Outboard Ignition Switch - Push to Choke - 3 Position | Sierra MP52000

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Outboard Ignition Switch with Push to Choke Off/Run/Start - 3 Position | Sierra MP52000

Sierra Outboard Ignition Switch with Push to Choke Off/Run/Start - 3 Position | Sierra MP52000

Sierra Marine's replacement engine components are manufactured to meet or exceed OEM requirements. This ignition switch provides maximum corrosion protection and features a non-conductive glass-filled polyester housing that helps eliminate potential shorts. It also features an inner seal between the cylinder lock and contact plate.

Mercury Outboard Ignition Switch - 3 Position
Replaces Mercury part number 87-88107A5
Push to choke
Polyester construction with plastic hex face nut
6 Mercury color coded wire lead connections
5/8 in. maximum panel thickness
7/8 in. hole size
Ignition rating 15 amps @ 12 volt DC
Solenoid rating 30 amps @ 12 volt DC
Choke rating 7 amp @ 12 volt DC

Additional Information

SIERRA has a 58-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. In 2022, we expanded the scope of the SIERRA brand to include a wide range of products for the aftermarket boating business, as well as products for land-based applications.

The SIERRA brand encompasses the full SIERRA Marine product lines, as well as expansive marine brands formerly known as Shields and Moeller. The new SIERRA Brand umbrella will also include the Prime Line brand for ATV/UTV and outdoor power equipment markets, along with additional aftermarket parts and accessories for land-based applications.

A Global Brand

In all markets for land and sea, the SIERRA brand stands for time-proven aftermarket products, built with quality and backed by the industry’s leading customer support and service. We are continuously innovating new products and technologies to anticipate and solve customer needs.

One of the most important aspects of owning a boat is keeping the engine well-maintained. Whether you own a new Mercury® Outboard or an old OMC® Sterndrive, Sierra Marine offers a vast selection of boat parts to keep you moving. A properly running engine is essential for a safe and enjoyable boating experience. Luckily, with a little bit of regular care, it's easy to keep your boat engine in good shape.

A FEW THINGS TO KEEP AN EYE ON:

FUEL LINES

Check your boat's fuel lines regularly for cracks, leaks or other damage. Today's fuel can be hard on fuel systems. Regular checks can ensure that you do not run into any issues when you least expect them. If you notice any damage, replace the fuel line immediately.

PRIMER BULBS

Check the primer bulbs on your engine before each use. Similar to fuel lines, primer bulbs may suffer from exposure to Ethanol based fuel. A quick replacement of an old primer bulb is a simple way to eliminate any potential problems. If the bulb is hard or cracked, replace it.

FUEL FILTERS

It's also important to check and replace your fuel filters regularly. Clogged or dirty fuel filters can cause all sorts of problems, including reduced engine power and poor fuel economy. Fuel water separating filters take engine protection to another level by removing water deposits that might enter the fuel system. Sierra's fuel water separating filters are a perfect solution for a fuel filter replacement.

SPARK PLUGS

Inspect your spark plugs yearly and clean or replace them as needed. Carbon build up on the electrodes limit the spark plug's ability to efficiently produce a spark. This could cause you to experience reduced gas mileage, poor acceleration, hard starts, engine misfires and rough idling. Checking your plugs in the spring to ensure they are ready for boating season and can possibly help identify hidden problems within your engine. This is an important step in keeping your engine running at peak performance.

OIL

One of the most important things you can do for your boat engine is to change the oil regularly. Check the oil level in your engine every time you take the boat out for the day. If it's low, add more oil. Also, keep an eye on oil quality. Using a high quality engine oil offered on sierraparts.com you can be sure that you are giving your engine the best protection against the harsh marine environment. If the appearance of the oil turns milky in color, this could indicate that you have water intrusion into your engine and should be addressed immediately. Be sure to check your owner's manual to find out what type of oil is best for your engine.

GEAR LUBE

Another important aspect of boat engine maintenance is changing the gear lube. Your lower unit has several gears that rely on quality gear lubes to minimize friction and overheating. Over time, lower units can become susceptible to leaks and allow water to enter, and mix with the gear lube. This will greatly reduce the gear lube's ability to maintain proper lubrication and protect your gears from damage. Regular inspection can help you identify leaks early and reduce repair costs. This should be done according to the manufacturer's recommendations.

BATTERY

Boat batteries are essential for starting your engine and powering accessories. Most marine batteries are lead-acid batteries and require special care. Check the battery regularly for corrosion on the terminals, which can be cleaned with a mixture of water and baking soda. If the battery is more than three years old, it's probably time to replace it.

KEEP YOUR ENGINE HAPPY

By following these tips, you can help keep your boat engine in good working order. Regular maintenance will prolong the life of your engine and help ensure that it runs smoothly when you need it.

If you have any questions about boat engine maintenance, or if you need help troubleshooting an issue, feel free to contact us at sierraparts.com for more information.