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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
The new water pump design will allow you to feed your water inlet hose under the pipe and into the back of the cylinder giving you more room to fit your exhaust pipe
70HP & 75HP 1984-2019
Please check your existing dome size before ordering
TSR CR250 Billet Cases Direct OEM Replacement for 1992 to 2001 year models
with the squish clearance being tighter than stock and designed to be more detonation resistant with overall improved power through the whole rev range with multiple dome sizes to choose from to suit both pump and race gas applications
Yamaha 50 High Compression Billet Head Kit CR500 The new water pump designTSR Yamaha 50 Billet Engine Head Kit best bolt on mod you can do or your outboard Our billet head kit has increase cooling volume and improved heat dissipation, with the squish clearance being tighter than stock and designed to be more detonation resistant with overall improved power through the whole rev range with multiple dome sizes to choose from to suit both pump and race gas applications This is a direct bolt on kit with no other mods required.
