Engineered Marine Products 57-57013 Timing Belt for Yamaha F300 F350 5.3L Outboard

The Engineered Marine Products 57-57013 is a precision-engineered timing belt designed specifically for Yamaha high-horsepower V8 outboard motors. This critical engine component ensures proper synchronization between the crankshaft and camshafts, maintaining precise valve timing for reliable performance and preventing catastrophic engine damage.

Compatible Applications:

• Yamaha F300, LF300 (5.3L) - 300 HP (2007-2009)
• Yamaha F350, LF350 (5.3L) - 350 HP (2007-2009)
• Yamaha F350A, LF350A (5.3L) - 350 HP (2010-2011)
• Yamaha F350, LF350 (5.3L) - 350 HP (2012-2015)
• Yamaha F350C, LF350C - 350 HP (2016-2018)

Key Features:

• Manufactured to meet or exceed OEM specifications for direct replacement fitment
• Constructed from high-durability materials resistant to heat, oil, and marine environment contaminants
• Fiberglass tension member provides excellent flex characteristics and elongation behavior
• Positive slip-proof engagement ensures reliable power transfer
• Direct OEM-style fit requiring no modifications for installation

Regular timing belt inspection and replacement is essential preventive maintenance for these high-performance outboard engines. Most manufacturers recommend inspection every 100 hours of operation and replacement at 5 years or 1000 hours of use, whichever comes first. Replacing the timing belt at proper intervals is inexpensive insurance against engine failure that could result in extensive valve damage.

This timing belt replaces Yamaha OEM part numbers 6AW-46241-00-00 and 6AW-W4624-00-00, as well as Sierra part number 18-15139.