The newly updated EDL1 complete alternator replaces ALL the components of the Alternator and includes the rotor removal tool.

The stock output design includes a European made stator and rotor and paired with a slightly improved diode board using 60amp diodes (stock is 50amp). The system has a 105mm outside diameter stator (timing cover side) used on early BMW Airhead's from 1970-1976. This EDL1 charging system will improve the output of /5, and restore /6 systems to full ouput.

Vehicle Manufacturer: BMW
Application: BMW Airhead 2 Valve, Moto Guzzi with Bosch-style Charging System
Make/Model: BMW Airhead 2 Valve, Slash /5, /6 & R90S
Model Years: Slash /6 & R90S
Manufacturer #:

• BMW Rotor: 12 31 1 244 642 (240 watt / 17A ) , 12 31 8 002 347 ( 180 watt / 13 A )
• BMW Stator: 12 31 1 243 001
• BMW Diode Board: 12 31 1 244 062, 063
• BMW Voltage Regulator: 12 32 1 244 409

• Bosch Rotor: 0 124 033 027
• Bosch Stator: Fits Frame Label # 0 120 340 001, 0 120 340 002, 0 120 340 003, 0 120 340 006
• Bosch Diode Board: 0 197 002 001, 0 197 002 002, 0 197 002 003
• Bosch Voltage Regulator: N/A

• Moto Guzzi Rotor: 17712457
• Moto Guzzi Stator: N/A
• Moto Guzzi Diode Board: N/A
• Moto Guzzi Voltage Regulator: 29.70.38.01

Use the fitment table on the APPLICATION TABLE TAB BELOW to identify the correct kit size before ordering. You can measure the inside (timing cover side) and outside (stator frame side) diameter of your stator ring with calipers or use the BOSCH Alternator part number. Further instructions are included in the installation guide to verify the correct kit required.

Some customers report increased component failure when using LITHIUM Style batteries. These batteries are not recommended nor supported for warranty replacement of components. Conventional wet acid or sealed AGM (Absorbed Glass Mat) batteries are known to work well with all conventional charging systems. See our LITHIUM specific alternator EDL4Li for this alternative.

Review the Installation Guide, HERE.

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