2020 WK Bikes Legend 0.1L Petrol · FV20 BVH

The WK Bikes Legend 125 is a learner-legal commuter that should return somewhere in the region of 90-110 mpg, making fuel costs minimal for typical use. Road tax for a sub-150cc petrol motorcycle is currently £26 per year, which is among the cheapest in any vehicle category. Insurance for a 125cc commuter typically falls into the lower groups, with annual premiums often between £300-£600 for a standard rider, though this varies significantly with age, location, and riding history.

Routine maintenance on a budget 125 is generally modest: an annual service including oil change, filter, and basic checks typically costs £100-£180 at an independent motorcycle workshop. The chain and sprocket replacement flagged in the 2025 MOT is the most significant likely expense, at around £150-£250 fitted. Brake pads and tyres are the other main consumables, with budget tyres available from around £60 each fitted for a 125. Parts availability for WK Bikes is reasonable through main dealers and online specialists, though not as comprehensive as Japanese or European marques.

Overall, a realistic annual running cost for a low-mileage commuter like this — covering fuel, tax, insurance, and maintenance — would be in the region of £800-£1,100. This assumes limited mileage (under 2,000 miles per year); higher-mileage use would push costs above this range, particularly for tyres and chain wear.

The most important area to inspect on this specific bike is the drive chain and rear sprocket assembly, which was flagged at the 2025 MOT with a loose chain, a worn cushion drive, and an excessively loose sprocket with a loose retaining nut. While the 2026 test passed cleanly, the rapid mileage progression between tests (only 48 miles between the 2025 and 2026 tests suggests minimal use) means wear may not have progressed far. Check the chain for tight spots, adequate tension, and adequate lubrication. Inspect the rear sprocket teeth for hooking or shark-fin wear, and verify the retaining nut is correctly torqued.

Given the exceptionally low mileage of just 5,194 miles over six years, storage-related issues warrant close attention. Inspect for corrosion on the exhaust, chain, brake discs, and any exposed steel components. Check the condition of the tyres — look for cracking, flat spots from prolonged standing, and the DOT date code on the sidewall; tyres older than five years should be replaced regardless of tread depth. Examine the fuel system for signs of stale fuel, and verify that the battery holds charge and starts the bike promptly. Brake calipers can seize on stored bikes, so check for smooth operation of both front and rear brakes.

General inspection points for any used 125 include verifying all lights, indicators, and horn function; checking the operation of the sidestand cut-out switch; and confirming the clutch and throttle cables operate smoothly without fraying. The 2023 MOT failure for a missing rear reflector is a trivial fix but worth noting — ensure the current reflector is present and correctly positioned. Finally, check the frame and swingarm for any signs of impact damage or repairs, particularly around the rear where the cush drive issues were noted.