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MOT History from tests of petrol YAMAHA YSs year 2021

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

mot history
Pass percent:73.13%
(The average a petrol YAMAHA YS year 2021 passes without issue)
Based on:67 MOT Tests
Most common failuresNo# failures
Headlamp aim out of alignment6
Drive chain excessively loose (6.1.7 (c) (i))4
Drive chain worn to excess (6.1.7 (c) (i))2
Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii))2
Drive chain sprocket worn to excess (6.1.7 (c) (i))1
Wheel alignment incorrect which adversely affects the steering (2.4 (a))1
Handlebar excessively deformed (2.2.1 (c) (i))1
Motorcycle structure joining/attachment plate or fastening insecure Front mudguard (6.1.1 (b) (i))1
Headlamp insecure (4.1.1 (c))1
Front Brake lever has insufficient reserve travel (1.1.2 (a))1
Drive chain excessively tight (6.1.7 (k) (i))1
Front Brake grabbing severely (1.2.1 (c))1
Registration plate lamp issues1
Exhaust silencer likely to become detached (8.1.1 (b) (ii))1
Front Wheel bearing so rough it is likely to overheat or break up cant check bearing because of siezed brake (5.1.3 (b) (ii))1
Nearside Rear Drive chain so worn it is likely to fail (6.1.7 (c) (ii))1
Offside Front Shock absorber has a serious fluid leak (5.3.2 (b))1
Front Brake excessively binding (1.2.1 (f))1
Rear Stop lamp not working re attach spring to lever (4.3.1 (a) (ii))1
Front Position lamp not working (4.2.1 (a))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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