Professional valve shim service tool from ASTA, designed for YAMAHA & SUZUKI.
Designed to support accurate valve-clearance service and shim-related maintenance.
Key Features
- Designed for valve-clearance and shim service
- Supports accurate workshop maintenance
- Technical application details are listed below
- Suitable for professional workshop use
Application & Technical Details
Designed to adjust valve clearance on Suzuki and Yamaha twin-cam models. It can hold the valve spring bucket down while removing the adjusting shims
Product Information
- Brand: ASTA
- Product code: A-MK456B
- Tool type: Valve shim service tool
- Application: YAMAHA & SUZUKI
Note: This is an aftermarket service tool and is not an original vehicle-manufacturer tool. OEM numbers, where listed, are provided for reference and identification purposes only.







