Electrical & Lighting

Wiring schematics & diagrams

Battery stuff

Lights & Bulbs

How does the charging system work?

How to check the fuses

I want a louder horn

Alternator Information

Waterproofing your electrical connections

How do relays work?

Opening your garage door with your light switch

Installing a Sigma bicycle computer

Soldering 101

How to read a multimeter

Installing a voltmeter

Installing connectors for your wiring

My sidestand switch doesn't work right.

Checking the clutch safety switch

Cleaning and servicing the clutch switch

I want to make my bike into a streetfighter.

I want a small flashlight so I can see my stuff

EX250 parts diagrams