Yamaha FZ6 Misfire Diagnosis - FULL Ignition System Inspection

In this video I will be going over all the components required to get spark on a 2007 Yamaha FZ6. Misfires can be a troubling problem to trace down but always start at the spark plug and move backwards through the ignition system.

I goofed and forgot to film a section on spark plug gap but you can check out my spark plug video for information on that, linked here:
   • How to Replace Yamaha FZ6 Spark Plugs...  

Crank position sensor inspection video:
   • Yamaha FZ6 Crank Position Sensor Diag...  

Ignition System specifications:
Spark plug type: NGK CR9EK
Spark Plug gap: 0.024 - 0.028" although I've had good results running 0.022"
Spark plug cap resistance spec: 10,000 ohms
Primary ignition coil resistance spec: 1.53 - 2.07 ohms at 20 degrees C
Secondary ignition coil resistance spec: 12k - 18k ohms
Crankshaft position sensor resistance spec: 248 - 372 ohms at 20 degrees C
Then check switches including: engine stop switch, neutral switch, side-stand switch, clutch switch, starting circuit cut-off relay, lean angle sensor.
Check all your wiring has continuity
If none of that works you probably need a new ECU :'(

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