Fork oil filler checker
Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models
Thanks to Hayden for sending me this information via email. In Hayden's own words and photos:
When I refilled the legs with fresh oil, I made a dip stick out of rigid plastic. Put it down and see where the top of the oil is. Adjust free length with cable ties to set depth. Connected that with fish tank air line to a 60 ml syringe.
I can now use the syringe to measure and squirt in the right amount of fluid.
If I want to check the fluid, half fill the syringe with oil, put the pipe in the fork leg, squirt it in the oil and the pull it back up to suck up excess. Level is now fully sorted. Thinner tube works best especially on the lowest bit otherwise the oil can run back down the tube too easily. ID of mine is 2.5 mm. Made it from scraps except for the syringe - about £3.