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 .

if have not got one get one haynes manual for the Yamaha YBR 125 

rest spark  plug on a good earth or 

                                       as i do i link cable to earth you can see spark plug
                                                                  more easily

then press starter button , watch video below .

other posts of interest

Yamaha YBR 125 Ignition coil testing
Yamaha YBR 125 Generator , Alternator Stator testing
Yamaha YBR 125 Crank Position sensor testing 
Yamaha YBR 125 cylinder head / spark plug thread repair
Yamaha YBR 125 Not sparking no spark diagnostics
Yamaha YBR 125 electronic ignition system 
Yamaha YBR 125 Spark plug , type , gap , torque figures and how to read 

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 igniton switch /  circuit wiring 

excellent video here on no spark diagnosis 

see more Yamaha YBR 125 blog posts 
thanks for reading the Yamaha Owners blog , if you would like to support us you can by  buying your newYamaha YBR 125 off ebay uk here or buying  parts for your yamaha YBR 125 from ebay uk here or you can buy a a Yamaha YBR 125 haynes manual of Amazon UK here or for YBR accessories at Amazon UK here  , or visit chinas online superstore here for very cheap motorcyle products direct from china .

You can also visit our sponsors website 125 sportsbikes and spares here .

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