Page 201 - The Central Motor Vehicles Rules, 1989

RULE 115 THE CENTRAL MOTOR VEHICLES RULES, 1989 173

engine capacity less than 150cc
and vehicle maximum speed
more than 50 km/h but less than
100 km/h

Sub-Class 2.1 Engine capacity less than 150cc Part 1 Reduced Part 1 Reduced
and vehicle maximum speed Speed cold followed Speed cold shall be
equal to or more than 100 km/h by Part 1 Reduced 50% and
but less than 115 km/h Speed Hot Part 1 Reduced
Speed Hot shall be
or 50%
engine capacity 150cc and above
and vehicle maximum speed
less than 115 km/h
Sub-Class 2.2 Any engine capacity and vehicle Part 1 cold followed Part 1 cold shall be
maximum speed equal to or by Part 2 Hot 30% and
more than 115 km/h but less Part 2 Hot shall be
than 130 km/h 70%
Sub-Class 3.1 Any engine capacity, vehicle Part 1 cold followed Part 1 cold shall be
maximum speed equal to or by Part 2 Hot 25%;
more than 130 km/h but less followed by Part 3 Part 2 Hot shall be
than 140 km/h Reduced Speed 50% and Part 3
Reduced shall be
25%
Sub-Class 3.2 Any engine capacity and vehicle Part 1 cold followed Part 1 cold shall be
maximum speed equal to or by Part 2 Hot 25%;
more than 140 km/h followed by Part 3 Part 2 Hot shall be
50% and Part 3 shall
be 25%

2. The test procedure and driving cycles shall be as per United Nations
Economic Commission for Europe (UN ECE) Global Technical Regulation
(GTR)-2 incorporating Amendment 2, with preconditioning, soaking and
cold start on chassis dynamometer as specified above.
3. Vehicle preconditioning: Operated through the cycles prescribed as above.
4. Vehicle soaking: The vehicle shall be stored for not less than six hours and
not more than thirty-six hours prior to the cold start Type I test or until the
o C
engine oil temperature (T ) or the coolant temperature (T ) or the sparkplug
P
seat/gasket temperature (T ), only for air cooled engine, equals the air
temperature of the soak area.
5. Preparatory running before sampling is not required, sampling starts at T=0
second.
6. Break down of different parts of Worldwide Harmonised Motorcycle
Emissions Certification (WMTC) shall be as per the details given in
Annexure 5 of Chapter XIIIA of Ministry of Road Transport and
Highways/Central Motor Vehicles Rules/Type Approval
Procedure-115/116 (MoRTH/CMVR/TAP-115/116).