aprilia RX125

goatblower · Two Stroke Sniffer Joined: 11 Dec 2005 Karma :

hello folks just found this forum - can anyone help?

I'm rebuilding a 1995 or thereabouts RX125. It has the simplest electrics that you could imagine being not road legal, but there's no spark. According to the Rotax 123 engine manual the coil has failed, stator etc OK

the coil is the blue SEM 101 888 00.

Question is where can i get one without paying the earth, or can I substitiute one from another model?

thanks

Kickstart · The Oracle Joined: 04 Feb 2002 Karma :

Hi

Virtually the same ignition system in all the 125 Aprilias from about 1988 to the late 1990s. 2 types of coil, and I think the earlier ignitions work with both coils. They regularly appear on Ebay.

New speak to Peter Knight on 0176 141 4106. Think they are around £125.

All the best

Keith
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goatblower · Two Stroke Sniffer Joined: 11 Dec 2005 Karma :

thanks for the quick reply - £125!!!! I'll be watching ebay then, or might try fitting a Honda C90 system as described on this link.

I guess it's worth a try

https://www.btinternet.com/~jhpart/bkns125a.htm

quik_d · Could Be A Chat Bot Joined: 18 Mar 2005 Karma :

i'll have a look in my shed, i had one of them from my old aprilia tuareg 125- just like RX but paris dakar styling. I think the chances are it got thrown out when we moved but i'll check tomorra
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Kickstart · The Oracle Joined: 04 Feb 2002 Karma :

Hi

One went on Ebay a few days ago for about £7. I was watching it to get as a spare but forgot.

Bit of a check shows you have the later type coil, so you need another blue coil with the "101 888 00" numbering (the older ones were 101 815 ** and will not work on your bike). The very early AF1 used a similar ignition system but had no advance / retard and the coils on these are black. Do not use one of these.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

goatblower · Two Stroke Sniffer Joined: 11 Dec 2005 Karma :

thanks guys - I'll keep checking but if anyone see one before I do then I'd be grateful for an email Thumbs Up