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Technical Help Forum
Started by wedge at 05-22-2009 2:18 AM. Topic has 10 replies.
  
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 05-22-2009, 2:18 AM
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wedge
Joined on 05-22-2009
Posts 14
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G7 250W stator + Ignitech
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05-22-2009, 3:54 PM
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wedge
Joined on 05-22-2009
Posts 14
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Re: G7 250W stator + Ignitech
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Oops, members only section.
Here's the cut and paste, formatting messed up but late and tired and it's readable,
It had been theorised that the cheapo G7 250W stators (wemoto £35 on a good day) can be used with an ignitech.
They can indeed! got mine running today.
Not many issues but I'll run through anyway.
Firstly, this is the stator in question:
Leads are plenty long enough, but connectors that come with it are female and need to be male. Not too much of an issue if you have the old wiring (which I didn't - kindly supplied by reggie as was copious amounts of help) Also that black tube IS NOT heat shrink (ask me how I know, gwan, gwan, gwan)
So you'll be needing some of these:
Get them from autoelectricsupplies.co.uk or ebay (towzatronics does good multiple postage discount, think they were listed as 6.3mm - DON'T get the ones they sell at wilcos - they're too short.
These ones will actually be longer than the ones on the bike but only slightly and they fit just fine. I have  some[/i] spare if anyones desperate but only some.
You remove the old ones from the block by sticking a fine screwdriver in the indent of the slot holding the blade from the connecting side and pushing the old blade through - here I've used needle nose pliers and balanced the camera on my ears (does it show?)
Next issue, the G7 doesn't have an inbuilt earth, but since you now have a big empty space at the rear of the engine where the advance pulser was and you'll have plenty of room in the mini loom in a minute you can wire an earth there. Heres the original mini loom:
Now the top left pale blue arrow is your blue/white coils - this needs pulling out, the lower blue arrow is the stator coils which need replacing with the lovely white ones on your shiny new stator using the spade connectors above. The green bracket shows the neutral light switch which I've actually wired seperately since I resleeved the mini loom and it was tidier my way. (don't have to follow me though)and the bottom yellow arrow is your earth which can be wired to one of 3 screw holes in the very rear of the casing where the advance pulser was:
Then you can strip out wires on pins 3 and 7. I stripped these completely from the mini loom and ran new earth wires through (had to widen a couple holes in the plastic grommet and sealed any redundant ones with black silicone)
So my revised mini loom looks like this: (Ignore the scotchlok, following advice from Reggie on multiple redundancy of Earths, i actually ran 2 earths from the engine case in the end, one for the ignitech and one to the main earth strap.
Then I dry fitted everything, use same torque values as original which I think were 10 ft lb and stick a meter on EVERYTHING! using the pin out above, though now you're only worried about pins 1-6 which should be all you have left. And the white wires from the stator where you want high resistances on all phases of the stator to earth and about 1-1.5 ohms between any two phases.
Putting it all back together - my stator was actually slightly bigger than the original reducing all round clearance between it and the rotor from 2mm to 1mm!!! however this didn't seem to be an issue and nothing has fouled. Since I was tidying my loom anyay I've done a dedicated feed to the red for the ignitech.
Then it's just follow the new club anthem:
"White to Yellow,
Orange to Pink,
Green to black and white"[/i]
Plug the "new" connector block from the stator into the reg rec, and main connector from mini loom to ignitech and Bob's yer Mother's Brother. So here's the video of it running for 1 second cos I can't use my camera properly:
http://www.flickr.com/photos/36595080@N07/3550617375/
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05-22-2009, 7:48 PM
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Blindstitch
 
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,838
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Re: G7 250W stator + Ignitech
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Nice mod. Just curious. What other bikes/engines did the stator you picked up say they fit in?
1979 CX500 Supertanker
ATGATT makes riding a bike like a sled easier.
Quick Reference
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05-22-2009, 8:47 PM
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A143road
Joined on 10-08-2008
Spring,Texas
Posts 354
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Re: G7 250W stator + Ignitech
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Nice...that's some good info and pix. good job.
I purchased a good 82 CX stator off the bay,not here yet though. I'll have to use the old CDI stator wiring harness so i'll have room for the wires. The 82 stator has no extra room for wires. That doesn't look like a problem changing things though.
I was worried about the voltage reg. but Trev_h said there was no problem. I can't wait for the finished product so I can move on to the rest of the build.
Thanks for the right-up.
John
46% 10-300 Biplane/RC.
1978 CX500
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05-23-2009, 3:59 AM
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wedge
Joined on 05-22-2009
Posts 14
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Re: G7 250W stator + Ignitech
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03-03-2010, 10:35 AM
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NateDawg
Joined on 10-15-2008
Oshkosh WI
Posts 491
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Re: G7 250W stator + Ignitech
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My stator died. The links in this thread no longer work :( Im lost as to where to start looking. What do I need for a 78-81 cx500 other than the original?. A g7 or g8? Whatever the stator is in a 82 gl? Thanks!
78' Standard Maggot
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03-03-2010, 10:39 AM
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Blindstitch
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,838
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Re: G7 250W stator + Ignitech
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G7, G8 and and 82 stator will all work the same with the ignitech.
1979 CX500 Supertanker
ATGATT makes riding a bike like a sled easier.
Quick Reference
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03-03-2010, 10:52 AM
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Blindstitch
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,838
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Re: G7 250W stator + Ignitech
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03-04-2010, 6:25 PM
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ride/hike
Joined on 02-24-2010
North Carolina
Posts 53
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Re: G7 250W stator + Ignitech
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While I have my 80 CX500 torn down for Cafe Racer modification, will replace the CDI with Ignitech ignition system. What other items have to be installed with the Ignitech upgrade? Been looking through the Honda 81-82 parts manual, but cannot find the Ignitech part number.
Advice/Help will be appreciated!
Thanks!
Bill
Converting 1980 CX500D 38,000 miles, to a Cafe Racer
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03-04-2010, 6:50 PM
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Blindstitch
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,838
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Re: G7 250W stator + Ignitech
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03-05-2010, 4:31 AM
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ride/hike
Joined on 02-24-2010
North Carolina
Posts 53
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Re: G7 250W stator + Ignitech
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 Blindstitch wrote: | |
Got on the group buy list for two Ignitech units.
Will check existing stator output during test run and replace if needed.
Thanks!
Bill
Converting 1980 CX500D 38,000 miles, to a Cafe Racer
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Honda CX500 & G... » CX500 GL500 Tra... » Technical Help ... » Re: G7 250W stator + Ignitech
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