The 38 mm Preload Steering Stem Wrench Spanner (Factory Links SWN-Z-001) is a workshop tool for setting steering stem preload accurately, allowing clean, controlled adjustment of steering column preload nuts without damage to the nut or surrounding components.Features Adjusts steering stem preload accurately without hammers or guesswork Secure engagement designed to avoid damage to preload nuts and surrounding hardware Provides controlled adjustment for steering setup, maintenance, suspension tuning, and race-day changes Suitable for repeated workshop use Part of a multi-size range for Japanese motorcycles Specifications 38 mm size Stamped steel construction Vehicle Fitments Kawasaki KLX 450 R (2008-2019) Kawasaki KX 125 (1992-2005) Kawasaki KX 125 A (1978-1981) Kawasaki KX 250 (1974-2007) Kawasaki KX 250 (1974-2026) Kawasaki KX 250 50th Anniversary (2024-2024) Kawasaki KX 250 F (2004-2018) Kawasaki KX 250 X (2021-2026) Kawasaki KX 250 XC (2021-2021) Kawasaki KX 450 (2019-2026) Kawasaki KX 450 50th Anniversary (2024-2024) Kawasaki KX 450 F (2006-2018) Kawasaki KX 450 SR (2022-2026) Kawasaki KX 450 X (2021-2026) Kawasaki KX 500 (1983-2004)