Wednesday, December 18, 2013

I have a 97 Yamaha YZR and just installed a new battery but my bike still will not start up?

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Charles


I installed a new battery on my bike and still will not fire up. Some folks said it maybe the starter, the regulator, others said the main fuse?


Answer
Is the KILL SWITCH off? it's on the throttle grip, off ON off.

What happens when you don't tighten the battery terminals on a bike and start it?




Candace


I trickle charged the battery on my bike and put the battery in just to see if it would start but I didn't tighten the terminals. The dash lights turned on and when I went to hit the ignition, it sparked and then absolutely nothing. The dash lights will not even turn on now.
No fire! I didn't fry anything did I??
Thanks guys! I got it figured out! Just needed it to be tightened and it was able to start.



Answer
If you didn't tighten the battery terminals:

The small area of metal contact between the battery post and your battery clamp carried the small amperage current required to light your dash lights. When you engaged the small amperage circuit running to the starter relay it had enough amperage to momentarily close the relay but when that high amperage circuit to your starter closed that high amperage load heated the small contact area between your battery post and battery clamp melting the contacting metal area and leaving oxidized metal behind.

When you remove and wire brush the melt pitted and oxidized affected battery post and clamps and firmly tighten them all should return to normal.

When finished buy some battery terminal sealer, it's no more costly than a can of spray paint, less frustrating and messy than smearing grease over the posts and clamps and if you watch it will make water bead up around the terminals instead of soaking in or dampening the post / battery area.




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Title Post: I have a 97 Yamaha YZR and just installed a new battery but my bike still will not start up?
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