Technical specifications

The fuel system consists of a rear mounted fuel tank, a mechanical fuel pump and a Weber carburetor.

Carburetor type

• 1.3 dm HCS engines³ - Weber 2V TLDM
• CVH engines with a displacement of 1.4 and 1.6 dm³ - Weber 2VTLD

Air damper type: manual or automatic.

Fuel

Octane number - 95 RON

Fuel pump

The mechanical diaphragm pump is driven by the intermediate shaft eccentric.

Fuel supply pressure - 0.24-0.38 bar

Weber TLDM carburetor

idle speed:

• motors HSC 1.3 in.³ - 750±50 rpm
• motors CVH 1 4 in.³ - 800±50 rpm
• motors CVH 1.6 in.³ - 800±50 rpm

Increased idle speed - 2500 rpm.

Increased idle speed with automatic transmission - 1800-2000 rpm.

Options	First chamber	Second chamber
Mixing chamber diameter	23 mm	25 mm
Main fuel jet	90	122
emulsion tube	F113	F75
Air jet	185	130

Weber TLD carburetor

idle speed:

• motors CVH 1.4 in.³ - 800±50 rpm
• motors CVH 1.6 in.³ - 800±50 rpm

float level:

• motors 14 in.³ - 31.0±0.5 mm
• engines 1.6 in.³ without air conditioning - 31.0±0.5 mm
• engines 1.6 in.³ with air conditioning - 29.0±0.5 mm

Vacuum damper:

• motors 1 4 in.³ - 3.1±0.5 mm
• motors 1.6 in.³ - 2.7±0.5 mm

Increased idle speed:

• motors 1/4 dm³ - 1900±50 rpm
• motors 1.6 dm³ - 1750±50 rpm
• engines 1.6 dm³ with power steering - controlled by the module

Options	First chamber	Second chamber
Mixing chamber diameter:
— engines 1.4 dm3	20	22
— engines 1.6 dm3	21	23
Main fuel jet.
— engines 1.4 dm3	107	140
– engines 1.6 dm3 without air conditioning	115	140
– engines 1.6 dm3 with air conditioning	115	127
Emulsion tube:
— engines 1.4 dm3	F105	F75
– engines 1.6 dm3 without air conditioning	F105	F57
– engines 1.6 dm3 with air conditioning	F105	F71
Air jet:
— engines 1.4 dm3	195	170
– engines 1.6 dm3 without air conditioning	180	150
– engines 1.6 dm3 with air conditioning	185	125

Tightening torques

Fuel pump - 18 Nm