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03 Sep 2010 19:15 - 04 Sep 2010 11:57 #395933 by tmstoltz
please read this was created by tmstoltz
bike still wont start.it was running fine then one day the turn sig. stopped working,no big deal i got hand sigs.(and finger if they piss me off) then about a week later one morning leaving for work it wouldent start i cranked and cranked finaly started puzzled i rode it to work any way thinking mabe bad gas so put premium gas got to work pulled my 8 hrs. got on my bike started right up went home everything good next day i got hit with rain on my way home still started good everything good. yesterday hard to get started but once started ran and started great all day. i did replace the oem coils and the oem pickup coils, i still suspect the ic ignighter and the battery my battery is 2 1/2 years old but kept on a batt. tender it shows a charge of 12.4 volts mabe this is not enough for the first start with cold cylenders, and once the cylenders are warm it dont take as hot of a spark. or mabe its the ic ignighter is whats wrong. am i on the right track? do you guys have any other ideas? batt. feeds the ic unit the ic unit feeds the coils.well i found the prob. valves 60psi compression, i just payed the shop to adjust the valves last year assumed they new what they were doin if your in reno never trust michaels cycles to do anything
Last edit: 04 Sep 2010 11:57 by tmstoltz. Reason: found the problem

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03 Sep 2010 19:27 #395935 by MFolks
Replied by MFolks on topic please read this
Figure on spending at least a day cleaning the many and various electrical connectors and switches.I use a very good brand of electrical contact cleaner/preservative called "De-oxit" available at Radio Shack stores and other electronic supply places.

www.deoxit.com is their website, I have used it on my bike for many years, inside my house on RCA patch cords,and cordless phone charging cradles.

The right handlebar switch pod has the run/stop switch along with the start switch. These may have corrosion making for intermittent operation.

The headlight housing usually has the majority of the electrical connectors coming from the main harness.If any have green corrosion, this lowers the voltage/current for that circuit(s).

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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  • TeK9iNe
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03 Sep 2010 19:53 #395942 by TeK9iNe
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MFolks wrote:

Figure on spending at least a day cleaning the many and various electrical connectors and switches.I use a very good brand of electrical contact cleaner/preservative called "De-oxit" available at Radio Shack stores and other electronic supply places.

www.deoxit.com is their website, I have used it on my bike for many years, inside my house on RCA patch cords,and cordless phone charging cradles.

The right handlebar switch pod has the run/stop switch along with the start switch. These may have corrosion making for intermittent operation.

The headlight housing usually has the majority of the electrical connectors coming from the main harness.If any have green corrosion, this lowers the voltage/current for that circuit(s).


Yessir!

Get on it :laugh:

B)

Motorcycle Shop Owner/Operator

79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors ;)

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03 Sep 2010 20:57 #395971 by timebomb33
Replied by timebomb33 on topic please read this
ditto on the bad connections

1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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03 Sep 2010 21:11 #395978 by Becker
Replied by Becker on topic please read this
I agree with the bad connections, but the spec for a good battery is 12.65 DCV to 12.8 DCV. This may not seem like a big deal but using a TCI you really need to have the right battery voltage.

78 KZ750B3
79 KZ400 LTD
78 KZ650C2
79 KZ650C3
78 KZ650B2A
80 KZ650F1
80 KZ650E1
81 CB750K Super Sport

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03 Sep 2010 21:13 #395980 by Becker
Replied by Becker on topic please read this
Oh and the reason I agree with the bad connection thing is because if there are bad connections then its sucking down voltage, i.e. lowering an already low voltage.

78 KZ750B3
79 KZ400 LTD
78 KZ650C2
79 KZ650C3
78 KZ650B2A
80 KZ650F1
80 KZ650E1
81 CB750K Super Sport

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03 Sep 2010 22:49 #396003 by Patton
Replied by Patton on topic please read this
tmstoltz wrote:

...suspect the ic ignighter and the battery my battery is 2 1/2 years old but kept on a batt. tender it shows a charge of 12.4 volts mabe this is not enough for the first start with cold cylenders...batt. feeds the ic unit the ic unit feeds the coils.


Would have battery load-tested. It's a free service at many auto parts stores such as AutoZone and others that sell batteries.

Battery+ voltage runs from battery > fuse > ignition switch > on-off-run switch > ignition coils.

Ignition coils are grounded and ungrounded via wires running through i.c. igniter to pick-ups at crankshaft.

Good Fortune! :)

[Click on image to enlarge view.]


1973 Z1
KZ900 LTD
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