| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | 1 Year |
|
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688-11111-02-1S
Head, Cylinder 1, Yamaha,
For Outboard: Yamaha 75, Yamaha 85
688-11111-02-94
Head, Cylinder 1, Yamaha,
For Outboard: Yamaha 50, Yamaha 75, Yamaha 85
688-11111-00-94, 688-11111-01-00/94
Head, cylinder 1, Yamaha,
used for repair and maintenance of Yamaha equipment.
| 1. Precision Engineering: Designed to high tolerances, the cylinder head ensures a tight seal with the engine block to maintain compression, which is essential for optimal combustion and power output. |
| 2. Heat Dissipation: The cylinder head incorporates cooling passages to manage the extreme temperatures generated during combustion, helping prevent overheating. |
| 3. Compact, Durable Design: Yamaha cylinder heads are engineered for durability and space efficiency, featuring a lightweight but strong construction that balances power with portability. |
| 4. Corrosion-Resistant Coatings: Marine-grade materials and coatings are often used to resist the effects of saltwater corrosion, extending the life of the component in harsh environments. |
| 1. Sealing the Combustion Chamber: The cylinder head provides a sealed environment where fuel and air mix and ignite, creating controlled combustion for power generation. |
| 2. Housing Valves and Spark Plugs: It contains intake and exhaust valves, which manage the flow of air and exhaust gases, as well as the spark plug, which ignites the air-fuel mixture. |
| 3. Cooling and Heat Management: The cylinder head includes coolant passages to regulate temperature and prevent overheating, ensuring stable engine operation. |
| 4.Optimizing Air and Fuel Flow: The design of the cylinder head influences the efficiency of air intake and exhaust flow, directly impacting fuel efficiency and power output. |
| 1. Regular Inspections: Check the cylinder head for any visible damage, corrosion, or leaks. Look for signs of coolant or oil leaks around the head gasket, which may indicate the need for maintenance. |
| 2. Cooling System Care: Regularly flush the cooling system and inspect coolant passages within the cylinder head. Keeping the cooling system clean helps prevent overheating. |
| 3. Monitor Compression Levels: A drop in engine compression can indicate wear in the cylinder head or gasket issues. Periodic compression tests can help detect problems early. |
| 4. Use Quality Fuel and Oil: Using high-quality fuel and oil minimizes carbon deposits and buildup within the combustion chamber, extending the life of the cylinder head. |
| 5. Proper Torque and Gasket Replacement: When removing or reinstalling the cylinder head, use the proper torque specifications and always replace the head gasket to ensure a secure, leak-free seal. |
| 1. Cracking: High operating temperatures can cause cracks in the cylinder head, leading to compression loss or coolant leakage. Visible cracks or a decrease in performance may signal this issue. |
| 2. Corrosion: Saltwater exposure can lead to corrosion if the cylinder head isn't properly maintained. Corrosion can weaken the metal and lead to coolant leaks or damage. |
| 3. Blown Head Gasket: A faulty head gasket can lead to leaks, decreased compression, and even mixing of oil and coolant. Signs include white smoke from the exhaust, milky oil, or engine overheating. |
| 4. Valve Wear: Valves housed within the cylinder head can wear over time, leading to poor sealing, loss of power, and increased fuel consumption. |
| 5. Carbon Buildup: Combustion can lead to carbon deposits on the cylinder head and valves, which can reduce performance and efficiency. |
| Bracket | 2-Stroke Power |
| YAMAHA 63V-43311-03-4D BRACKET, SWIVEL | 9.9/13.5/15HP |
| YAMAHA 63V-42511-04-4D BRACKET, STEERING | 9.9/15HP |
| YAMAHA 6B4-42511-00-4D BRACKET | 9.9/15HP |
| YAMAHA 682-42521-00-94 SHAFT, STEERING PIVOT | 9.9/15HP |
| YAMAHA 682-43311-07-4D BRACKET, SWIVEL | 9.9/15HP |
| YAMAHA 682-43111-05-4D BRACKET, CLAMP | 9.9/15HP |
| YAMAHA 682-43112-05-4D BRACKET, CLAMP | 9.9/15HP |
| YAMAHA 6B4-42131-00-4D COVER, HANDLE STEERING | 9.9/15HP |
| YAMAHA 663-44551-02-8D HOUSING, LOWER MOUNT RUBBER | 75/85/90HP |
| YAMAHA 6A1-43351-00 RECEIVER, THRUST | 2HP |
| YAMAHA 63V-44111-02 HANDLE,GEAR SHIFT | 9.9/13.5/15HP |
| YAMAHA 6B4-11111-01-94 HEAD,CYLINDER | 9.9/15HP |
| YAMAHA 6B4-41137-00-5B GUIDE,EXHAUST | 9.9/15HP |
| YAMAHA 6B4-41131-00-5B MANIFOLD, EXT. 1 | 9.9/15 HP |
| YAMAHA 663-45376-00 GUIDE, RUBBER SEAL | 25/30/40/50/60/70/75/90/115/150/175/200HP |
| YAMAHA 688-45375-00 DAMPER,SEAL | 25/30/40/50/60/70/75/80/85/90/100/115/130/140/150/170/200/220/225HP |
| YAMAHA 6H1-45215-00 COVER,WATER INLET 2 | 50/60/70/75/80/85/90HP |
| YAMAHA 6H1-45214-00 COVER,EATER INLET 1 | 50/60/70/75/80/85/90HP |
| YAMAHA 697-8252E-01-4D COVER, MAIN SWITCH | 55/60/75/80/90HP |
| YAMAHA 697-8252F-01-4D COVER,MAIN SWITCH | 55/60/75/80/90HP |
| YAMAHA 692-42121-01-4D BRACKET | 50/60/70/75/80/85/90HP |
| YAMAHA 66T-45311-01-4D CASING, LOWER | 40HP |
| YAMAHA 6AH-45311-00-4D CASING, LOWER | 9.9/13.5/15/20HP |
| YAMAHA 61N-45311-02-4D CASING, LOWER | 25/30HP |
| YAMAHA 63V-45311-01-4D CASING, LOWER | 9.9/13.5/15HP |
| YAMAHA 63W-42610-20-4D TOP COWLING ASSY | 9.9/13.5/15HP |
| YAMAHA 66T-42610-F1-4D TOP COWLING ASSY | 40HP |
| YAMAHA 69S-42610-20-4D TOP COWLING ASSY | 25/30HP |
| YAMAHA 6AH-42610-01-4D TOP COWLING ASSY | |
| YAMAHA 676-43613-00 ARM, TILT LOCK | 40HP |
| YAMAHA 676-44518-00 BRACKET COMP | 40HP |
| YAMAHA 6F5-43630-80 TILT LEVER ASSEMBLY | 40HP |
| YAMAHA 676-43160-02 TILT ROD ASSY | 25/40/48/50/55HP |
| YAMAHA 689-43160-00 / 682-43160-00 TILT ROD ASSY | 9.9/13.5/15/20/25/30HP |
| YAMAHA 663-44144-01 ROD,SHIFT | 48/55/75/80/85/90HP |
| YAMAHA 6H1-44144-00 ROD,SHIFT | 25/50/60/70/75/80/85/90HP |
| YAMAHA 688-44120-11 HANDLE GEAR SHIFT ASSY | 25/50/60/70/75/80/85/90HP |
| YAMAHA 688-44120-22 HANDLE GEAR SHIFT ASSY | 50/75/80/85/90HP |
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