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Hi, first time poster here.
I seem to have a problem for which searching yields no results. I own a 1979 GS750 that I bought in October last year. She runs well and gave me little trouble except that the battery seemed not to charge very well. I ignored this as the battery kept enough power to run the lights with the engine off, and to start the engine required one kick on the kick starter.
In January she suddenly started running roughly and inspection revealed that coil 1-4 died. I replaced both coils with good 2nd hand units and the problem was sorted or so I thought.
3 weeks ago both coils went and I noticed that with the ignition switched on the coils got very hot, but I thought they got hot because they died of old age. So again I replaced them with good used units ( I also redid the wiring before installing these coils to rule out possible wiring problems ) only to have them die the same death a week later.
I also noticed that the battery is now well and truly bricked, tested by refilling it with water and a little bit of acid, charging it and then testing it with a battery tester.
I've got a suspition that the regulator might have failed somehow and is supplying too high a voltage to the system or not switching the AC to DC properly.
What are your considered opinions, am I right in thinking that the RR is to blame? Any other suggestions?
PS. I will be replacing the coils with Dynatec units and will source the RR from duaneage, as well as fit a new battery.
Edit: Also globes don't seem to last very long.
I seem to have a problem for which searching yields no results. I own a 1979 GS750 that I bought in October last year. She runs well and gave me little trouble except that the battery seemed not to charge very well. I ignored this as the battery kept enough power to run the lights with the engine off, and to start the engine required one kick on the kick starter.
In January she suddenly started running roughly and inspection revealed that coil 1-4 died. I replaced both coils with good 2nd hand units and the problem was sorted or so I thought.
3 weeks ago both coils went and I noticed that with the ignition switched on the coils got very hot, but I thought they got hot because they died of old age. So again I replaced them with good used units ( I also redid the wiring before installing these coils to rule out possible wiring problems ) only to have them die the same death a week later.
I also noticed that the battery is now well and truly bricked, tested by refilling it with water and a little bit of acid, charging it and then testing it with a battery tester.
I've got a suspition that the regulator might have failed somehow and is supplying too high a voltage to the system or not switching the AC to DC properly.
What are your considered opinions, am I right in thinking that the RR is to blame? Any other suggestions?
PS. I will be replacing the coils with Dynatec units and will source the RR from duaneage, as well as fit a new battery.
Edit: Also globes don't seem to last very long.
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