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Yamaha has and will continue to begin its limited warranty period at the time of registration for new outboard motors, for the first owner. Upon delivery, your outboard is inspected by the dealer and warranty registered online. Your limited warranty starts the day of registration, for your new outboard motor, regardless of the age of the engine.
Unfortunately, no. As explained in your Yamaha Outboard Limited Warranty Statement, your warranty coverage is provided for your outboard while it is used in the United States (but not U.S. Territories and also in Canada. If you need repairs while temporarily using your Yamaha in another country, contact the local authorized Yamaha distributor for that country. Yamaha will work with that distributor to make the needed repairs as quickly as possible. If you have to pay for a repair that you believe your warranty would have covered at home, present all repair orders, receipts, or other related documents to your local dealer when you return home. Your dealer will be able to contact Yamaha on your behalf to see if any refund can be provided. Be aware that your Yamaha model may not be sold in some countries. Therefore, a Yamaha dealer outside the United States or Canada may not have all of the replacement parts or technical information available to provide proper service. This may unavoidably delay repairs. Thank you for your understanding should this happen.

Your selling Yamaha dealership will register or transfer ownership of the Yamaha outboard(s) into your name.

New outboard motor warranty registrations must be completed by an authorized Yamaha dealership. Only a Yamaha dealer may perform the factory-specified Pre-delivery Inspection, which is a requirement for engine warranty registration. This inspection checks many important items, including that the engine(s) were rigged and are operating correctly. A Yamaha dealer is also in the best position to provide you with an explanation of operation and maintenance procedures.

If you purchase your Yamaha outboard(s) from a non-Yamaha dealership or from an individual, then contact your local Yamaha dealership for warranty registration or transfer of ownership. A Yamaha authorized dealership will need to evaluate the outboard(s) to verify that they are in normal running condition. There may be a charge for these services.

If you are having a problem with your registration or ownership transfer, or if you would like verification of warranty coverage, please contact the Yamaha Outboard Customer Support line at (866) 894-1626.

To verify warranty coverage, including the expiration date, you need your outboard’s Primary Identification number (PID #). Click here for information on how to find your PID #. By providing this number, you can ask any Yamaha outboard dealer to verify your warranty through their online dealer systems. You can also contact Marine Customer Support at (866) 894-1626 for verbal confirmation.

If you want to know if a particular problem is covered by the limited warranty, an authorized Yamaha dealer will need to diagnose the cause of the problem. If your dealer determines that the problem is due to a covered defect in materials, parts, or workmanship from the factory as spelled out in your outboard’s limited warranty statement, then warranty coverage can be provided.

Most boaters won’t have to worry about this, as there are only six states (Texas, Oklahoma, South Carolina, Utah, Ohio and Missouri) that require titling. Yamaha provides an MSO (Manufacturer’s Statement of Origin) with every outboard. The MSO will no longer carry a “model year” but will carry a production month/year for the outboard (ex. 04/2007). Because each titling state has different methods for titling outboards, please refer to your local title agency for the most up to date information regarding titling of outboards in the above mentioned states. Since most boat packages are valued in NADA , BUC and ABOS based on the make of boat and horsepower, not the specific year, make and model of the outboard, the production date of the outboard doesn’t matter. To put it most simply, the year of outboard manufacture printed on your title is simply a field used by the titling agency.

The length of your limited warranty depends on model and type of use.

Pleasure Use:

2.5hp – 350hp (F350 models A & B only) – 3-year limited warranty
XF425 & F350C – 5-year limited warranty

Commercial & Rental Use:

All four-stroke models – 1 year limited warranty.

All Yamaha outboards have and will continue to have a production date on the unit. A permanent appliqué is located on the starboard side of the outboard mounting bracket. The appliqué is stamped with the month/year of production for that outboard (ex. 04/18).
Since most boat packages are valued based on the horsepower of the engine, not the year, make or technology of the outboard, eliminating the model year of the outboard will not impact on value determination.
Corrosion is an unpleasant fact in the marine environment. While saltwater is particularly harsh, even operation in fresh water environments can cause corrosion. Stray electrical currents in the water around docks can increase the risk of corrosion. For that reason, your Yamaha limited warranty does not cover corrosion. Yamaha provides many levels of corrosion protection. Our Phaze 5 Paint Process provides a superb five-layer barrier against corrosion. Additionally our proprietary YDC-30 alloy melds aluminum, silicon, magnesium, and titanium for exceptional corrosion protection. We also use stainless steel extensively and provide oversized self-sacrificing anodes in multiple locations on your outboard. The result is Yamaha’s ultimate corrosion protection system – unsurpassed in the industry. For more information refer to your Owner’s Manual or to the Corrosion Prevention section of Maintenance Matters.
Yamaha’s limited warranty offers excellent protection against the cost of repairing factory defects. Naturally, however, the limited warranty does not cover normal maintenance and wear-and-tear items, such as spark plugs, fuel and oil filters, shear pins, propellers, hubs, water pumps, and anodes. See the limited warranty statement in the back of your Owner’s Manual for additional restrictions and complete terms and conditions.
There is a number on your original key. You should record this number in your Owner’s Manual in the space provided in the introductory pages in case you lose your key. You can use this number to request a new key from your dealer. If you do not have this number and you have lost your keys, your dealer can also locate the necessary number by disassembling the main switch on your boat.
There is no significant difference between outboards if they are the same model. (For example, an F150 is an F150, if manufactured yesterday or many months ago.) When Yamaha does make a substantial change to a current model (For example, the F9.9 family had a completely new block), the models would be renamed (i.e. F9.9MSH to F9.9FMSH) and reintroduced as a new outboard. The use of this new outboard designation will allow you to determine if you have the latest technology engine and to match technologies if you have twin engines. 
Please check the Current Model List for all current models in the Yamaha line up.
A Primary Identification Number (PID number) is the serial number of the engine. It can provide model type, drive shaft length and production number. The PID number can be found on the port side-mounting bracket of your Yamaha outboard engine. It will be printed on a rectangular sticker that will have 5-fields. The top row and first field provides the model name. The middle row and second, third, and forth fields will provide the PID number. From left to right, all three fields are needed for a complete PID number. The last row and fifth field is a factory facility code; where the engine was made.
Your Owners’ Manual has a list of boating organizations. You can also call the U.S. Coast Guard’s Boating Safety Hotline at 1-800-368-5647. Operators should take a boating safety course. This may be required in your state. Many of the organizations listed in your Owner’s Manual can provide information about courses in your area. You may also want to consider an Internet-based program for basic boater education. The Online Boating Safety Course, provided by the Boat U.S. Foundation, is approved by the National Association of State Boating Law Administrators (NASBLA) and recognized by the United States Coast Guard. Most, but not all, states accept this course to meet their minimum requirements. While it cannot replace an in-depth course such as one offered by the U.S. Coast Guard, U.S. Power Squadron, or other organization, this online course does provide a general overview of the basics in boating safety, requirements, navigation, and operation. Upon successful completion of the course, the user can download a certificate of completion immediately or, for a small charge, request one by mail. To take this free course, go to
Outboards do not change from one “Model Year” to the next; therefore a “Model Year” doesn’t communicate anything significant about the physical product. Yamaha introduces new products and upgrades to existing models on a continual basis instead of only at the traditional “model year change-over.” By eliminating the model year, Yamaha will be able to introduce new products (and upgrades) throughout the year, which means Yamaha will be better able to meet consumer needs now and in the future. Additionally, dealers and boat builders are now better able to carry adequate inventory throughout the year because they won’t have to slim down inventory in advance of a new “Model Year.” Therefore, there is a much better chance your dealer will have what you want, when you want it.