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General Category >> Rubber Side Down! >> no lights no power
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Message started by nablats on 08/11/18 at 13:20:51

Title: no lights no power
Post by nablats on 08/11/18 at 13:20:51

hi all, bike has been off road 1 year. was running fine, put new battery on, no sign of life from lights, horn, nothing. checked main fuse power getting to ignition switch. I had to remove engine to repair exhaust studs that's all?

Title: Re: no lights no power
Post by Dave on 08/11/18 at 14:34:45

Do you have the ground strap attached to the engine.....down by the oil level sight glass?

Title: Re: no lights no power
Post by justin_o_guy2 on 08/11/18 at 14:49:17

I'd hafta check the battery, and as stated, grounds..

Title: Re: no lights no power
Post by batman on 08/11/18 at 16:16:17

Did you check both fuses, did you use a meter? I'd also be checking all your connectors to make sure there clean and tight.

Title: Re: no lights no power
Post by justin_o_guy2 on 08/11/18 at 17:12:02

Check connections under the tank.

Title: Re: no lights no power
Post by batman on 08/12/18 at 08:38:14

This may sound a bit silly, but did you buy the correct battery? some batteries have the same physical size and amp hour rating, but the terminal posts have the opposite polarity .

Title: Re: no lights no power
Post by nablats on 08/13/18 at 11:57:57

ALL OK APART FROM ground - I attached a separate ground with clips from batter to engine and hey presto - but I can`t see whats missing - the wire from near oil glass to starter ok, cable from battery negative goes ti a round switchy thing along with power cable from positive. have I simply lost the main earth lead somewhere in transit...…..
thanks to all - ps I meant to take pictures but failed to do so ;D

Title: Re: no lights no power
Post by justin_o_guy2 on 08/13/18 at 12:01:53

ps I meant to take pictures but failed to do so .
You're grounded, but apparently, not very well.

Title: Re: no lights no power
Post by batman on 08/13/18 at 17:21:04

yikes! First) the power from the battery positive(red) runs to one side of the starter solenoid( the round switchy thing mounted to the bracket on the rear fender under the seat) from the other side of the solenoid the cable runs to the threaded stud on the top of starter motor .( this is the positive leg of the circuit). Next) the negative leg is the ground wire(black) connected to the battery and runs from the left side to the right side of the bike to the bolt near the oil site glass,(do not run the ground from the neg . battery post to anywhere but a casing bolt) the rest of the circuit is the motor case itself, which acts as the rest of the ground to/for the starter motor.
ALWAYS connect the neg. lead to the battery last !!! (if you connect it first, and touch the pos. to the case ,frame fenders etc . which are then grounded the battery could short circuit and explode) Never touch the pos. and neg. leads together ! you should wear safety glasses to protect your eyes from sparks /acid.

Title: Re: no lights no power
Post by nablats on 08/14/18 at 12:21:22

THANKS :D I blame the hangover...……. :o