Electric problem..

[neilzomg]

So I was cleaning the bike up and managed to put the negative on the positive and positive on the negative connections.. Silly I know. Made a few sparks then when connected properly the bikes electrics won't work unless I kick start it first. Has the battery kicked it? Tried charging it and can't find any fuses on the bike. It's a lifan samurai 125 if you can help I'd appreciate it.
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Aprilia SR125

[lihp]

Check main fuse
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covent.gardens: lihp is my most favourite member ever

[Charlie]

All sorts of stuff could have gone, but you'd hope/imagine there was some sort of reverse voltage protection.

Connecting the wrong way may have damaged the battery, it could be worth trying to start the bike another battery. Borrow a friends?
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Past: Honda x8rs, Honda City fly, Honda Hornet 250, Honda VFR750, Yamaha xt600e.
Current: Honda CBR929RR & Yamaha XT660Z Tenere

[tahrey]

Well, there's usually a diode to protect some of the forward-voltage-only stuff, but I'm not 100% if that actually covers e.g. the electronic ignition module or whatnot. And you might have damaged the diode itself somehow with a sustained reverse voltage.

Multimeter and wiring diagram time.

[mysterious_rider]

Check the solenoid fuse chap, then after that check the fusebox itself.
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KAWASAKIIIII

[i.p.phrealy]

[DMCpro]

Oh dear. Bend over.


Red=+

Black=- isn't this obvious ?

I don't mean to be condescending but if you don't know what your doing don't touch it!
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Honda CB-1, TS125X
VW Golf Estate

[j.silvs]

Was you cleaning the battery?!

[Walloper]

Probably gubbed the generator regulator, or voltage rectifier or both.

Connecting the leads wrong won't necessarily blow a fuse as fuses protect equipment from High Current 'draw' (i.e. when a wire short circuits the normal load (a bulb for instance) and passes directly to ground. This means all the energy in the battery can flow to ground rather than through a resistance (bulb, motor, coil, solenoid etc.).

To determine which battery post is which:

The larger of the two is always the Positive. Whether it is square or round. There is always a + and a - cast into the plastic case near the post.

Buy a Multimeter. There is absolutely no excuse for not having one in your kit. There's a statutory 100 Manpoint deduction for failure to own/have/steal basic gear.

You will need a meter to test or roll the pile of shite to a bike workshop and also beg forgiveness of the Bike Gods.
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W-ireless A-rtificial L-ifeform L-imited to O-bservation P-eacekeeping and E-fficient R-epair

[Charlie]

[Walloper]

[Rogerborg]

Might not be that badly spanked if everything works once you've kick started it.

Find the +ve lead (der red wun herpy derp) and trace it back from the battery. Look for an inline fuse on it, you might only have the one.
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Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike

[tahrey]