Yamaha Outboard Technical and Maintenance Information for You!
We receive this question many times a day. We wish it were as cut and dry as ordering the wrench listed in your service manual for your motor, but it’s not that simple. We’ve found that the caps used on motors from the factory don’t always match what is listed as the replacement on the […]
The rubber key cap snaps to fit over the end of the switch. The cover rotates with the key when starting and stopping a motor. If the rubber cap is dislodged and lost, or the cap remains on the key when the key is removed from the switch two problems can occur: Water and debris […]
Located above the water pump impeller on many two stroke and four stroke models, 115 hp~250 hp, there are two wave washers and a flat washer underneath a plastic spacer and metal retaining collar. These components minimize driveshaft movement, up and down, to quiet the knock sometimes heard at low speeds. They must be removed […]
Typically, there are two means of ensuring fasteners (screws, bolts, and nuts) to remain tight: Using the “elastic properties” of the fastener material to maintain clamping pressure Mechanically locking the fastener “Elastic properties”? That’s not something everyone stops to think about. Elasticity is the ability of material to deform (stretch) and return to its original […]
SIM Yamaha Parts Advisory: Yamaha 4-stroke Timing Belt Tensioner This advisory applies to all hydraulic timing belt tensioners that are used on Yamaha 4-stroke outboards, F150HP and up. Once the tensioner and timing belt are installed, DO NOT PULL AND REMOVE PIN. Use the same Allen wrench and procedure used to release the tensioner to […]
We have had many customers ask us how to remove the HPDI slip joint connector from the medium pressure fuel filter. Here it is! *Important* – Make sure you relieve the VST fuel pressure before attempting to change this filter! Visit the links below for the parts and tools shown in this video: Medium […]
In order to assist you with finding parts, or diagnosing an engine issue, we need to have good and complete information. Please make sure you have full motor model information, as well as boat or electronics information if applicable. Our site allows you to find parts by way of basic maintenance parts pages for each […]
Yamaha Extended Service – Y.E.S. provides genuine Yamaha factory backed protection in their nationwide service network. Repairs may be performed at any authorized Yamaha dealership in the United States. There are no repair deductibles and no paperwork. Yamaha works directly with your dealership, so you don’t have to file claims and wait for reimbursement. Y.E.S. […]