Friday, 15 August 2014

Yamaha YBR 125 blog , testing for no spark .


Yamaha YBR 125 how to check if the thing has a spark .

easy just remove spark plug and rest the spark plug against a good earth or you can use a lead
to a good earth , then turn engine over .



Yamaha YBR 125 blog , testing for no spark





rest spark  plug on a good earth or 

Yamaha YBR 125 blog , testing for no spark
    as i do i link cable to earth you can see spark plug more easily
Yamaha YBR 125 blog , testing for no spark


    then press starter button , watch video below .


                               


other posts of interest

Yamaha YBR 125 Ignition coil testing



buy Yamaha ybr 125 spark plugs from Ebay UK  here or Amazon uk here

No Spark Weak spark 


- ignition off ( i know but it happens )
- low battery voltage
- faulty , worn , dirty , wrong adjustment to spark plug 
- lead , cap or coil faulty 
- cap not seated correctly on plug 
- faulty ecu 
- crank position sensor
- short to ignition switch /  circuit wiring 

excellent video here on no spark diagnosis 











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