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Forward gear pinion for Yamaha 40G, 40Q and E40J engines. Precision helical gear that transfers power from the crankshaft to the propeller in the outboard drive system.
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FORWARD DRIVE PIN 679-45560-00
REC679-45560-00
€340.70
Tax included
Forward gear pinion for Yamaha 40G, 40Q and E40J engines. Precision helical gear that transfers power from the crankshaft to the propeller in the outboard drive system.
Description
Function and technical context
The forward gear is a critical gear in the drive system that enables forward propulsion of the outboard motor. It works in conjunction with the clutch system and gearbox, transferring power from the crankshaft to the propeller using a precision helical gear mechanism. Its wear or breakage generates loss of traction, difficulty engaging forward gear, or the total inability to propel the boat forward.
When to replace this part?
Symptoms of pinion wear include clunking or grinding noises during gear engagement, gear slippage under load, or abnormal vibration in the transmission. This component should be inspected at each seasonal maintenance check, especially after heavy use or navigation in waters with abrasive sediments. Preventive replacement of the pinion prevents cascading damage to other gearbox components and ensures reliability in critical operations.
Engine Compatibility Table
Motores Yamaha Compatibles▾
Modelo Años 40G 1993 40Q 1992 – 1998 E40J 2003
Equivalent manufacturer part numbers
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Mercury/Mariner/Mercruiser | 43-83877M, 43-83877T, 83877T |
| Yamaha | 679-45560-00-00 |
Product Details
REC679-45560-00