Water Pump Repair Kit – Fits Yamaha 2-Stroke 40-50HP (Replaces 6H4-W0078-00-00, Sierra 18-3429) Detroit Diesel Relieve tension by swiveling the

Relieve tension by swiveling the alternator or tensioner and slip the old belt off

25XD 25 2-Stroke 1980–1983 47-85089T7 AUS ser# 8073158 & Up Mercury/Mariner 25 (3-Cyl

It is designed to offer comparable performance

Align the crankshaft and camshaft timing marks according to your engine's service manual

Water Pump Repair Kit – Fits Yamaha 2-Stroke 40-50HP (Replaces 6H4-W0078-00-00, Sierra 18-3429) Detroit Diesel Relieve tension by swiveling theProduct Details This Water Pump Repair Kit Fits Yamaha 2 Stroke 40 50HP provides the essential components to restore your outboard's cooling system performance. It is designed for specific Yamaha 40HP (19841994), 50HP (19841987), Pro Series 50 (19871990), and P50 (19951996) models. The kit serves as a direct replacement for multiple OEM and aftermarket part numbers, including Yamaha 6H4 W0078 00 00, 6H4 W0078 01 00, 6H4 W0078 A0 00, and Sierra 18