moped cranks once like a dead battery By budthatsmyrealname (Read 500 times)

[budthatsmyrealname]

moped was running fine, then i got home and parked, and wouldnt start in the morning like a dead battery.

it would crank once... then twice... and stop. my first thought was a dead batt. so i took my fully charged car batt and did a jump, absolutely same reaction. so i thought, maybe the car batt is dead. i did a jump directly to the moped from a running car (no other batts) and still same thing (also i can hear the car idle drop when i hit the starter button so i know juice is going in)

my second thought, bad relay. i put in a brand new relay. same thing.

what else can cause this?

[cyborg]

Starter motor is going away,,,or terminals are loose ,but my bet is the starter itself

[richardv]

It not a good thing to have the car running. The cars charging system has too much output for the scooters battery to take and it will damage it. It's even dangerous on much larger motorcycles.

[budthatsmyrealname]

i appreciate the advice of the car having too much power. i did it for about 1 minute. you think i caused damage? because after i stopped it still had the same affect so maybe i didnt do damage?

[tvnacman]

I second bad connections, otherwise starter.

John

[fugaziiv]

Probably won't know until you get it running again. The amperage in a car's charging system tends to fry the regulator first, and then battery. I've seen it cause stators to go bad as well.

Does your bike have the kickstart on it? Does the bike kick over freely? If so at least you aren't hanging up and there is a good possibility it's the starter going bad. It happens.

If the bike doesn't kick over freely, unfortunately it might be time to start taking things apart...

Matt

Edit: or bad connections too... always gotta check those as John and Cyborg mentioned.

[budthatsmyrealname]

Yea the moped kick starts and starts and it runs. But because i have a stroker and a big bore kit, it keeps breaking the teeth off. So i only use kick start when im stranded.

But i researched symtoms of a bad starter and you guys were right. I bought a new high torque starter. So hopefully itll do it

[fugaziiv]

Sept 29, 2016 15:25:58 GMT -6 budthatsmyrealname said:

Yea the moped kick starts and starts and it runs. But because i have a stroker and a big bore kit, it keeps breaking the teeth off. So i only use kick start when im stranded.

But i researched symtoms of a bad starter and you guys were right. I bought a new high torque starter. So hopefully itll do it

That should fix it.

As soon as you mention a stroker and BBK, you are immediately in tired starter territory and you need to replace that with a hi-tq unit. I bet that will solve your issue. A stroke and BBK will expose a poor quality starter pretty quickly with some use.

Matt

[tvnacman]

What cdi are you using?

John