TECHNICAL SPECIFICATIONS OF 1800 ISZ WITH CNG/LPG
 ENGINE
Type 4 Cylinder OHC
Fuel CNG
Capacity 1817CC
Bore / Stroke  84/82 mm
Compression Ratio 8.5 : 1
Max. Power 75 HP at 5000 r.p.m.
Max. Torque 130 NM at 3000 r.p.m
Cooling Water cooled
 TRANSMISSION
Clutch Type Dry Disc(Diaphragm) 203mm dia
Gear Box 4 speed
Gear Ratio 1st       - 3.807
2nd      - 2.253
3rd       - 1.506
4th       - 1.000:1
Reverse - 3.402:1
Final Drive Ratio 4.875
Drive Rear
SUSPENSION
Front Independent suspension with torsion bar springs and Anti-roll bar with hydraulic telescopic double acting shock absorbers.
Rear Semi - elliptical leaf springs with hydraulic telescopic double acting shock absorbers.
BRAKES
Service Servo assisted dual circuit, hydraulic with 210.8mm dia, disc brakes on front wheels. 228.6mm dia treading trailing drum brakes on rear.
Parking Forward pull type through cables on rear wheels only.
 STEERING
Type Helical Rack and pinion
Overall Ratio 22.2 : 1
Turning Circle Dia 10.8 mtrs
 WHEELS
Wheel Size 4J X 15
Tyre size 5.90 X 15 - 6 PR (Crossply) 165 R 15 (Radial) / 165/80 R15(Radial)
 BODY
Type Unitised
No. of Doors 4
 ELECTRICALS
Battery 12 Volt, 55 Amp.
Alternator 12V , 40A
 DIMENSIONS
Length (Overall) 4325 mm
Width (Overall) (Cross ply/Radial tyres)1622 mm
Height (Overall) 1600 mm (Crossply tyres), 1593mm(Radial tyres)
Wheel Base 2464 mm
Ground Clearance 159mm(Crossply tyres),152mm(Radial tyres)
Kerb Weight 1104 Kg
GVW 1554 Kg
 FUEL CAPACITY
14 Kgs CNG, 5 Ltrs gasoline
Source : http://www.hmambassador.com/