Speedometer on crack when riding bike?!

NerpAngel · #1 10-14-2009, 04:42 PM

Um.. So I just installed a speedo on my bike and it works fine when I just test it when the motor's not on, but when I start my bike and get riding it freaks out and resets or flashes like it's a horror film. Any reason behind this maybe???

HoughMade · #2 10-14-2009, 04:47 PM

RFI- radio frequency interference.

Try to route the wire (if it uses one) away from the ignition system and see if that helps.

NerpAngel · #3 10-14-2009, 05:23 PM

It does only use one. But.... how can I route that one wire if my ignition box is right below my handlebars... Like where every else ignition box goes basically.

wes · #4 10-14-2009, 05:45 PM

i wrapped my spedo wire around the brake cable and then it jumps over to the handle bars

NerpAngel · #5 10-14-2009, 05:45 PM

Alright! I'll try that

Thanks

wes · #6 10-14-2009, 05:46 PM

this keeps my wire away from all other wires, a little bit of electrical tape to hold the wire in place works well for me,

bseelbach · #7 10-14-2009, 06:11 PM

Go to radio shack and get a EMI suppressor. They are basically barrel magnets that clamp around the wire. I believe they were like $2.50 for a pack of two. Works great.
I have a pic posted.
http://motorbicycling.com/f15/first-...ook-10802.html

AnthonyX99 · #8 10-14-2009, 09:23 PM

or go to your local bike shop and grab a (Sigma Sport BC 506) speedometer they can read up to 300kph and don't scramble I got the wired one no problems yet.

**2door** · #9 10-14-2009, 10:02 PM

I found that even my clutch cable if close to my speedo wires caused problems. My CDIs are mounted on the seat post not the down tube and I keep the speedometer wire away from anything that is connected to the engine. Seems to work for me.
Tom

Jimbo · #10 10-24-2009, 12:51 PM

anyone know how to reset the schwinn speedometer? somehow got it on kilo, need MPH lost directions.