sam10092 Posted February 22, 2015 Share Posted February 22, 2015 Hi Everybody, Was wondering if anybody on here could help me as I'm having some trouble with the electronics on a 1978 GS550 project I have bought. I have been through a scheme to check that I have all of the parts before trying to re-wire. However, I seem to be missing a Fuse box and Ignitor! Is there anyway I can side step the problems for the time being to see if the bike starts / runs before I strip the bike down for cleaning? Quote Link to comment Share on other sites More sharing options...
Tango Posted February 22, 2015 Share Posted February 22, 2015 Welcome to TMBF mate.......pop over to the Newbies section and introduce yourself to the guys when you can...... If you're handy with electrics you could rig it enough to run the engine......but without a wiring diagram I'd be pushed to say exactly what you'd need to do...... When you say ignitor do you mean ignition coil?......you'll need this to get a spark....and I think the gs550 had 2 coils......so you'd need both. Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted February 22, 2015 Share Posted February 22, 2015 it will not run without the ignitor/cdi unit if you havent got them then you will need to get that plus the coils and then if thats the loom complete you should have a spark and be able to fire the engine Quote Link to comment Share on other sites More sharing options...
sam10092 Posted February 23, 2015 Author Share Posted February 23, 2015 Hi guys,Thanks for the replies first of all. I will get over to say hello to the people on here ASAP. Secondly, I have both of the coils (located under the petrol tank). However after speaking to a bike enthusiast who lives on my street, he has mentioned that the bike may run on points and condensers I.e no ecu/cdi. Would either of you guys know which is correct or how I can check? Again, thanks for the help. It's much appereciated! Quote Link to comment Share on other sites More sharing options...
Grumpy Old Git Posted February 24, 2015 Share Posted February 24, 2015 G@@Gle is your friend.The service manual shows points & condensor - However, there is a post production modification to fit electronic ignition.Get a copy of the manual and you will be able to see where the points are; how to access them; and how to check they operate correctly. There are various free downloads (check with a virus checker before opening) or, Haynes has a manual for your bike. Quote Link to comment Share on other sites More sharing options...
eastanglianbiker Posted February 24, 2015 Share Posted February 24, 2015 if its points and condensor then they will be inside the front engine casing on the right hand side of the bike.there is no oil inside the small front casing so you should be able to remove it and check condition of the points and condensor it is also here that the electronic conversion goes in as well which it could well have as they made them from 1980/1 with electronic ign once you have the case off you will be able to tell which kind you have got Quote Link to comment Share on other sites More sharing options...
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