wont start when hot...

[tom203]

update... I cleaned up the connect at the ignitor box and now the bike runs and starts when hot... for now... Its hot again today so I will put her to the test.

It can't be stressed too much to clean all the vital connections on 30 year old bikes!Hopefully that solves it, but I found your ohm pickup readings strange compared to my 650- maybe another member will doublecheck this.

[s276l]

Under the side cover... usually the left side cover. It's a black box with at least two wires heading for the signal generator on the right side of the crank....

Check a parts fiche at partshark or bikebandit or similar... you'll see it.

The easiest fix for that is to fit a Dyna S ignition. www.z1enterprises.com is a good place to get one...

Is the Dyna S now called the Dyna 2000? Thats all I could find on the site... Also it says its for a 78-81. I have a 82'

[mike_of_bbg]

Is the Dyna S now called the Dyna 2000? Thats all I could find on the site... Also it says its for a 78-81. I have a 82'

If you need it you can get the DS3-2 (an eBay seller, ATV Galaxy, sells them for ~$117 shipped). I know it says 78-81, but it will work on a GS550LZ. Trust me. See my sig Some 82 models have electronic advance and require the Dyna 2000. The GS550 isn't one of them (until 83).

[mike_of_bbg]

Here's the page for the Dyna S:

http://www.dynaonline.com/skins/products/sportbikes/dyna_s/

[s276l]

Mike, Do you use the stock ignitier and coils with the Dyna S?

[mike_of_bbg]

Coils yes are compatible, ignitor no. The ignitor is replaced by the Dyna S, which wires right to the coils. The ignitor is built-in to the sig gen, so to speak.

I did use the left-over ignitor harness to grab the switched +12V for the coil relay mod, though

[s276l]

I was wondering how it worked, now it makes sense. Thanks Mike. I am going to follow your lead and get the Dyna S and do the coil mod. I plan on having the bike awhile so it will be worth the money.

[mike_of_bbg]

If you think that will help. ATV Galaxy just re-posted on ebay but it's up about $5. Still the best price around methinks. My old ignitor would work great until it got hot. Sounds familiar.

http://cgi.ebay.com/ebaymotors/Dynatek-CDI-ECU-Ignition-Suzuki-550-750-850-Dyna-DS3-2-_W0QQcmdZViewItemQQhashZitem20b9fd2109QQitemZ140559327497QQptZMotorcyclesQ5fPartsQ5fAccessories#ht_1821wt_932

One mod you will have to make if you install the DS3-2; the included spacer is too thick. This seems to be true of a lot of DS installations on the EI bikes. The included rotor is too short and can slip off the mechanical advance, so they include a spacer. But the spacer is too thick and when you tighten down the crank bolt the rotor can't advance. I sanded down the top of my rotor about 0.6mm. You could also try finding a thinner washer as a spacer. Just so it can turn freely and not lift off the mechanical advance.

[s276l]

thanks Mike. I just bought it!