Gates CHK125 Engine Timing Chain Kit

Gates Timing Chain Kit for Mini Cooper

The Gates CHK125 timing chain component kit is built for Mini Cooper and Mini Cooper Countryman applications that need a complete engine timing service. It combines steel chain construction with matched timing components to support accurate valve timing and dependable engine operation.

Gates Timing Chain Component Kits are part of a product line focused on OE-style timing drive service. For the CHK125, Gates applies its timing system experience to deliver components that meet or exceed original equipment standards in fit, function, and performance.

Key Features

• Part number CHK125 for direct reference and catalog lookup
• Steel timing chain with bush-type chain design
• Steel camshaft sprocket material for timing drive durability
• Timing chain guides included
• Tensioner included
• Drive sprocket included
• Contents include timing chain, tensioner, 3 guides, 2 sprockets, and bolt
• Chain pitch: 8 mm
• Chain width: 10 mm (.4 in)
• Pin quantity: 144

Detailed Description

The Gates CHK125 engine timing chain kit is engineered for timing chain service on 2007-2012 Mini Cooper and 2011-2012 Mini Cooper Countryman models. It is a practical choice when replacing worn timing drive components in Mini Cooper timing chain repair jobs, especially when the chain, guides, tensioner, and sprockets need to be serviced together. This part cross-references Monroe Shocks & Struts (e.g., 3-1056S, 9-0773S) for the same application.

What It Helps Fix

• Timing chain noise from worn chain or guides
• Engine timing irregularities caused by stretched chain components
• Rough running related to timing drive wear
• Loss of synchronization between camshaft and crankshaft timing components
• Service issues tied to aging tensioner or sprocket wear

Installation Notes

Install CHK125 during a complete timing service and verify all timing marks before engine start-up. Inspect related timing drive surfaces, seals, and fasteners during disassembly, and confirm the chain, guides, tensioner, and sprockets are seated correctly before final assembly. Use the vehicle service manual for torque values and timing procedures specific to the engine.

Quality Assurance

Gates builds timing drive components for original equipment and replacement markets, and this kit is produced to meet or exceed OE standards in function, fit, and performance. The CHK125 is intended for direct replacement use on listed Mini Cooper and Mini Cooper Countryman applications.