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Starter motor in a 4-cylinder engine

Starter motor in a 4-cylinder engine


Type designation



Bosch DW 12V 0 001 108 171

Bosch DW 12V 0 001 108 184

Power

kW

1.4

No. of teeth on starter motor pinion



9

Number of teeth on ring gear



135

Ratio engine/starter motor



15:1



Test values

Not under load, 12 V

rpm

A

2550

70

Under load, 9 V

rpm

A

1390

310

Under load, 7.5 V

rpm

A

710

560

Lowest engaging voltage for

the solenoid switch



V



7.5