2018 Kawasaki ZR 900 DJF 0.9L Petrol · AS60 DEL

A defining feature of this 2018 ZR900 DJF's history is its single but serious brake failure at the 2022 test, where a fractured rear brake disc was classified as Dangerous, alongside advisories on a worn rear tyre and a worn but serviceable rear drive chain sprocket. The follow-up test eight days later saw the bike presented again with the same tyre advisory still recorded but no repeat brake disc defect, and subsequent tests in 2023, 2025, and February 2026 have all returned clean passes with no advisories whatsoever. That isolated dangerous failure is the only blemish on an otherwise unblemished record, and the absence of any further brake, tyre, or drivetrain advisories over roughly three and a half years suggests the underlying issue was addressed rather than symptomatic of broader component deterioration. Mechanically, the headline takeaway is that the braking and drivetrain systems have demonstrated stability since 2022, though the rear brake assembly warrants particular attention given its history of structural failure. The recorded mileage of 10,830 miles over an eight-year registration equates to an annual accumulation of around 1,350 miles, which is low even for a motorcycle of this type and points to either limited recreational use, short-season riding, or extended periods of standing. There are noticeable gaps in the testing history, with the 2023 test following the 2022 entry after only a single year, but a then roughly twenty-two month interval before the 2025 test and another eleven months to the February 2026 test, which can indicate periods of SORN status or simply irregular use. Low annual mileage on a motorcycle reduces wear on consumables such as brake pads, chain and sprockets, tyres, and suspension bearings, but it does increase the risk of standing-related deterioration, including brake disc corrosion, chain surface rust, fluid degradation in the brake and clutch master cylinders, and tyre sidewall cracking from prolonged static load. The fact that the 2022 advisories touched on exactly those standing-sensitive components (rear tyre wear, chain sprocket wear, brake disc fracture) lends additional weight to that consideration. For a prospective buyer, the priority inspection points are the rear brake disc and caliper assembly, given the documented fracture. On inspection, the rear disc should be checked runout-free with a dial gauge if possible, and visually scrutinised for any hairline cracks, pitting corrosion around the friction surface, or uneven lipping that could indicate heat damage or material fatigue. The rear brake caliper should be examined for smooth operation, free piston travel, and any binding or seizing tendencies, with the brake lever feel tested for a firm, progressive bite rather than a soft or spongy response that could indicate contaminated fluid or a sticking caliper. The rear tyre should be assessed for both legal tread depth and any signs of ageing such as sidewall cracking or flat-spotting from standing, while the chain and both sprockets should be checked for correct tension, adequate lubrication, and tooth profile, as the 2022 advisory noted sprocket wear that was not yet excessive. On a test ride, listen for any metallic scraping or graunching from the rear brake area under light application, which could indicate a partially seized caliper or pad backing-plate contact with a corroded disc surface. Pay attention to any rear-end instability or pulsing through the brake lever under firm stopping, as either could point to disc runout or recurring fracture. The chain should run quietly without tight spots that cause it to hop or jerk as the rear wheel rotates, and the suspension should feel controlled over uneven surfaces without clonks from worn linkages or top-yoke bearings. Given the low recorded mileage, the bike should also be checked for evidence of regular short journeys only, and consideration given to replacement of brake fluid, a thorough chain and sprocket inspection, and a tyre age check regardless of remaining tread, as these are the areas where standing-related deterioration most commonly manifests on a low-use motorcycle.