2003 Yamaha YZ 125 "ht" Questions

...dead. I think there is power getting to the ignition switch. You need to check the voltage to the HT coils when the engine is cranked , if there is no voltage then the +B to the coils must be ...

...continuity tests on your coil primary and secondary , orange terminal to ground,orange terminal to ht lead ,if they check out ok according to service manual specs then i'd run continuity test on the ...

Yamaha DT50 MX Kickstart doesn't work Ok i bought my Yamaha DT50 MX and i have only seen it kickstarted twice. Once when we bought it (i think the people had it warmed up before we got there) and the ...

...of the ignition unit- possible fault in the electronic unit thereby there is no trigger to the HT COILS. 2. Failrue of the HT coils, check the voltage on the coil ends. 3. failure of the HT ...

...on the bike the left coil has an orange/white wire on the top and a white wire on the bottom.The HT leads go to plugs 1 4.The right coil has an orange/white lead on the top and a black/yellow wire ...

...has no spark now If there is no spark then you need to check on the IGNITION section . Check on the HT COIL for the trigger voltage and if this is absent then the ignition section is faulty. If ...

...are gapped and new. Have you replaced the condensor? Do the points actually spark? Have you checked HT lead and plug cap? Remove cap and place bare end of ht lead on cylinder head so that spark can ...

washed my bike,now tere,s no spark It is quite possible that water is trapped inside the HT coils and the HT shorts therby the spark is lost. So if you have can use pressurised air to blow out all ...

battery new lights horn every thing works /no spark for plugs The voltage at the HT coil is important and the FIRING TRIGGER to the HT is also most important. Now remove the spark plug and crank the ...

...the cylinder. Also check on the spark intensity with the plug as it must be good. If not check the HT coils and the HT wires, check the incicent voltage on the HT coils for the coil trigger which ...