688-82560-10-00 Yamaha Thermo Switch 115HP | Genuine Used Part

🔧 Product Description

Genuine Yamaha Engine Overheat Thermo Switch Assembly - Part Number: 688-82560-10-00

A genuine used Yamaha temperature-operated warning switch for selected two-stroke outboard motors.

The switch is fitted to the cylinder head or cooling passage and closes or opens the overheat-warning circuit when engine temperature reaches its calibrated limit.

⚙️ Key Features

• Genuine used Yamaha thermo switch
• Correct OEM part number 688-82560-10-00
• Used on selected inline, V4 and V6 two-stroke engines
• Activates the overheat warning and protection system
• Simple temperature-operated on-or-off switch

🚤 Compatibility

Commonly used on

• Yamaha two-stroke cylinder-head overheat-warning systems
• Carburetted, EFI and selected HPDI engines

Typically suits

• Engine models:
• Yamaha 70HP and 75HP two-stroke
• Yamaha 85HP and 90HP two-stroke
• Yamaha 115HP and C115 two-stroke
• Yamaha 130HP two-stroke
• Yamaha 150HP, 175HP and 200HP V6 two-stroke
• Yamaha 225HP V6 two-stroke
• Selected HPDI models where switch 688-82560-10-00 is specified
• 1986 Yamaha 115ETJ
• 1987-1988 Yamaha 115HP and 130HP models
• Later 115TLR applications
• HP Range: Approximately 70HP - 225HP
• Engine Type: Yamaha two-stroke outboard
• Year Range: Approximately 1980s through the 2000s

🔌 Function

The switch monitors metal or coolant temperature at the cylinder head. When the calibrated temperature is reached, it activates the audible alarm and applicable engine-speed-reduction circuit.

⚠️ Common Signs of Failure

• Overheat alarm remains active when the engine is cold
• Alarm does not operate during an overheating condition
• Engine enters speed reduction intermittently
• Switch fails hot-water continuity testing
• Wiring insulation is damaged
• Connector terminals are corroded
• Switch is not seated correctly against the cylinder head

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 688-82560-10-00 current long-running Yamaha thermo-switch reference
• 688-82560-10 shortened service reference

OEM / Related Numbers

• 688-82560-10-00
• 688825601000
• 688-82560-10
• Related thermo-switch grommet, retaining plate and warning harness
• Related overheat buzzer and engine-speed-reduction circuit

Aftermarket / Verified Equivalents

• FridayParts: replacement thermo switch for 688-82560-10-00
• SAIL MARINE: replacement 688-82560-10 thermo switch
• WATERLONG: replacement 688-82560-10-00 thermo switch
• Aftermarket direct-replacement switches sold under 688-82560-10-00

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated