Detailed Photos
Installation Instructions
Product Description
688-45631-01-00
Clutch, Dog, Yamaha,
For Outboard: Yamaha FT50, Yamaha 50, Yamaha 60, Yamaha 70, Yamaha 75, Yamaha 80, Yamaha 85, Yamaha 90, Yamaha F40, Yamaha F45, Yamaha F50
Features:
| 1. Toothed Design: The clutch dog has teeth or engagement lugs on either side, which interlock with corresponding teeth on the forward and reverse gears. This allows it to slide between gears and engage them as needed. |
| 2. Sliding Mechanism: It is mounted on the propeller shaft and slides back and forth to engage the forward or reverse gears, depending on the driver's input via the shift lever or control. |
| 3. Precision Machined: The clutch dog is carefully machined to ensure a smooth fit and function within the gearcase, with precise alignment to the gear teeth to minimize wear and maximize performance. |
| 4. Compact Size: Despite being a small part, the clutch dog plays an outsized role in the motor's gear system, and its robust design ensures durability under high loads and stress. |
Functions:
| 1. Gear Engagement: The primary function of the clutch dog is to engage the forward or reverse gears by sliding into place and interlocking with the gears' teeth. When the clutch dog engages a gear, power is transferred from the engine to the propeller, allowing the boat to move. |
| 2. Neutral Positioning: When in the neutral position, the clutch dog disengages both the forward and reverse gears, allowing the engine to run without spinning the propeller. |
| 3. Shifting: The clutch dog facilitates smooth shifting between forward, neutral, and reverse, allowing the operator to control the boat's movement. |
| 4. Power Transfer: Once engaged, the clutch dog ensures a secure connection between the engine and the selected gear, allowing efficient transfer of engine power to the propeller, and thus controlling the direction and speed of the boat. |
Maintenance Tips:
| 1. Regular Inspection: Periodically inspect the clutch dog and surrounding components for signs of wear, such as rounded teeth or damage to the engagement lugs. Over time, the edges of the teeth can become worn down due to the constant engagement and disengagement of gears. |
| 2. Proper Shifting: When shifting between forward and reverse, avoid doing so at high RPMs. Shifting too quickly or aggressively can cause the clutch dog teeth to wear down faster or chip, reducing its lifespan and leading to poor gear engagement. |
| 3. Lubrication: Ensure that the gearcase is properly lubricated with marine-grade gear oil. A well-lubricated gearcase reduces friction and wear on the clutch dog and other moving parts. |
| 4. Gear Oil Replacement: Replace the gear oil according to Yamaha's maintenance schedule to ensure that the clutch dog and gears remain properly lubricated. Contaminated or degraded oil can increase friction and accelerate wear on the clutch dog. |
| 5. Avoid Harsh Conditions: While the clutch dog is built to handle high forces, avoid excessive engine load or propeller strike, as these can cause stress on the clutch dog and gears. |
Signs of Clutch Dog Wear or Failure:
| 1. Difficulty Shifting: If you experience difficulty shifting between forward, neutral, and reverse, or if the motor hesitates to engage a gear, this could be a sign of a worn clutch dog. |
| 2. Grinding or Clicking Noises: A worn or damaged clutch dog may cause grinding or clicking noises when shifting, as the teeth may not be engaging smoothly with the gears. |
| 3. Slipping Gears: If the clutch dog is worn or damaged, it may not hold the gears in place, causing the engine to "slip" out of gear and lose propulsion. |
| 4. Loss of Power: A worn clutch dog may result in a loss of power transfer from the engine to the propeller, leading to reduced performance or inconsistent boat movement. |
More Products We Have:
| CLUTCH DOG / BALL |
2-Stroke Power |
| YAMAHA 650-45631-00 CLUTCH,DOG |
|
| YAMAHA 656-45631-00 CLUTCH,DOG |
25/30HP |
| YAMAHA 663-45631-00 / 6H4-45631-00 CLUTCH,DOG |
25/50HP |
| YAMAHA 664-45631-00 / 689-45631-00 CLUTCH,DOG |
20/25/30HP |
| YAMAHA 66T-45631-00 CLUTCH, DOG |
40HP |
| YAMAHA 682-45631-00 CLUTCH,DOG |
9.9/13.5/15HP |
| YAMAHA 688-45631-00 CLUTCH,DOG |
50/60/75/85/90HP |
| YAMAHA 6E0-45631-00 CLUTCH,DOG |
4/5HP |
| YAMAHA 6E5-45631-00 CLUTCH,DOG |
150/200HP |
| YAMAHA 6G1-45631-00 CLUTCH,DOG |
6/8HP |
| YAMAHA 6G5-45631-00 CLUTCH,DOG |
150/175/200/220/225HP |
| YAMAHA 6H1-45631-00 CLUTCH,DOG |
60/70/80/90HP |
| YAMAHA 93501-04011 BALL |
150/200/225/240/250/300HP |
| YAMAHA 93511-32027 BALL |
100/115/130/140/150/175/200/225HP |
| YAMAHA 93507-32009 / 93507-32031 BALL |
100/115/130/140/15/175/200/225HP |
| YAMAHA 93503-16003 / 93503-16010 BALL |
40/50/60/70/75/80/85/90/100/115/130/140/150/75/200/220/225HP |
| SUZUK 57621-94403 SHIFTER, CLUTCH DOG |
40HP |
| SUZUK 57621-96310 SHIFTER, CLUTCH DOG |
20/25/30HP |
Company Profile
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