Here is some good info hopefully you will never need, but if you do here they are.
Swomack

Fault Codes
[edit]
Displayed Fault Codes For The ‘Liners
12 - Crankshaft Position Sensor <<Dead Engine>>
13 - Cyl #1 Intake Air Pressure sensor (open or shorted)
14 - Cyl #1 Intake Air Pressure Sensor (hose system) - Clogged or detached
15 - Throttle Position Sensor (open or shorted)
17 - EXUP Servo Motor Ckt. (open or shorted)
18 - EXUP Motor Locked Up – Frozen
19 - Blue/Black ECU wire broken or disconnected <<Dead Engine>>
22 - Air Temp Sensor (in headlight) (open or shorted)
24 - O2 Sensor – No Normal Signal Received
25 - Cyl #2 Intake Air Pressure Sensor (open or shorted)
26 - Cyl #2 Intake Air Pressure Sensor (hose system) - Clogged or detached
28 - Engine Temp. Sensor (open or shorted)
30 - Lean Angle Sensor Latched Up (Bike Laid Down) <<Dead Engine>>
33 - Cyl #1 L. or R. Faulty Ignition Coil << May Run >>
34 - Cyl #2 L. or R. Faulty Ignition Coil << May Run >>
35 - Cyl #1 L. or R. Faulty Ignition coil << May Run >>
36 - Cyl #2 L. or R. Faulty Ignition Coil << May Run >>
37 - ESC Valve Stuck Open (Engine Speed Control / High Idle Speed)
41 - Lean Angle Sensor (open or shorted) <<Dead Engine>>
42 - Speed Sensor – No Normal Signals Received OR Neutral Switch (open or shorted)
43 - Fuel System Voltage (ECU Unable to Monitor Batt. Voltage)
44 - Error In Writing Amount Of CO Adjustment To EEPROM
46 - Voltage To F.I. System Not Normal
50 - ECU Internal Failure – Memory Check <<Dead Engine>>
70 - Engine Idling Stop – After 20 Minutes Of Idling

[edit]
The Following Are ECU (Engine Control Unit) Failures - All Result In A Dead Engine
ER-1..No Signals Are Received From The ECU (output error)
ER-2 No Signals Are Received From The ECU (within a certain duration)
ER-3 Data From ECU Received Incorrectly
ER-4 Bad Data Has been Received From The Meter

My apologies if this is posted somewhere else but what sort of device do I need to use to find the fault codes and where do I connect it?