MOT History from tests of petrol HONDA 400FOURs year 1977

Review the list of common HONDA 400FOUR failures below or to perform a specific mot history check on your HONDA then use our popular KnowYourCar service

mot history

Pass percent:89.55%

(The average a petrol HONDA 400FOUR year 1977 passes without issue)

Based on:335 MOT Tests

Most common failures	No# failures
Headlamp aim out of alignment	10
Drive chain excessively loose \|6.2.1d\|	3
Offside Front shock absorber seal failed and leaking oil \|2.3.3\|	3
Steering movement excessively `notchy` with the wheel raised \|2.2.1b\|	2
Steering headbearing has excessive free play \|2.2.2\|	2
Horn not working \|1.7.3a\|	2
Rear Brake locking device missing \|3.2.A1e\|	2
Nearside Front shock absorber seal failed and leaking oil \|2.3.3\|	1
Rear Drive chain sprocket carrier worn to excess \|6.2.1e\|	1
Centre Rear suspension bearing has excessive free play \|2.4.A2a\|i\|\|	1
Front Brake caliper\|s\| insecure \|3.2.A1j\|	1
Rear Rear position lamp does not illuminate immediately when it is switched on \|1.1.3a\|	1
Brake fluid reservoir leaking hydraulic fluid \|3.2.B1e\|	1
Rear wheel bearings have excessive free play \|2.4.A.2c\|	1
Nearside Front Front shock absorber seal failed and leaking oil \|2.3.3\|	1
Riders seat insecure \|6.2.1a\|	1
Front Front wheel insecure \|4.2.3b\|	1
Rear wheel spindle securing nut locking device missing \|2.4.A.2b\|	1
Nearside Direction indicator flashing more than 120 times per minute \|1.5.1c\|	1
Direction indicators affected by the operation of another lamp \|1.5.1c\|	1
Front Headlamp at least one does not illuminate on dipped beam \|1.2.2a\|i\|\|	1
Front Riders seat insecure \|6.2.1a\|	1
Stop lamp does not illuminate immediately a brake applies \|1.3.1a\|	1
Nearside Rear Direction indicators not working \|1.5.1c\|	1
Drive chain excessively tight \|6.2.1d\|	1
Steering movement excessively `notchy` with the weight on the lower bearing \|2.2.1a\|	1
Brake hose excessively deteriorated	1
Nearside Rear Direction indicator not working \|1.5.1c\|	1
Exhaust excessively deteriorated \|7.1.1a\|	1
Exhaust is leaking and excessively noisey \|7.1.1b\|	1
Nearside Front Direction indicator not working \|1.5.1c\|	1
Nearside Steering lock stop ineffective \|2.1.3\|	1
Front Brake caliper\|s\| securing bolt\|s\| loose \|3.2.A1j\|	1
Locking device\|s\| not correctly fitted which may make the motor bicycle dangerous to ride \|6.2.1h\|	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.

Got suggestions? We’re improving this section all the time. If you have any suggestions, please let us know.

Most common failures	No# failures
Headlamp aim out of alignment	10
Drive chain excessively loose \|6.2.1d\|	3
Offside Front shock absorber seal failed and leaking oil \|2.3.3\|	3
Steering movement excessively `notchy` with the wheel raised \|2.2.1b\|	2
Steering headbearing has excessive free play \|2.2.2\|	2
Horn not working \|1.7.3a\|	2
Rear Brake locking device missing \|3.2.A1e\|	2
Nearside Front shock absorber seal failed and leaking oil \|2.3.3\|	1
Rear Drive chain sprocket carrier worn to excess \|6.2.1e\|	1
Centre Rear suspension bearing has excessive free play \|2.4.A2a\|i\|\|	1
Front Brake caliper\|s\| insecure \|3.2.A1j\|	1
Rear Rear position lamp does not illuminate immediately when it is switched on \|1.1.3a\|	1
Brake fluid reservoir leaking hydraulic fluid \|3.2.B1e\|	1
Rear wheel bearings have excessive free play \|2.4.A.2c\|	1
Nearside Front Front shock absorber seal failed and leaking oil \|2.3.3\|	1
Riders seat insecure \|6.2.1a\|	1
Front Front wheel insecure \|4.2.3b\|	1
Rear wheel spindle securing nut locking device missing \|2.4.A.2b\|	1
Nearside Direction indicator flashing more than 120 times per minute \|1.5.1c\|	1
Direction indicators affected by the operation of another lamp \|1.5.1c\|	1
Front Headlamp at least one does not illuminate on dipped beam \|1.2.2a\|i\|\|	1
Front Riders seat insecure \|6.2.1a\|	1
Stop lamp does not illuminate immediately a brake applies \|1.3.1a\|	1
Nearside Rear Direction indicators not working \|1.5.1c\|	1
Drive chain excessively tight \|6.2.1d\|	1
Steering movement excessively `notchy` with the weight on the lower bearing \|2.2.1a\|	1
Brake hose excessively deteriorated	1
Nearside Rear Direction indicator not working \|1.5.1c\|	1
Exhaust excessively deteriorated \|7.1.1a\|	1
Exhaust is leaking and excessively noisey \|7.1.1b\|	1
Nearside Front Direction indicator not working \|1.5.1c\|	1
Nearside Steering lock stop ineffective \|2.1.3\|	1
Front Brake caliper\|s\| securing bolt\|s\| loose \|3.2.A1j\|	1
Locking device\|s\| not correctly fitted which may make the motor bicycle dangerous to ride \|6.2.1h\|	1

MOT History from tests of petrol HONDA 400FOURs year 1977

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