Starter motor for petrol engine

Type designation		Bosch DW 12V 0 001 108 151
Rating	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	3300 80
Under load, 9 V	rpm A	1650 295
Under load, 7.5 V	rpm A	910 510
Lowest engagement voltage for operating solenoid	V	7