Yamaha 7RH-12170-00-00 – Camshaft Assy 1

Yamaha 7RH-12170-00-00 – Camshaft Assy 1

Maximize engine timing precision and power delivery with the Yamaha 7RH-12170-00-00 – Camshaft assy 1. This genuine OEM camshaft assembly is engineered to control valve timing with precision, ensuring optimal airflow and combustion in your Yamaha engine. Whether you're rebuilding the top end or replacing a worn cam, this part is essential for restoring performance and maintaining factory specifications.

Key Features

OEM Yamaha Replacement – Built to exact Yamaha tolerances for seamless fit and function

Controls Valve Timing – Synchronizes intake and exhaust valve movement for peak efficiency

Durable, Heat-Treated Steel – Designed for long-term operation under high engine loads

Ready-to-Install Assembly – Includes camshaft components pre-assembled to reduce install time

Ideal Use Cases

This camshaft assembly is the perfect replacement during a valve train overhaul, top-end rebuild, or when resolving timing issues such as rough idle, misfires, or reduced power. It restores proper valve lift and duration—critical for clean combustion and smooth engine performance.

Why Camshaft Health Matters

A worn or damaged camshaft can throw off your valve timing, leading to poor engine performance, increased emissions, and long-term damage to the valve train. The Yamaha 7RH-12170-00-00 – Camshaft assy 1 ensures precise timing and optimal airflow, helping your engine run the way Yamaha intended—reliably and efficiently.

Frequently Asked Questions

What does the Yamaha 7RH-12170-00-00 – Camshaft assy 1 do?

It controls the timing of the intake and exhaust valves, ensuring they open and close at the correct intervals for efficient combustion and power output.

When should I replace the camshaft assembly?

Replace it if you notice symptoms like poor acceleration, engine ticking, misfiring, or abnormal valve wear. It's also a standard replacement during top-end rebuilds.

Is this camshaft pre-assembled?

Yes. It comes as a complete OEM assembly, making installation more efficient and reducing the risk of incorrect timing setup.