WANTED - Throttle position sensor

[RossM]

Mercury Marine part number 821664 SENSOR ASSY as used on the below models
2.5L (EFI)/(EFI-OFFSHORE)
225 (3.0L CARB)
225 (3.0L EFI)
225 MARATHON (3.0L CARB)
225 SEAPRO (3.0L CARB)
250 (3.0L EFI)
250XB (3.0L EFI)
300 (3.0L EFI) ProMax
300 (3.0L EFI) SuperMagnum

[Banana Shark Dave]

When mine went on my 225 opti, fair weather marine in Fareham had one on the shelf.