ISO 6855-2:2012 pdf download.Mopeds —Measurement method for gaseous exhaust emissions and fuel consumption — Part 2: Test cycles and specific test conditions.
3.2.2.2 Starting up the engine
3.2.2.2.1 Once the preliminary operations on the equipment for collecting, diluting, analysing and measuring the gases have been carried out, the engine is started up by means of the devices provided for that purpose, such as the choke, the starter valve. etc., according to the manufacturer’s instructions.
3.2.2.2.2 The first cycle begins when the taking of samples and the measuring of the pump rotations commence.
The choke shall be cut out as soon as possible and in principle before acceleration from 0 to 50 km/h. If this requirement cannot be met, the moment of actual cutout shall be Indicated. The choke shall be adjusted in accordance with the manufacturers instructions.
3.2.2.4 IdlIng
3.2.2.4.1 Manualshlft gearbox
3.2.2.4.1.1 During periods of idling the clutch shall be engaged and the gears in neutraL
3.2.2.4.1.2 To enable the accelerations to be performed according to the normal cycle, the vehicle shall be put in first gear, with the clutch disengaged, 5 s before commencement of the acceleration following the idling period in question.
3.2.2.4.1.3 The first idling period at the beginning of the cycle consists o16 sot idling in neutral with the dutch engaged and Ss in first gear with the clutch disengaged.
3.2.2.4.1.4 For the idling periods during each cycle, the corresponding times are I 6s in neutral and 5 s In First gear with the clutch disengaged.
3.2.2.4.1.5 Thu last idling period In the cycle consists of7 s In neutral with the clutch engaged.
3.2.2.4.2 Semi-automatIc gearboxes
The manufacturer’s instructions for driving in town or. in their absence, instructions applicable to manual gearboxes, shall be followed.
3.2.2.4.3 AutomatIc gearboxes
The selector shall not be operated at any time during the test unless the manufacturer specifies otherwise. In the latter case, the procedure for manual gearboxes applies.
3.2.2.2.1 Once the preliminary operations on the equipment for collecting, diluting, analysing and measuring the gases have been carried out, the engine is started up by means of the devices provided for that purpose, such as the choke, the starter valve. etc., according to the manufacturer’s instructions.
3.2.2.2.2 The first cycle begins when the taking of samples and the measuring of the pump rotations commence.
The choke shall be cut out as soon as possible and in principle before acceleration from 0 to 50 km/h. If this requirement cannot be met, the moment of actual cutout shall be Indicated. The choke shall be adjusted in accordance with the manufacturers instructions.
3.2.2.4 IdlIng
3.2.2.4.1 Manualshlft gearbox
3.2.2.4.1.1 During periods of idling the clutch shall be engaged and the gears in neutraL
3.2.2.4.1.2 To enable the accelerations to be performed according to the normal cycle, the vehicle shall be put in first gear, with the clutch disengaged, 5 s before commencement of the acceleration following the idling period in question.
3.2.2.4.1.3 The first idling period at the beginning of the cycle consists o16 sot idling in neutral with the dutch engaged and Ss in first gear with the clutch disengaged.
3.2.2.4.1.4 For the idling periods during each cycle, the corresponding times are I 6s in neutral and 5 s In First gear with the clutch disengaged.
3.2.2.4.1.5 Thu last idling period In the cycle consists of7 s In neutral with the clutch engaged.
3.2.2.4.2 Semi-automatIc gearboxes
The manufacturer’s instructions for driving in town or. in their absence, instructions applicable to manual gearboxes, shall be followed.
3.2.2.4.3 AutomatIc gearboxes
The selector shall not be operated at any time during the test unless the manufacturer specifies otherwise. In the latter case, the procedure for manual gearboxes applies.
