Mercury - Manual-operation - 90-879288054 Mercury 175-200-225-300 3.4L V6 4-Stroke 100 & 300 Hour Maintenance Kits The extended release system allows

The extended release system allows it to remain effective for up to 3 months

Curved Tube has Solid End Plug with Deep Slots to assure long service and reliability

When you’re keeping older Yamaha four-strokes in good shape

With Premium Plus

Mercury Marine part number 859046M4

Mercury - Manual-operation - 90-879288054 Mercury 175-200-225-300 3.4L V6 4-Stroke 100 & 300 Hour Maintenance Kits The extended release system allowsThis product has been superseded by: 90 8M0053362 Manual operationWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.