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Old 01-21-2013, 06:09 PM   #3883
G600
Gnarly Adventurer
 
Joined: May 2009
Location: Iceland
Oddometer: 443
Quote:
Originally Posted by Freddan View Post
I´m restoring a XT600Z 34L 1983. The spark is weak or seems to fire every 6-8 time of kicking. I have only rebuilt the ignition circut and have no battery or charging system. The two systems are fully independent as I understand. I had the bike running but it´s getting harder or impossible to start. So is this a bad wire connection, faulty CDI, Ignition coil measurs good. Pickup coil is a bit off the chart (110ohm and 110ohm both sides so I think it´s a measuing problem).

Has anyone had the spark come and go?

/Fred.
Assuming your XT has the same ignition as the “regular” xt600 of that era, and you have the original CDI box, chances are you have a faulty CDI unit.

Yes the ignition system is “stand alone”. 110 ohm is about right for the pickups. Disconnect the black/white wire from the CDI when testing, it is the “kill” wire. By disconnecting it you rule out a failure in the ignition switch, kill switch, wiring, etc
.
Check the Ignition coil, my XT550 has the same igniton:
Primary = 0,5 ohm plus/minus 15%
Secondary = 6K ohm plus/minus 15%

I have a CDI from hpi.be in my XT550 (the original one died two years ago) ,it was plug and play, no problems so far.
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