(51) Pump Diaphragm for Solex Mikuni DIDTA carburetors for Mitsubishi Mopar Chrysler Dodge Plymouth

Solex
PM10819
9503269183534
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Pump Diaphragm for Solex Mikuni DIDTA carburetors as used mainly on American versions of compact Mitsubishi cars with 1.4, 1.6, 2.0 and 2.2 liter Chrysler engines.

Suitable for at least the following cars:

  • Dodge Arrow
  • Dodge Challenger
  • Dodge Colt
  • Plymouth Arrow
  • Plymouth Champ
  • Plymouth Sapporo

Might also fit the Japanese and European Mitsubishi versions:

  • Mitsubishi Celeste 1600
  • Mitsubishi Colt 1400
  • Mitsubishi Galant 1600
  • Mitsubishi Galant 2000
  • Mitsubishi Lancer 1200
  • Mitsubishi Lancer 1400
  • Mitsubishi Lancer 1600
  • Mitsubishi Sigma 1600
  • Mitsubishi Sapporo GSR 2000 Manual

It fits the following variations of the Solex Mikuni DIDTA carburetors:

  • Solex Mikuni 28-32 DIDTA-90
  • Solex Mikuni 28-32 DIDTA-91
  • Solex Mikuni 28-32 DIDTA-92
  • Solex Mikuni 28-32 DIDTA-93
  • Solex Mikuni 28-32 DIDTA-146
  • Solex Mikuni 28-32 DIDTA-147
  • Solex Mikuni 28-32 DIDTA-148
  • Solex Mikuni 28-32 DIDTA-190
  • Solex Mikuni 28-32 DIDTA-191
  • Solex Mikuni 30-32 DIDTA-192
  • Solex Mikuni 28-32 DIDTA-193
  • Solex Mikuni 28-32 DIDTA-194
  • Solex Mikuni 28-32 DIDTA-195
  • Solex Mikuni 28-32 DIDTA-196
  • Solex Mikuni 30-32 DIDTA-197
  • Solex Mikuni 28-32 DIDTA-210
  • Solex Mikuni 28-32 DIDTA-211
  • Solex Mikuni 28-32 DIDTA-212
  • Solex Mikuni 28-32 DIDTA-213
  • Solex Mikuni 28-32 DIDTA-214
  • Solex Mikuni 28-32 DIDTA-215
  • Solex Mikuni 28-32 DIDTA-216
  • Solex Mikuni 28-32 DIDTA-270
  • Solex Mikuni 28-32 DIDTA-271
  • Solex Mikuni 28-32 DIDTA-272
  • Solex Mikuni 28-32 DIDTA-273
  • Solex Mikuni 28-32 DIDTA-274
  • Solex Mikuni 28-32 DIDTA-275
  • Solex Mikuni 28-32 DIDTA-276
  • Solex Mikuni 30-32 DIDTA-190
  • Solex Mikuni 30-32 DIDTA-191
  • Solex Mikuni 30-32 DIDTA-192
  • Solex Mikuni 30-32 DIDTA-197

Required quantity per carburetor: 1

This is number 51 in the drawing.

Operating principles of the acceleration pump and the role of the diaphragm in this:

This diaphragm is activated by a lever that is connected to the throttle lever(s).

When releasing the throttle, a spring returns the diaphragm to its initial position and by doing so, it sucks-in fuel into the pump chamber, from the float chamber.
A one-way valve prevents this fuel from leaking back into the valve chamber.

When you then activate throttle, that same lever pushes the diaphragm inwards and the pressure that is thus created makes the fuel being squirted downstream with the main airflow through the pump jet.

This extra flow of fuel will prevent "fuel starvation" from occurring when the throttle is suddenly opened which allows large quantities of air being sucked into the engine.

When you then release the throttle again, the diaphragm is again pushed back by the spring, thus priming the pump chamber with a fresh supply of fuel and making it ready to repeat the procedure.

This is an excellent system that has been employed for decades by various makes of carburetors and applied to all kinds of applications.
So, not only Solex but also Weber, Pierburg, Zenith and Mikuni used this system with more or less identical operating principles.

However, to ascertain a flawless operation of this system, the diaphragm need to be in excellent condition.

The original diaphragms are now coming of age and are suffering from the ravages of aggressive modern fuels which causes the "rubberized textile" material to harden or even crack, causing erratic running of the engine and fuel leaks.

Replacing the diaphragm is then the only sensible option which is a rather simple operation.

A complete overview of our pump diaphragms for Solex carburettors can be found HERE.

(51) Pump Diaphragm for Solex Mikuni DIDTA carburetors for Mitsubishi Mopar Chrysler Dodge Plymouth

(51) Pump Diaphragm for Solex Mikuni DIDTA carburetors for Mitsubishi Mopar Chrysler Dodge Plymouth
(51) Pump Diaphragm for Solex Mikuni DIDTA carburetors for Mitsubishi Mopar Chrysler Dodge Plymouth
(51) Pump Diaphragm for Solex Mikuni DIDTA carburetors for Mitsubishi Mopar Chrysler Dodge Plymouth
(51) Pump Diaphragm for Solex Mikuni DIDTA carburetors for Mitsubishi Mopar Chrysler Dodge Plymouth
(51) Pump Diaphragm for Solex Mikuni DIDTA carburetors for Mitsubishi Mopar Chrysler Dodge Plymouth

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