I'm not sure actually. I think you might be right that it replaces the + cable. Maybe i have misunderstood since lots of people have been talking about the ground. And it also says "negativo bateria" on the bag the cable came in.
But it made a big difference for me to only replace the ground and using the old battery.

My CDI is updated and the rotor is th eone with the bigger recess. I replaced the battery with a Shido, then added a ground cable exactly like shown in the pics above. I also added a thicker gnd cable to the battery.

Then I took the ignition cover off, cleanded everything, put a bit of fresh grease on the gears but still no improvement. My dealer has no clue and I admit I give up!

When you say you replaced the starter relay what did you take instead? Another new OEM starter relay or an aftermerket product?

Thx
Doc

I would add a larger power cable as well. Also, did you replace the battery with the same size or one with ampere hour battery?

Fellas, must?ve had a lucky day above - the starter is still dicking around.

The bike starts first kick when cold but the starter spins & spins. This must be a weak spark if starting cold on the button, no?

Anyways, I reset my plug gap to the upper range of the manual - new BR8EG, 0.8mm - and the bike started cold on the stand with the choke on with a short stab of the start button.

I checked the battery & it?s charging at 13.63v @ approx 3000rpm & is holding 13.43v static.

Fatter spark? Dunno, but it started, so that?s a, er, start...

Ok, the + cable is still the original one. Following a dealers advice I installed exactly the same battery just that it is a Shido.

@Gibnut: my starter doesnt spin the engine though the voltage was always around 13 volts. It turns just a bit then blocks and makes a whining sound. Then I wait a few seconds and sometimes it turns over the engine quite well. the warmer the engine is the easier the starter turns it over...

I've come to the conclusion that the electric start on these is largely decorative.

I have sent a photo of my CDI with the serial to a dealer to check if it has been upgraded, but havent heard back as yet. Fingers crossed it might need an upgrade to make it work properly.

The upgrade on mine didnt change anything.

That makes me sad. I kind of like the idea of an electric leg.

Just take the time to get it sorted. Larger + and - wiring, larger ampere hour battery, and updated CDI seems to have fixed most. Of course, the dealer should be figuring it out as it is a new bike. You listening GasGas?

Eectric starter 2018?s..
 

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