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An update!
I had the widget repaired and now have a linear response to revving the engine but only to an indicated 5500rpm although it sounds more. I think I am going to have to open the tacho up to investigate further.
Any ideas?

Thanks will give that a try first.

thanks again
I have been led to part 3 of Soren Hansens opus on youTube on Moto Morini ignition in 4 parts. This offers two circuit diagrams that can be home built for this problem . I will engage a "relatively confident DIYer" to build one as that is not me.
Who knows the tacho may not be the ...

Thanks, thats confirmed my worse fears!.
It also limits my options. I note in tutto gas vol 390 the conversion of the chinese tacho didn't work on CDI units without a dedicated lead which is my case.
I am not electronically minded but will see if someone can replicate this board as a starter or ...

Thanks, thats confirmed my worse fears!.
It also limits my options. I note in tutto gas vol 390 the conversion of the chinese tacho didn't work on CDI units without a dedicated lead which is my case.
I am not electronically minded but will see if someone can replicate this board as a starter or ...

While the tank was off my 1975 3 1/2 Strada to put in the new fuel tap diaphragm I decided to see if anything could be done for my electronic tachos erratic decidedly non linear performance .
Tracing the wires ,tucked up under the frame I found this

IMG_20250213_135447_454.jpg

It contained this ...

Further to previous post I found these photographs

this shows the press in circular central plug on the outside of tacho drive (silver grey)
IMG_20190928_142405.jpg

This is the broken shaft lying on the helical drive .Drifting it pushed out grey disc releasing helical drive shaft.
IMG_20190928 ...

Had the same problem ,couldn't get a replacement. In desperation I drifted the drive bar out. This pushes out the disc on the outside which is a press fit.
I then replaced the broken drive shaft with some square section bar. I put loctite on the outside disc and tapped it back in. I always covered ...

Hi all
Saw article in A Tutto Gas, hope to catch up with you at the Green Welly on Saturday from the west of Scotland
Best regards

http://www.morini-riders-club.com/forum/download/file.php?mode=view&id=2703
http://www.morini-riders-club.com/forum/download/file.php?mode=view&id=2704

Reluctant sale of my Morini 350 Kanguro X3 model.
Manufactured in 1989 Imported in 1998 and has 10255 Km on clock.
It runs well, has an MOT until ...

Great, will get started on it, thanks for doing that.

A template is just what I need. Would be very grateful if you could make up one and put it on forum.
Thanks

That would be great, please let me know if you find it .
Thanks

The coloured tank pad above the front of the seat has always been missing from my bike and appears unobtainable (part no.32.03.39). I would be grateful if an X3 owner could give me a close up photo/diagram with some dimentions of the base plate so I can make one to go with the new seat cover when it ...

Benjy will have it!