Question about Yamaha WR 426 F Motorcycles
Posted by Anonymous on
Hi, Anonymous if your headlight is not working, only one beam works, keeps burning out, blinking, or is dim the first thing you need to check is the headlight bulb for damaged filaments then check your light circuit fuse, then check your head light bulb socket ground wire for a clean tight connection, that being said the usual suspects are:
1. Faulty ground or power supply wire to headlight bulb socket.
2. Worn down solder contacts or loose fit of the bulb base in the socket due to vibration.
3. Worn, chaffed, or broken wires in the light circuit.
4. Corroded, broken, or loose pins/sockets in wire connectors.
5. Faulty hi/lo beam switch.
6. Faulty ignition switch.
7. Fuse is good but no continuity on both sides.
8. Faulty wiring between battery positive and headlight bulb socket.
9. Weak charging alternator/generator.
10. Faulty voltage regulator/rectifier ground or overcharging.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
wr426 Wiring diagram Google Search
YAMAHA WR426F Owner Service Manual
OEM parts for Yamaha
YAMAHA WR450F Owner Manual
Posted on Dec 06, 2016
A 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
SOURCE: wiring diagram for bike
You can go to your local dealer and they usally will copy it out of ther service manuel for you.When you say passing lights do you mean highway lights?
Posted on Mar 29, 2009
A service manual is a very valuable tool, esp. with a bike of that age. Dealer, mfr. and clymer books are sources for that. Meantime, the public library may have your info in the 646 stacks of reference section.
Not sure about 2nd plug. If its wired, then its to insure you get ignition in the cylinder. Some mfr's did that for a while.
Posted on Oct 13, 2009
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