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I want to put a CDI ignition on my '74 TX500 but all that I can find are for XS650's. Are the points systems any different from each other?

I am looking at the Pamco Electronic Ignition Kit on http://www.mikesxs.net/mikesxs-electrical....category_id=2.1

Hi there the point plates on xs650 and tx were different but may fit you may want to browse the HPI web site you may find a better system. I have an HPI system on my FS1 it works fine !!!!

Regards Jim

I want to put a CDI ignition on my '74 TX500 but all that I can find are for XS650's. Are the points systems any different from each other?

I am looking at the Pamco Electronic Ignition Kit on http://www.mikesxs.net/mikesxs-electrical....category_id=2.1

get a ahold of pete, ask him he's great on fitments , im using his VR291 along with two radio shack rectifiers on my xs, a system he designed. the guys real helpfull.

http://www.yamahaxs650.com/

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Hi there the point plates on xs650 and tx were different but may fit you may want to browse the HPI web site you may find a better system. I have an HPI system on my FS1 it works fine !!!!

Regards Jim

Right now I think I want to stick with the Pamco system BUT I will definitely take a look at the HPI site for consideration.

Thanks!

get a ahold of pete, ask him he's great on fitments , im using his VR291 along with two radio shack rectifiers on my xs, a system he designed. the guys real helpfull.

http://www.yamahaxs650.com/

Emailing him now, Thanks!

  • Author

Does anyone know the firing orientation of the TX500 engine? 360, 180? This is one of the questions Pete is asking me.

  • Author

found it, 180 degree phased twin.

hmm, anyone know if the part the points cam mounts on is 8mm, similar to that of the xs650?

  • 4 weeks later...

Pointless ignition is what im looking for too...keep us updated in your progress

  • Moderator

Pointless ignition is what im looking for too...keep us updated in your progress

ignition isn't pointless, its needed to ignite the fuel/air mix :lol:

  • Moderator

Thats so corny...I could have said it... :whistle:

too slow my friend, too slow!! :tounge:

  • 5 months later...

So what did you end up using? and how did everything work out? - curious because I am looking to do the same. Just sent Pete an email, and waiting for a response.

ignition isn't pointless, its needed to ignite the fuel/air mix :lol:

Has anyone noticed that the XS650 ignition system is run off the end of the camshaft and the TX/XS 500 is run from a secondary shaft running off the crankshaft the logistical differences between the 2 are large. years ago the light sourced ignition systems (which sort of retained the points, less burn,) could interchange but modern CD!/TCI would have loads of problems .... Sorry Drewps for replying to your post but it was one of the shorter ones !

Regards Jim

  • 2 months later...

Has anyone noticed that the XS650 ignition system is run off the end of the camshaft and the TX/XS 500 is run from a secondary shaft running off the crankshaft the logistical differences between the 2 are large. years ago the light sourced ignition systems (which sort of retained the points, less burn,) could interchange but modern CD!/TCI would have loads of problems .... Sorry Drewps for replying to your post but it was one of the shorter ones !

Regards Jim

well i think i have the answer check this link out

http://www.angelfire.com/biz/laverda/itcatalog/i1.htm

...Unfortunately Newtronic went out of business. I've been looking for an electronic ignition for my XS500 for about a year now and have had no luck. <_<

  • 6 months later...

...Unfortunately Newtronic went out of business. I've been looking for an electronic ignition for my XS500 for about a year now and have had no luck. <_<

anyone got any more info on this???

the xs650 kit won't work as that engine is a 360 crank, regardless of fitting problems it just won't work.

Newtronic are still going in one form or another, but I used to be a dealer for them, and I remember the number of warranty claims being so high I binned them. Terrible set up that just kept breaking down.

You should have a look for XS 250/400 and see if that can't be made to fit.

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