This standard specifies the test conditions, test mileage and mileage distribution, test content and methods, and test reports for reliability tests on motorcycles and mopeds. This standard applies to reliability tests on motorcycles and mopeds (except off-road vehicles and racing cars). GB/T 5374-1995 Reliability test methods for motorcycles and mopeds GB/T5374-1995 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Test method of reliability for motorcycles and mopedsSubject content and scope of application
GB/T 5374--1995
Replaces GB5374-85
This standard specifies the test conditions, test mileage and mileage distribution, test content and methods, and test report for reliability tests on motorcycles and mopeds.
This standard applies to reliability tests on motorcycles and mopeds (except off-road vehicles and racing cars). 2 Reference standards
GB/T5359.2
Terms of use for motorcycles and mopeds Vehicle performance GB/T5376
GB/T 5377
GB/T 5378
GB/T 5381
GB 5382. 1bzxz.net
GB 5382. 2
GB/T 5383
GB/T5384
GB/T 5385
GB/T 5386
GB/T 5387
GB 5466
GB5467
3 Test conditions
Method for checking the speedometer indication of motorcycles and mopeds Test method for fuel consumption of motorcycles and mopeds General rules for road tests of motorcycles and mopeds Test method for starting performance of motorcycles and mopeds Test method for braking performance of motorcycles and mopeds Braking distance Test method for braking performance of motorcycles and mopeds Braking force Test method for minimum stable speed of motorcycles and mopeds Test method for maximum speed of motorcycles and mopeds Test method for acceleration performance of motorcycles and mopeds Coasting test method for motorcycles and mopeds Test method for gradeability of motorcycles and mopeds Measurement method for rapid pollutants of motorcycles
Measurement method for noise of motorcycles and mopeds 3.1 General test conditions
Except for the road conditions and climatic conditions of the driving test, the rest shall comply with the relevant provisions of GB/T5378. 3.2 Road conditions
3.2.1 The road conditions of the driving test shall be:
a. a. Flat highway: in line with national first and second-class highways; b. Mountain highway: average longitudinal slope of the road surface is not less than 5%; b.
Gravel highway: in line with national third and fourth-class highways, c.
3.2.2 The test road should be selected with a small traffic flow, which is convenient for the vehicle speed and conducive to the safety of the test. 3.3 Climate conditions
There is no restriction on the climate conditions of the driving test (except for special provisions). Approved by the State Administration of Technical Supervision on November 16, 1995 and implemented on May 1, 1996
4 Test mileage and mileage distribution
GB/T 5374-1995
4.1 The total mileage of the reliability test is 6,000 km, including four parts: running-in mileage, inspection mileage, performance test mileage and driving test mileage. The distribution of driving test mileage on various types of road surfaces shall be as specified in Table 1. 4.2 The mileage of mountain roads and gravel roads can be adjusted by no more than 20% according to the specific situation. The mileage of flat roads shall not be changed.
4.3 The reliability mileage shall include 900km of night driving mileage. Light motorcycles are allowed to drive with lights on during the day instead. Table 1
Mileage distribution, %
Motorcycles
Flat roads
Mountain roads
Gravel roads
5 Test content and methods
5.1 Preparation before driving
Preparation before driving shall be carried out in accordance with Article 3.1 of GB/T 5378. 5.2 Running-in
5.2.1 Before running-in, the mileage indication value of the speedometer shall be checked in accordance with GB/T5376. Light motorcycles
5.2.2 Running-in shall be carried out in accordance with the provisions of GB/T5378. Faults found should be promptly eliminated and included in the fault statistics. 5.3 Inspection before main performance test
After running-in, maintenance should be carried out according to the product manual, and an inspection drive of no more than 50km should be carried out. 5.4 Main performance test
The main performance test should include the following contents: Starting performance test, carried out in accordance with GB/T5381; b.
Braking performance test, carried out in accordance with GB/T5382.1 and GB/T5382.2; Fuel consumption test, carried out in accordance with GB/T5377; Acceleration performance test, carried out in accordance with GB/T5385; Maximum speed test, carried out in accordance with GB/T5384; Climbing performance test, carried out in accordance with GB/T5387; Rapid pollutant measurement, carried out in accordance with GB5466; Noise measurement, carried out in accordance with GB5467;
Coasting test, carried out in accordance with GB/T5386;
Minimum stable speed test, carried out in accordance with GB/T5383. 5.5 Driving test
5.5.1 During the driving test, the vehicle shall be driven at a higher speed permitted by the product manual and road traffic management regulations while ensuring safety. The vehicle shall not slide.
5.5.2 During the driving process, the vehicle may be inspected, adjusted and maintained according to the product manual. All kinds of faults and replacement parts shall be included in the fault statistics.
5.6 Fault analysis and treatment
GB/T53741995
5.6.1 Faults generated during the test shall be analyzed in time, and the test shall be continued after the cause is found and measures are taken. 5.6.2 If a fault leads to related faults, the most serious fault shall be used to classify the faults. 5.6.3 When any of the following situations occurs during the test, the test shall be terminated and reported to the competent department in a timely manner: a. Driving safety cannot be guaranteed due to design and structure reasons; b. Fatal faults or frequent faults occur during the test, making the test impossible to carry out. 5.7 Test record
5.7.1 The main performance test shall be filled in according to the items listed in Table A1 of Appendix A (Supplement). 5.7.2 During the test, the faults that occurred shall be classified according to the terms of GB5359.2 and relevant documents, and filled in according to the items listed in Table A2 and Table A3 of Appendix A.
Test report
After the test, the results shall be sorted out and a reliability test report shall be prepared based on the test data. The reliability test report shall include the following contents:
Test purpose;
Test basis;
Test object;
Test conditions;
Test content and test results;
Test conclusion.
Starting performance, s
Braking performance
Maximum noise, dB(A)
Rapid pollutant content
Maximum vehicle speed, km/h
GB/T 5374—1995
Appendix A
Test record
(Supplement)
Main performance test record
Braking distance, m
Braking force, N·m
HC,10-6
Minimum stable speed, km/h
Economic speed fuel consumption, L/100km
Acceleration performance
Glide distance, m
Slope angle, (°)
Motorcycle model:
Engine number:
Tester:
Fault occurrence
Mileage, km
Components
Starting, s
Overtaking, s
Table A2 Reliability test Fault record table
Vehicle frame number:
Test vehicle number:
Driver:
Fault situation
Fault cause
Cause analysis
Test vehicle
Fault troubleshooting
Troubleshooting measures
Fault troubleshooting
Troubleshooting time
Fault responsibility
First mileage, km
First mileage, km
First mileage, km
Test end mileage, km
Average technical vehicle speed, km/h
Fault troubleshooting time, min
Sum of 1 to 3 types of faults
First fault mileage, km
Average fault interval mileage,km
Additional Notes:
GB/T 5374—1995
Table A3 Reliability Test Failure Summary Table
This standard was proposed by China National Automotive Industry Corporation. This standard is under the jurisdiction of the National Technical Committee for Automotive Standardization.
This standard was drafted by Shanghai-Eichu Motorcycle Co., Ltd. and the State-owned Jialing Machinery Factory. The main drafters of this standard are Lu Genxiang, Ge Jinxi, Ling Fayi, and Xing Cuiying. 3
Average value
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