1990 Kawasaki ZX-9R 0.9L Petrol · S633 BBD
1990 Kawasaki ZX-9R (0.9L, petrol). First registered 31 Dec 1990. Recorded mileage 50,276 miles. MOT expired on 08 Feb 2024. Currently declared SORN.
- Make & Model
- KAWASAKI ZX-9R
- Year / Origin
- 1990 · Glasgow
- Safety Recall
- Unknown
- MOT Status
- Expired on 08 Feb 2024
- Road Tax
- SORN
- Recorded Mileage
- 50,276 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 0.9L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
S633 BBD Key Findings
- 3 MOT tests recorded
- Latest MOT passed on 09/02/2023
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
S633 BBD MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
3 MOT tests are recorded for this 1990 Kawasaki Zx-9R (S633 BBD) between October 2021 and February 2023.
The record contains 2 passes and 1 failure.
The most recent test on 09 February 2023 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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MOT Roadworthiness: Below Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
A reasonably well-maintained classic sportbike, but proceed with caution regarding suspension and exhaust wear. It is a viable purchase provided the recent lack of odometer readings is clarified.
Focus your negotiation on the suspension and exhaust system. The MOT history reveals a recurring theme of front shock absorber issues, including a total seal failure in 2016 and 'light misting' as late as 2018. Ensure the forks have been fully overhauled recently rather than just patched. Similarly, exhaust leaks were noted in both 2015 and 2018; check for corrosion or cracks in the headers and center section.
Request a full service history to see if the valve clearances have been checked, as this is critical for an 899cc engine of this age. Pay close attention to the brake discs; a distorted nearside front disc was flagged as an advisory for three consecutive years (2015-2016), so verify if these were ever replaced or if the bike still suffers from brake judder.
As a 1990 petrol-powered 899cc machine, fuel economy will be modest compared to modern standards. Insurance for a classic ZX-9R is generally affordable due to its age, though premiums will vary based on the rider's profile and the bike's perceived risk as a high-performance model.
Maintenance costs for a 35-year-old bike can be unpredictable. Expect higher spends on rubber components (tyres and seals) and potential exhaust repairs. Annual running costs, including tax, insurance, fuel, and basic servicing, are estimated to be moderate for a classic bike of this displacement.
Prioritise the front suspension. Given the history of oil leaks and seal failures (specifically the 2016 failure), check the stanchions for pitting or signs of fresh oil weeping. Inspect the exhaust system thoroughly for leaks, as this was a recurring advisory in 2015 and 2018.
Check the front brake discs for warping or distortion, referencing the 2015-2016 MOT advisories. Finally, inspect the tyres for age-related cracking (perishing) rather than just tread depth, especially since the bike has had several failures and advisories related to tyre wear over its lifetime.
This 1990 Green Kawasaki ZX-9R has seen a steady increase in use, rising from 12,740 miles in 2008 to 50,276 miles by 2021. The MOT history shows a bike that has been regularly tested, though it has struggled with front fork seal leaks and exhaust degradation over time. While it lacks recent mileage data from 2023, the historical record suggests a vehicle that has transitioned from a low-use collector piece to a more regularly ridden machine.
Aggregate data is unavailable for this specific model, but the individual history suggests a bike prone to typical wear-and-tear issues related to suspension and exhaust ageing.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
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