03 ltz 400 intermittent spark
#12
12-02-2011, 12:10 PM
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#13
12-03-2011, 12:23 AM
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#14
12-22-2011, 07:31 PM
I have a 2003 Suzuki Z400 as well, It has no spark anytime. Did the engine make any sounds when you were trying to start it from the broke flywheel bolts? I am going to pull the cover and check the bolts or order a CDI unit, I cant find any wires pulled out of the CDI like other people has said goes wrong.
#15
12-23-2011, 09:34 AM
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well i wouldnt order the cdi until you pull the cover off, because if that ends up being the issue, then it was money wasted for the cdi the engine made a ticking noise like a valve tapping, but sometimes the sound wouldnt happen, it just depended where the head of the bolt was sitting, i would pull the cover off and check that first, but drain the oil or youll have a mess 
#16
01-03-2012, 08:11 AM
Well..... I pulled the flywheel cover and everything looked good. I checked the torque on the bolts and they all where tight. So I ordered a used CDI from E-bay for $35.00 w/free shipping and a new cover gasket. They can in the same day so installed the new gasket, filled it back up with oil and put the used CDI on and............Wait for it....... VRRROOOOOMMMMM!!!!!!!! It Started........... I have been riding the hell out of it the last week or so and it runs great. Thanks for all your input.
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08-07-2016, 09:50 PM
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I don't have any experience with the z400 personally If this was me i would check all the wires to stator make sure there all still connected, maybe came off riding. If you know anyone else with a running z swap cdi's. Get a new plug could be the old has a crack in porcelin and wont fire consecutively?
My good buddy had a z400 and the flywheel bolts broke and flywheel was able to be spin. he bought new hardend allen bolts from hardware store.
I don't know if this is a common problem or not but maybe worth a shot to inspect and see whats up.
My good buddy had a z400 and the flywheel bolts broke and flywheel was able to be spin. he bought new hardend allen bolts from hardware store.
I don't know if this is a common problem or not but maybe worth a shot to inspect and see whats up.
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