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Messages - kcr100

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1
Technical | How To / Re: help kymco not revving up
« on: January 20, 2011, 08:05:45 AM »
it happened after i changed the cdi and i dont have the original cdi anymore :'( :'(
ive bought 3 cdi's and cant find the right one for the scooter (ive been told by the sellers that they would work)
first one, when i kicked it over it kicked back on me and the engine started backwards
second one, idled fine, did rev up but really struggled managed to do 5mph or so
third one, the on i got now, idles fine, but dont rev up at all :'( :'( :'(

2
Technical | How To / help kymco not revving up
« on: January 19, 2011, 07:38:07 PM »
i have recently replaced the cdi on my kymco, it starts up and idles but as soon as i rev it any it just splutters and doesnt rev up no matter how much throttle you give it just splutters, doesnt cut out though, let go of throttle and it idles fine, any ideas? wrong timing advance on cdi maybe?

cheers

3
Technical | How To / 4 stroke and 2 stroke cdi
« on: January 10, 2011, 05:47:20 PM »
hi can a 6 pin dc 4 stroke cdi be used on a 2 stroke scooter, or are they different?
got 4 wires coming from loom, earth, 12v+, pulse and output to coil
does anyone know anywhere that stocks one in the uk?

thanks

4
Technical | How To / Re: CDI help needed
« on: December 30, 2010, 07:26:17 PM »
hi thanks for replys,

i have some old CDI's lying around anyone know what the resistance between what pins can tell you if its a good CDI or not?

5
Technical | How To / Re: CDI help needed
« on: December 27, 2010, 02:44:11 PM »
Ok,

im not after any performance im old school
batteries are an annoyance when you have a lot of scooters
most of my scooters are vespa classics/custom builds which dont come with batteries
and use CDI ignition and ive been running most of them for over 20 years

if someone could answer my question please,
does anyone actually know if this is possible with this scooter on its original wiring harness?
i could confirm it pretty quickly with a wiring diagram but i cant find one anywhere :'(

6
Technical | How To / Re: CDI help needed
« on: December 27, 2010, 09:26:55 AM »
Ok,

managed to revive the dead battery by hitting it with 40v for 10 mins so going to use that for now
ill still have to battery-less it when i come to rat the scooter, ill probably just pull out the old
wiring harness and make my own, and re-wire/re-coil the stator for my needs

anyone got a wiring schematic for the cobra racer 100 or similar scooter?

7
Technical | How To / CDI help needed
« on: December 26, 2010, 05:14:21 PM »
hi all ash here from the uk recently got a 2000 kymco cobra racer 100cc scooter

from what i can see the wiring is designed for it to run
only with the battery connected, disconnecting the battery while it runs
confirms this, i don't think its faulty from what i can see(?) my question is
how do i run it without a battery, i think i have a general idea how it works

here goes..

from the engine/stator there's 3 wires, yellow (charge battery?), white (lights?), and blue/white (trigger?)
the cdi is a 6 pin cdi which takes charge from the battery to fire(?)
so is there some way of me taking charge from the yellow/white wires or from the regulator output (red wire?)
when kick starting the scooter? or would it be too little voltage?

cheers

edit: got it working now, just got to work out why the ignition switch dont cut it out and why the indicator relay buzzes, guess its got ac running through it from the engine rather than dc from the battery, will update when ive fixed it

edit2: if your wondering why i dont just fit a battery, the one that came with the scooter is dead, and if i dont have to run one it saves me a few £ and sheds a little weight, and losing the electric starter doesnt bother me ;D

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