This manual provides detailed instructions for tuning Mikuni HSR 42 45 48 carbs to match aftermarket parts that may be installed on your machine. It includes clear diagrams and text to help you achieve the best performance. Tuning your carburetor after installing aftermarket parts is crucial for maintaining optimal performance. Regular maintenance of your carburetor will ensure your machine runs at its best.
When re-tuning is necessary, it typically involves small adjustments to the idle and/or main system. The following pages offer sufficient information to make such adjustments relatively straightforward. Other carb manuals are also available.
