IMFsoft BMW R50/2 R69S Engine Control Unit User Manual

Table of Contents

IMFsoft-BMW-R50-2-R69S-Engine-Control-Unit-product

Frequently Asked Questions

Q: Can I adjust the ignition maps in the ECU MASTER LITE?
- A: Yes, the software loaded in the unit is set to default, and you can adjust the ignition maps if you wish.
Q: What should I do if I encounter difficulties during installation?
- A: If you face any challenges during installation, please contact our support team at info@imfsoft.com or call +420 596 611 977 for assistance.

Ignition Kit Mounting Instruction Manual

BMW R50 to R69S made between 11/1955 to 09/1969

IMFsoft-BMW-R50-2-R69S-Engine-Control-Unit-fig-1

INSTRUCTIONS for variant „+“ on a motorcycle frame

IMFsoft-BMW-R50-2-R69S-Engine-Control-Unit-fig-2

Turn the ignition off or disconnect battery
2. Remove old hammer board, hammer cam and its cabeling see Picture.2
3. BASE with PVL IGNITION COIL (part 2,10,12)
4. ount PVL IGNITION CABLE (part 6) to PVL IGNITION COIL (part 2) and spark plugs
Mount Trigger-Wheel Holder (part 4) to the original camshaft position – use Screw M8
Mount Trigger-Wheel (part 5) directly on Trigger-Wheel Holder (part 4)
Mount Pick up Sensor (part 3) to IGNITION BASE (part 10)
Tune space between Pick up sensor (part 3) and Trigger tooth (part 5) around 0.2-0.3 mm Pick up Sensor Tightening torque up to 2 Nm!
Tune Trigger tooth angle (part 5), picture 4 shows the cylinders position at the TDC
Mount IGNITION HOLDER and MASTER LITE (part 1,11,12)
Connect Pick up Sensor (part 3) to unit MASTER LITE – pin PA and G, picture 3 and 5
Connect Red wire (part 8) to ECU MASTER LITE – pin „+“ and PVL COIL „+“ pole to alternator case („+“ pole on a motorcycle frame).
Connect Black wire (part 7) to ECU MASTER LITE : pin G to original Switchbox („+“ pole on a motorcycle frame).
Connect White wire (part 9) from ECU MASTER LITE : pin 1OB or 1OA to PVL COIL „-“
Turn the ignition ON or reconnect battery, turn the fuel ON
Software loaded in the unit is set to default, you can adjust the ignition maps if you wish.

Now you can enjoy new power of IMFsoft electronic ignition.

INSTRUCTIONS for variant „-“ on a motorcycle frame

1. Turn the ignition off or disconnect battery
2. Remove old hammer board, hammer cam and its cabeling see Picture.2
3. Mount IGNITION BASE with PVL IGNITION COIL (part 2,10,12)
4. Mount PVL IGNITION CABLE (part 6) to PVL IGNITION COIL (part 2) and spark plugs
5. Mount Trigger-Wheel Holder (part 4) to the original camshaft position – use Screw M8
6. Mount Trigger-Wheel (part 5) directly on Trigger-Wheel Holder (part 4)
Mount Pick up Sensor (part 3) to IGNITION BASE (part 10) Pick up Sensor Tightening torque up to 2 Nm!
Tune space between Pick up sensor (part 3) and Trigger tooth (part 5) around 0.2-0.3mm
Tune Trigger tooth angle (part 5), picture 4 shows the cylinders position at the TDC
Mount IGNITION HOLDER and MASTER LITE (part 1,11,12)

Connect Pick up Sensor (part 3) to unit MASTER LITE – pin PA and G, picture 3 and 6

IMFsoft-BMW-R50-2-R69S-Engine-Control-Unit-fig-4

. Connect Red wire (part 8) to ECU MASTER LITE – pin „+“ and PVL COIL „+“ pole tooriginal Switchbox („-“ pole on a motorcycle frame).
Connect Black wire (part 7) to ECU MASTER LITE : pin G to alternator case („-“ pole on a motorcycle frame).
Connect White wire (part 9) from ECU MASTER LITE : pin 1OB or 1OA to PVL COIL „-“
Turn the ignition ON or reconnect battery, turn the fuel ON
Software loaded in the unit is set to default, you can adjust the ignition maps if you wish.

Now you can enjoy new power of IMFsoft electronic ignition.