What kind of diagnostics can I run on my Jonway scooter to figure out my electrical problem?

by Simon

I own a 50cc Jonway scooter. When braking, the front wheel shudders (rotor, brake pads?). Also the turn signals won't work; it's not the bulbs, as the turn signal indicator on the instrumentation panel do not light up.

What sort of diagnostic tests can I do, and how much money would those two issues run me - in parts? Is there a .pdf file for upload to check the owner's manual or a repair manual?

Comments for What kind of diagnostics can I run on my Jonway scooter to figure out my electrical problem?

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Nov 14, 2010
Brakes and Lights
by: Jim Zeiser

I would check your rotor and caliper on your front brakes. If the pins your pads slide on are rusty or if the caliper isn't floating some then even a slight amount of runout in the rotor is magnified. Runout is the amount the rotor is warped. It doesn't have to be much to seem very bad when you stop.

It sounds to me like your directional flasher is burned out or not working or disconnected. You should hear a clicking when your directional signal is on. If not, your flasher unit is the place to start. It's under the front panel on your scooter.

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