Convenient and economical -------Refer to OEM number: 6F5-85570-10 6F5-85570-11 6F5-85570-12 6F5-85570-13. Manufactured to OEM part numbers and perfectly matched to your model. If you are not sure about the model specification, please check first to avoid mismatch. Compatible With -------This Outboard Engine Ignition Coil- marine edge is designed to be compatible with Yamaha 9.9-40hp 2 and 4 stroke engines. For a more precise fit and to better meet your needs. Please feel free to contact us for any questions about outboards. Excellent Materials ------- is made of high quality rubber and ABS, sturdy, corrosion resistant and durable . The speedboat repair tool is of the latest design, giving you a silky smooth feeling when using it. Easy to install ------- Its small size and weight lightweight make it easy to carry and store. It is perfect for replacing or repairing damaged and worn outboard motors, helping to improve the performance of outboard motors. However, we recommend professional installation Excellent Performance ------- Manufactured to exacting OE standards, professional and practical coils improve combustion efficiency and electrical performance. Improves the performance of your vehicle for your additional needs.