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Part Number: 6H3-85570-10-00
Ignition Coil Assy for Outboard Engines: Compatible with Yamaha 50, Yamaha 60, and Yamaha 70 HP models.
| 1. High Voltage Output: Designed to produce 20,000 to 50,000 volts for a strong ignition spark. |
| 2. Compact Design: Lightweight and engineered to fit seamlessly within the marine ignition system. |
| 3. Durability: Built to withstand high temperatures, vibrations, and harsh saltwater environments. |
| 4. System Compatibility: Supports direct or distributor-less ignition systems common in Yamaha outboards. |
| 1. Voltage Transformation: Converts low 12V battery power into high voltage required for spark generation. |
| 2. Efficient Combustion: Initiates the combustion process to ensure reliable engine starts and running. |
| 3. Precision Timing: Ensures sparks occur at the exact moment for optimal piston movement and performance. |
| 1. Regular Inspection: Check for wear, cracks, or housing damage if the engine misfires. |
| 2. Corrosion Control: Use dielectric grease on connections to protect against salt and moisture. |
| 3. Cleanliness: Keep the area around the coil free of debris to prevent overheating. |
| 4. Secure Connections: Periodically check that all wiring and connectors are tightly attached. |
| 5. Voltage Testing: Use a multimeter to verify correct voltage delivery if performance issues arise. |
| • Engine Misfires: Caused by incomplete combustion due to low voltage spark. |
| • Difficulty Starting: Weak coils often fail to ignite the spark plug during ignition. |
| • Reduced Fuel Economy: Faulty coils lead to inefficient fuel burning. |
| • Rough Idling/Stalling: Inconsistent spark delivery causes the engine to run roughly at low speeds. |
| • No Spark: Complete coil failure prevents the engine from starting entirely. |
| Product Description / Part Number | Applicable Horsepower |
|---|---|
| YAMAHA 63V-85540-01 CDI UNIT ASSY | 9.9/13.5/15HP |
| YAMAHA 66T-85540-00 CDI UNIT ASSY | 40HP |
| YAMAHA 688-85540-00 CDI UNIT ASSY | 50/75/85HP |
| YAMAHA 688-85540-16 CDI UNIT ASSY | 75/80/85/90HP |
| YAMAHA 695-85540-11 CDI UNIT ASSY | 9.9/15/20/25HP |
| YAMAHA 6A1-85540-00 CDI UNIT ASSY | 2HP |
| YAMAHA 6E5-85540-12 CDI UNIT ASSEMBLY | 115/130/140HP |
| YAMAHA 6H2-85540-12 CDI UNIT ASSY | 50/60/70HP |
| YAMAHA 61N-85540-13 CDI UNIT ASSY | 25/30HP |
| YAMAHA 61A-81950-01 RELAY ASSY | 150/250HP |
| YAMAHA 6H1-81950-00 RELAY ASSY | 25/40/50/60/70/75/80/85/90HP |
| YAMAHA 63P-81950-00 RELAY ASSY | 20HP to 300HP Range |
| YAMAHA 6G1-81941-10 STARTER RELAY ASSY | 6/8/9.9/15/20/25/30/40/50/75-90HP |
| YAMAHA 6H2-81960-10 RECTIFIER & REGULATOR | 40/50/60/70HP |
| YAMAHA B8HS-10 / 94701-00160 SPARK PLUG | 25HP to 175HP Range |
A1: This ignition coil is specifically designed for Yamaha 2-stroke outboard engines with 50HP, 60HP, and 70HP power ratings.
A2: The coil is manufactured using high-quality rubber for insulation and durable copper wire for efficient electrical conductivity.
A3: Common signs include engine misfires, difficulty starting the motor, poor fuel efficiency, and rough idling or stalling at low speeds.
A4: Yes, it features a durable, sealed design specifically built to withstand high vibrations, humidity, and saltwater corrosion typical of marine applications.
A5: Its main job is to transform the low voltage from the battery into the high voltage (up to 50,000V) necessary to create a spark at the spark plug for engine combustion.
A6: We recommend regular inspections for cracks, keeping the area clean of debris, checking for corrosion on terminals, and applying dielectric grease to protect the connections.
