NOS ignition pickup coil - how bad do you want it?

[LAB3]

If you remove the 3 screws with the pick-up coils on it and just replace that part, then the bolts do not need to be drilled.

Yeah, that was my thinking too.

[DEEBS11]

Did you need to use a bolt extractor to remove the old bolt shaft? Was there enough material to grab with vice-grips and unscrew the tamper bolt out?

[speedlimit85]

I used a drill to remove the heads of the tamper proof bolts and then removed them by hand.

[DEEBS11]

Thanks speedlimit85, that does not sound too bad.

[speedlimit85]

[DEEBS11]

Nice shoulder bolt. M8 X 1.25 threads?

[DEEBS11]

I found that a 78 has a conventional pan head screw (they must have changed due to dealership warranty issues of customer tampering) part # 97885-06030-00. The middle of the part number states it's a M6 x 30mm length. I'm guessing the thread is 1.25mm.

https://www.venturerider.org/forum/forums/topic/22386-how-to-find-yamaha-bolt-sizes/

[DEEBS11]

Here is a picture of a 1980 anti-tamper screw. It looks like an M6. Part # 3H5-81674-00-00.

[bikerphil]

The thread pitch on those is 1.0

[DEEBS11]

Thank you Phil.

[bikerphil]

Yep, I used a gauge to double check.

[ellieenby]

For the money I'd be tempted to go with this.

https://www.elektronik-sachse.de/sho...ha-xs1100.html

You saved me so many hours of research by posting this link, my project bike had this installed into it and was ripping my hair out looking for where the ignition pick up coils were on my bike. Tysm.

[LAB3]

You saved me so many hours of research by posting this link, my project bike had this installed into it and was ripping my hair out looking for where the ignition pick up coils were on my bike. Tysm.

I've never used it but have kept it in mind just in case. It was actually another member here asking if anyone tried it out that led me to it.

[Mathh]

Hi LAB, I'm not sure if that unit would survive the environment of heat and cold more that a few years. It has never been tested because there is no documentation other than a sales ad. Maybe it would last. Maybe it wouldn't. The original equipment has lasted up to 45 years. I would spend the money on the real deal.

If I remember correctly some of the Australian members use this Sachse unit as do several German members. All without problems and i know it is hot where some of them live. I always found Sachs expensive but comparing it to that NOS part on Ebay I think I changed my mind

[Ccitis]

Sorry to hijack, but does anyone know the proper gap from the sensor to the part that spins?