TATA Motors nano emax Owner's Manual - 1. Engine

98

IMPORTANT TECHNICAL INFORMATION

TECHNICAL SPECIFICATION

1. ENGINE

Model

: TATA 273 MPFI Bi-fuel 

(Gasoline/CNG)

Type

: 4 Stroke, water cooled, multipoint fuel

injection system, SOCH

No. of Cylinders

: 2, Inline

Bore / Stroke

: 73.5 mm x 73.5 mm.

Capacity

: 624 cc,

Max. Power

: 38 Ps @ 5500 rpm 

(GASOLINE)

33 Ps @ 5500 rpm 

(CNG)

Max. Torque

: 51Nm @ 4000 rpm 

(GASOLINE)

45 Nm @ 3500 rpm 

(CNG)

Firing Order

: 1-2

Engine Oil Capacity

: 2.2 Liters 

(Drain & Refill)

 /

2.5 Litres 

(Engine Overhaul)

Compression Raio

: 10.3 : 1

2. CLUTCH

Type

: Single plate dry friction diaphragm type

Outside diameter  of clutch lining : 160 mm

Friction Area

: 212 cm

2

3. TRANSAXLE

Type

: Synchromesh on all forward gears, sliding

mesh for reverse gear.

No. of gears

: 4 forward & 1 reverse

Gear ratios

: 1st

-

3.45

4th

-

0.838

2nd -

1.94

REV.

-

3.07

3rd -

1.26

Final drive ratio

: 4.5

Model

: TA 59 - 4/3.45 (4 Speed).