transferring rotation of the crankshaft shaft to the reduction box with the necessary gear ratio to drive the propeller. This component works under intense cyclic stresses in the power transmission assembly, supporting accelerations, gear changes and variable water loads. Its wear or breakage causes immediate loss of traction, abnormal vibrations while driving and, in critical cases, total blockage of the drive system that leaves the boat immobile.
When to replace this part?
Symptoms of pinion wear include grinding or rubbing noises from inside the gearbox, difficulty or skipping during gear changes, and unusual vibration during acceleration. It is recommended to inspect the condition of the gear at each seasonal maintenance check, especially after navigation in murky waters or if water has entered the gearbox. Replacing this part preventively avoids catastrophic breakdowns of the drive system that require costly repairs in a boat dock or emergency situations at sea.
Engine Compatibility
Motores Yamaha Compatibles▾
Modelo Años 6C 1997 – 2012 6D 1997 – 2005 6D 2-Stroke 2006 – 2007 6M 2004 – 2010 6S 2011 8C 2002 – 2012 8M 2010 8S 2011
Equivalent manufacturer part numbers
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Mercury/Mariner/Mercruiser | 43-11579M |
| Yamaha | 6N0-G5551-00, 6N0G555100 |
Product Details
REC6N0-G5551-00