2019 Kawasaki ER 400 DKF 0.4L Petrol · GV19 WKG

The Kawasaki ER-400 in question presents a largely stable roadworthiness profile, with the most recent MOT on 29 April 2026 at 5,729 miles passing without defects—a positive indicator of current compliance. The only serious issue on record, a fluid leak from the front shock absorber, was caught and rectified before the May 2025 test, suggesting the fault was addressed promptly. The absence of advisories or recurring minor defects in the latest two passes implies that routine maintenance has been prioritised, particularly for critical areas like brakes, tyres, and emissions. That said, the proximity of the final two tests—both in May 2025—hints at a deliberate correction of the suspension issue rather than a pattern of neglect. The vehicle’s mileage of 5,729 miles over seven years is unusually low, averaging just 818 miles annually, which may reflect either infrequent use or prolonged periods of disuse. The rapid accumulation of just 19 miles between the failed and passed tests in May 2025 (3,547 to 3,562 miles) suggests the shock absorber leak was the primary concern at that time, resolved before further riding. The gap between the 2024 and 2025 tests—419 miles over roughly 11 months—further supports the idea of light or intermittent use, though this could also mean the bike was stored between owners or used primarily for short, low-stress journeys. Such low mileage typically reduces wear on consumables, but it does not preclude the need for a thorough inspection of components that may have sat idle, such as seals, hoses, and suspension bushes. For a prospective buyer, the front suspension remains the most critical area to scrutinise, despite the leak being repaired. Check for any residual oil staining around the fork legs or signs of rebound damping inconsistency, as these could indicate lingering issues. The exhaust noise recorded in April 2024 (8.1.1 (a))—though not repeated—warrants inspection for loose or damaged mounting brackets, as even minor vibrations over time can lead to fatigue cracks. Given the bike’s age and the single serious defect in its history, a pre-purchase check should also include the brake system, particularly the pads and discs for uneven wear, and the chain and sprocket for stretch or corrosion. The absence of structural advisories or corrosion-related failures is encouraging, but a close examination of the frame, swingarm, and subframe welds for stress cracks or rust penetration is advisable, especially if the bike has spent time in damp conditions.