✓Exact Cross-Reference Water Pump Rebuild Kit (692-W0078-02-00) Direct aftermarket replacement for Yamaha 2-stroke cooling systems. Replaces 692-W0078-02-00, 692-W0078-00-00, 692-W0078-01-00, 692-W0078-A0-00 and interchanges Sierra 18-3370. Includes 6-fin neoprene impeller, brass insert cup, wear plate, pump housing, gaskets, O-ring, woodruff key, and mounting bolts—match old kit bag stamp before ordering.
✓Fits Yamaha 60-90HP 2-Stroke Outboards Engineered for Yamaha 2-stroke 60/70/75/80/85/90 HP powerheads: 60TLR, 70TLR, 90TLR, C90TLR, B90TLR, C75, P75, E75, C80, C85 and related suffix variants (TLR/TLRC/TLRD/TJR/TJRV etc.).
✓Complete Housing-Included Overhaul Not just an impeller—this is a full lower-unit pump service set: pump housing + impeller + wear plate + insert cup + 2 gaskets + O-ring + woodruff key + bolts. Restores the stock cooling path on 60-90HP 2S blocks without buying the housing separately.
✓Fixes Overheat, Steam, & Weak Tell-Tale Resolves rising head temp, no tell-tale stream, impeller vane curl, and sand-grit wear that cooks the housing. 6-fin neoprene + brass hub restores correct coolant lift through the suction tube for reliable 60-90HP cooling.
✓Bench Rebuild in 20 Minutes Drop lower unit, remove 2 pump bolts, lift old housing, clean sealing face, seat new impeller (key aligned), torque bolts to 8 N·m, reassemble. Lightly grease O-ring with silicone. Run engine on hose 30 sec to purge air before lake use.