The Motion Pro Ratchet Spark Plug Wrench (Part No. 08-0147) is designed to facilitate the removal and installation of spark plugs in confined spaces, particularly on water-cooled 2-stroke engines. Its ratchet mechanism allows for efficient operation by flipping the wrench to reverse direction. Features: Fits standard 13/16 inch (21 mm) spark plugs Designed for limited-space applications on many water-cooled 2-stroke engines Ratchet mechanism works one way; flip the wrench over to reverse Cross Reference Numbers: 08-0147 Majority of our listings are for a direct replacement for your original part. Our parts are made of quality and are designed to meet or exceed the original OEM Standards. Our products are often a cost effective alternative to genuine OEM Parts. Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.