technical projects


For those wishing to have a go at installing an oil cooler,
adding twin disks, sorting out wiring problems,
engine rebuilds or whatever, there may be something
on this page to help.

Model ID
A new page with a comprehensive chart for model identification.Click here:- Model ID

Carbs - Mikuni VM 34mm.
Adam Fullers account of the installation of these non-standard carbs:- Read here

Oil Cooler
The XS650 has a tendency to run on the hot side, and the addition of an oil cooler seems like a sensible modification. If you wish to allay the cost of having this work done by doing it yourself, here are some photos showing how it is done. See how...

A different approach can be viewed at this site.

Adding a second front disk
Additional breaking power on the imported XS models can easily be achieved by adding a second disk and calliper.
Note: the alloy sliding type callipers require a larger master cylinder (easy to source) however for the older cast iron type a larger master cylinder is very hard to find.
View an extract from a letter on the subject by Steve Cooper here.

Steve Cooper's Oil filter repair
The oil filter in the sump of the XS650 is notorious for splitting - here Steve explains why, and shows his answer to the problem. Click to Learn More

The Folded Vee (excerpt from Bike SA)
Click to read article


750 or 850? Your questions answered from David Rayner, Australia

Go to David's letter - click here