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MOT History from tests of petrol HONDA CB400Ns year 1971

Review the list of common HONDA CB400N failures below or to perform a specific mot history check on your HONDA then use our popular KnowYourCar service

mot history
Pass percent:70.97%
(The average a petrol HONDA CB400N year 1971 passes without issue)
Based on:31 MOT Tests
Most common failuresNo# failures
Nearside Front Front shock absorber seal failed and leaking oil |2.3.3|2
Offside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h|2
Rear Stop lamp does not illuminate immediately a brake applies |1.3.1a|2
Offside Front Front shock absorber seal failed and leaking oil |2.3.3|1
Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a|1
Offside Front Footrest insecure |6.2.1a|1
Nearside Front Footrest insecure |6.2.1a|1
Front Front wheel spindle securing nut locking device missing |2.3.3a|1
Rear suspension has corrosion which reduces the strength of a load bearing member or its supporting structure. |2.4.A.2d|1
Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b|1
Front Front suspension assembly has an insecure fork brace |2.3.4d|1
Rear Brake locking device missing |3.2.A1e|1
Offside Front Front suspension assembly excessive wear or free play in a front suspension component |2.3.4|1
Rear Rear wheel bearings have excessive free play |2.4.A.2c|1
Headlamp aim out of alignment1
Drive chain excessively loose |6.2.1d|1
Rear Drive chain sprocket carrier worn to excess |6.2.1e|1
Nearside Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h|1
Front Brake component defective due to a deliberate modification which significantly reduces the original strength |3.1.5|1

We get to these numbers by trawling through over 1 billion MOT test results since 2004 and crunched the numbers. We remove anything to do with Tyres, as they are model independent and group together common non-model specific issues. We are trying to get to a picture of what models have what issues.

Please note: We take the data from the DVSA. This data is raw and can contain typos and spelling mistakes that garages may have entered while recording a MOT result. Specifically miss-match on names of models and makes. We are constantly cleaning the data so bear with the odd issue.

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