2021 Zontes ZT 125-G1 0.1L Petrol · KM71 ABN

The defining mechanical story on this Zontes 125 is a clean and consistent MOT record over the two most recent tests, with only mild drivetrain wear notes appearing on the latest pass dated March 2026. That test was recorded as a PASS with two advisories concerning the drive chain, while the prior test in March 2025 also passed with no defects recorded. The absence of any failures, dangerous defects, or suspension, brake, lighting or structural advisories across both examinations indicates a vehicle that has maintained its roadworthy condition steadily rather than showing any progressive deterioration in key safety systems. The 2026 chain advisories are the first and only wear-related notes in the recorded history, and they sit at the lower end of the advisory scale, suggesting that the secondary drivetrain components are now entering the early stages of routine service rather than signalling any chronic neglect. Against a five-year age bracket, 21,456 miles represents notably light use, averaging roughly 4,291 miles per year. This is considerably below the typical annual accumulation for a commuter or training machine in this displacement class, and the mileage progression between the two recorded tests aligns closely with that modest figure. Low annual mileage of this nature reduces wear on internal engine components, brake friction material and suspension bushes, but it can place additional stress on items that degrade through age rather than use. Stand periods accelerate corrosion on ferrous components, dry out rubber seals, and allow lubricants to settle within gearboxes and chain links, which is directly relevant given the chain advisories now appearing on the record. For a prospective buyer, the priority areas to inspect are the final drive system and any corrosion-prone ferrous components around the lower frame, swingarm and chain guard. The two chain advisories from the March 2026 test indicate that slack and sprocket wear should now be at the top of the inspection list. On a test ride, listen for a metallic whine or a rhythmic clicking from the chain area, and feel for any hesitation or jerking under steady throttle that could indicate stiff chain links binding on the sprockets. Check that the chain has roughly 20 to 30 millimetres of total vertical play at the midpoint between the sprockets, and inspect the rear sprocket teeth for the classic hooked or shark-fin shape that confirms the chain and sprockets need replacement as a matched set. The front sprocket cover should also be removed to confirm the front sprocket is in similar condition. Beyond the chain, attention should focus on the secondary symptoms of low-mileage storage. Inspect the front and rear brake discs for surface rust that has not cleaned off during normal use, as light riding may not be enough to keep the friction faces bright, and confirm that the calipers are releasing fully without any binding that could leave the pads dragging. Examine the exhaust downpipe and mounting lugs for rust blooming, check that the side stand and centre stand springs return crisply without hesitation, and verify that the fork stanchions are free of pitting or corrosion staining above the dust seals. During the road test, pay particular attention to steering return from full lock, front fork dive consistency under braking, and any clunks or knocks from the swinging arm or suspension linkages over rougher surfaces, as lightly used components can oxidise internally and present with stiffness or noise once load is reintroduced.