1275085FA1 Suzuki SPROCKET,IDLER NO.2, Price: 165.87$, Weight: 0.544kg

Precision Idler Sprocket for Suzuki Timing Drive

This replacement idler sprocket is a key guide wheel inside the engine’s timing drive system. It’s needed to keep the timing chain running on the correct path, holding steady alignment between the crankshaft and camshafts. When this part is healthy, the chain tracks smoothly and the valve timing stays accurate ✅

How It Works

The sprocket sits on a fixed/controlled pivot point and provides a clean, toothed contact surface for the chain. It helps manage chain wrap and routing, reducing side-load and vibration. With proper hardness and tooth profile, it prevents chain “walking” and supports quiet operation ?

What Happens If It Fails

A worn or damaged idler sprocket can cause chain noise (rattle/whine), uneven chain wear, and timing drift. In severe cases the chain may jump a tooth, leading to misfires, poor power, check engine light, and possible internal engine damage ⚠️ Replacing it early protects the whole timing set.