Author Topic: Newtronics igniton - points to note for install  (Read 335 times)

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Offline joolsuk

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Newtronics igniton - points to note for install
« on: July 30, 2018, 06:50:18 PM »
Newtronics electronic ignition - Things to know:

This is not a how to guide  - there are instructions of sorts in the box BUT my experience in installing one of these , never having done it before I found a few issues that stopped the install in it tracks. Issues that could easily be prevented.

My bike: RD250D 1977

Pre – requisites:

Bolts: (make sure you have these before you start) They are only needed if you need spacers.
If you need the spacers (that are in the box) to allow the pickups not to hit the cam then you need longer bolts. These are not in the box. They provide (circa July 2018) 10mm bolts and you need 11-12mm ones.
They are M3.5*0.6(pitch)*12mm
They are easily available of eBay and I had to file my 12mm ones. This filing did not cause any issue with the thread as it is so fine.

If you have these then armed with a modicum of tools you can complete the job but note the following:

Brushes assembly: see picture
You need to keep this on with the accompanying 2 wires.
These 2 wires along with the points wires fit into a plastic connector near the battery.
(I made the mistake of cutting them and removing the assembly. It charges the battery I am told.)
(Mine had two green wires coming from the assembly)

Sensor spade connectors:
On mine they needed attention as were all bent and could not fit without a lot of work with a small screwdriver. Just be aware of that and it will save some swearing.


Timing when all installed:
You will need to static time the bike with a dial gauge for initial setup. A task that for some reason takes me ages. I won’t go into this as there must be a write up on here for that but you need a dial guage.

The sensor box has lights on it and I found the LH light corresponds to the left cylinder and RH light corresponds to the RH cylinder. (The middle one I ignored).
This depends on how you position the pickup sensors. Do it as in my pick and the above applies.

Those lights work as one would when using a timing bulb when using your timing dial.

All I know is if I read the above it would have helped me no end. Two strokes to me are funny beasts. But boy is it worth having a non points system !

UPDATE:
it was found that the timing plates could not be adjusted
enough due to not long enough travel on the adjustment.
I found using one screw to hold it allowed getting nearer
to the 1.8 I needed. I think however it needs to be filed out a bit .
Again poor quality .
I think I will have to use a dremel to add a few mm to the travel when I next do the timing
so both holding screws can be used .
« Last Edit: July 31, 2018, 07:01:01 AM by joolsuk »
1977 RD250D (mechanical restore)
1980 GS550E
1982 GPZ750R1 (mechanical restore)
1980 GSX250E (mechanical restore)

Offline joolsuk

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Re: Newtronics igniton - points to note for install
« Reply #1 on: August 08, 2018, 02:29:14 PM »
Update:
I attach a picture of the sensor plate that in addition to the above will
very probably need to be be filed to allow for more play.
Otherwise you will have the situation i had where you cannot get the timing right and it will be
(in my case 1.7 instead of 1.8 at maximum play)
Filing was the only way to allow it to move to get 1.8.

the picture explains.

But that's it - if you know the above and are ready for it its not that bad ! I didn't or at least
not to this exactness.
Damned good when on ! instant better at lower revs, tighter and smoother running.
« Last Edit: August 08, 2018, 02:31:24 PM by joolsuk »
1977 RD250D (mechanical restore)
1980 GS550E
1982 GPZ750R1 (mechanical restore)
1980 GSX250E (mechanical restore)

Online murp

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Re: Newtronics igniton - points to note for install
« Reply #2 on: August 09, 2018, 05:56:55 PM »
I've just ordered newtronics  yam2 kit for my 400c.... and some m3.5x12mm screws on your recommendation. .. I'll let you know how I get on...Cheers jools

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Online murp

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Re: Newtronics igniton - points to note for install
« Reply #3 on: August 10, 2018, 01:14:55 PM »
Jools one of the plate mounting points on your picture is I think incorrect... that's where the condenser went....

Look at picture below.... that's how I think it should be

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Online murp

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Re: Newtronics igniton - points to note for install
« Reply #4 on: August 10, 2018, 01:42:37 PM »
Mounted on the underside of the mudguard is a pretty tight fit with seat closed.... lucky my agm battery leaves room to fit control unit in battery box.....

Result

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Online murp

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Re: Newtronics igniton - points to note for install
« Reply #5 on: August 10, 2018, 02:10:51 PM »
I'm stuck .. can't do any more until I get the 12mm long screws because I need to use the spacer plates......they are on order from ebay... Cheers  jules

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Offline Motty

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Re: Newtronics igniton - points to note for install
« Reply #6 on: August 10, 2018, 04:12:25 PM »


I'm stuck .. can't do any more until I get the 12mm long screws because I need to use the spacer plates

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I think the screws that hold the household plug and light switch facias are 3.5mm.......


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Online murp

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Re: Newtronics igniton - points to note for install
« Reply #7 on: August 10, 2018, 06:27:51 PM »
Thanks motty . .... found some of them but they got chamfered heads....but cheers anyway

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Offline joolsuk

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Re: Newtronics igniton - points to note for install
« Reply #8 on: August 10, 2018, 09:22:11 PM »
@murp.
Cheers for heads up. I'll check on mounting points.
I was gonna say I can't have been that stupid .... but that would open up a mailstrum .
I'll check and report.

Same as where I put sensor box .
1977 RD250D (mechanical restore)
1980 GS550E
1982 GPZ750R1 (mechanical restore)
1980 GSX250E (mechanical restore)

Offline ItsBrokenAgain

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Re: Newtronics igniton - points to note for install
« Reply #9 on: August 11, 2018, 08:56:35 AM »
Good post

How did you fix the control unit to the rear mud guard ? I used a cable tie to hold mine in place via a couple of holes drilled in the mudgaurd

It just about holds it in place but not very well