Thursday, September 22, 2011

I have an '83 kawasaki LTD 750(resembles the Spectre), with a charging problem. Any ideas where to start? thx

I replaced the stator and reg/rec., but they were used. Should I try them again. How hard is the starter to change? ThxI have an %26039;83 kawasaki LTD 750(resembles the Spectre), with a charging problem. Any ideas where to start? thx
First, used electrics are not usually a good deal. Best to get new parts, which come with a warranty.

Second, never start swapping electrical parts to try to fix something, you can wind up spending a lot of time and money for nothing.



Now, to your problem. Do you have a digital volt/ohm meter? If not, do not touch the electrics until you get one. For under $10 you can get one at an auto supply house with is plenty good for home shop troubleshooting.



Now that you have your meter, find the cable which comes out of the LH cover, and goes to the rectifier/regulator. Disconnect this cable, The connector will have 3 wires, same color. Set the meter on Ohms, lowest range. Measure between each wire in turn, should read between 1-3 ohms. Set meter to highest range, measure from a wire to the engine case. Should not have any reading. On the first test, if you have any reading out of range, the stator is bad, on the second, if you have any reading at all, stator is bad. If either of these tests fail, get a new stator.



If the stator tests pass, remove the rectifier/voltage reg. There are five wires you are interested in, the three which the stator connect to, the ground connection,and the wire which goes to the battery. Sorry, I do not remember the color codes on these, you will have to trace them out. If you have a Clymer or Haynes manual, they help a lot. Connect one meter lead to the ground connection, The other lead, touch each of the 3 input connections. Should get the same reading on each pin. Now, connect the other meter lead to the ground connection, then, the second meter lead to each input to each input connector. Should get same reading on each one, and it should be opposite the reading of the first test. Test 3 and 4 are same as test 1 and 2, only use the connection which goes to the battery. If these all pass, it SHOULD work. If any test fails, replace that part. Of course, make sure all wiring is in good shape. Voltage at battery, engine running at fast idle should be about 14 V,



Hope you can follow this, it is easier to do than to describe.





Good Luck.



Tomcotexas.I have an %26039;83 kawasaki LTD 750(resembles the Spectre), with a charging problem. Any ideas where to start? thx
Take a set of booster cables hooked to your car remove wiring from starter and put ground on first then bump the hot to the connection terminal and if good should whiz over. Wont hurt to try.I have an %26039;83 kawasaki LTD 750(resembles the Spectre), with a charging problem. Any ideas where to start? thx
You have a charging problem. Start at the cheap stuff first.



Check your wiring, especially the negative (ground) system. If the wires are corroded, your bike will not charge.



Check your battery. Is it good?



Unless your starter doubles as a generator/alternator, you do not need a new starter, it's not part of the charging system, though many bikes do ground through the starter. Check the cables for tightness and corrosion.



Find someone who can teach you how to use an ohm/volt meter and start running tests on the charging system. You've got power in somewhere, but it's not going out again.
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