More cooling performance for the latest R1 generation

The Yamaha R1 and R1M RN32/RN49 (2015–2019) are among the most powerful superbikes in their class. The rev-happy crossplane engine, the modern Electronics, and the aggressive chassis geometry generate immense heat – especially during spirited road riding, racing setups, or track days.

The H2O Performance additional water cooler expands the factory cooling system with an additional, highly efficient cooling surface. The result: significantly more stable temperatures, increased thermal reserve, and full performance even when you really push your R1.

Key benefits at a glance

1. Significantly increased water cooling performance

• additional cooling surface for maximum heat dissipation

• noticeably lower water temperatures

• ideal for long turns, fast stints, and hot summer days

2. Perfectly tuned for R1 & R1M

• compatible with both models

• optimized for sporty production vehicles and racing setups

3. More thermal reserve

• protects against overheating

• prevents temperature-related performance drops

• keeps the engine within the optimal operating window

4. Noticeably higher reliability

• less thermal stress on engine, seals & cooling system

• clean and consistent engine characteristics

• optimal foundation for track day or race performance

Who is this additional kit perfectly suited for?

• Riders of the Yamaha R1 or R1M (2015–2019)

• Track day pilots & racetrack riders

• sporty street riders

• owners of tuned or performance-enhanced R1 models

• all those who require maximum temperature stability

⚙️ Technical Features

• High-performance auxiliary cooler to expand the OEM cooling system

• Racing fins with high flow and thermal efficiency

• Robust aluminum construction – lightweight & race-ready

• Perfect fit for R1 RN32/RN49 and R1M

• Complements the stock radiator, no complete cooling system upgrade required

• Ideal for street, sport use & track days

What you will immediately feel after installation

• more stable temperatures in every load range

• fewer temperature spikes at full throttle or long turns

• more consistent performance & smoother power delivery

• smoother engine operation and shorter recovery phases between sessions

• significantly more thermal safety for engine & Cooling

Your R1 runs cooler, cleaner, and noticeably more stable – a true performance upgrade.

Conclusion: Essential for sport-oriented R1 & R1M (15–19)

The H2O Performance auxiliary water cooler kit is one of the most effective temperature upgrades for the Yamaha R1 and R1M of the RN32/RN49 platform. More cooling power, more control, more safety – perfect for ambitious riders.

👉 Order now and give your R1/R1M the cooling boost it deserves!