How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Louie Your Own Question
Louie, Technician
Category: Motorcycle
Satisfied Customers: 12675
Experience:  25+ yrs. experience
Type Your Motorcycle Question Here...
Louie is online now
A new question is answered every 9 seconds

My sons DRZ 125 has inconsistant spark at the spark plug. I

Customer Question

My sons DRZ 125 has inconsistant spark at the spark plug. I have tested on the lead an it stays the same. How do I test further down the line to the coil and magnito
Submitted: 2 years ago.
Category: Motorcycle
Expert:  Louie replied 2 years ago.
Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, a review / proposed preliminary checks with the use of a multi-meter (if have not been tried): • Engine STOP Switch is engaging correctly;• with engine cranking or running;- pulsating low voltage between the green/black and the black/yellow wires from the pickup coil to the CDI;- pulsating high voltage between the black and the black/red wires from the stator exciter (capacitor) coil to the CDI;- pulsating voltage between the black/blue and the black/white wires from the CDI to the ignition coil;- black/yellow and black/white wires are tied to the engine ground.Please post back results / observations of the above once tried.