My 1986 has soft shocks. There is a big nut at top and a small nut at the bottom. How to adjust oil level for more stiffness? What should be oil level below upper nut? What oil to use? What weight? Should oil be changed? Any special shock absorber oil?
better replace the pair of front shocks.
GEt your bike's front Shocks serviced fron some work shop & ask service man to used ATF (automatic Transmission Fluid) or Hydrualic oil. For stifness u may need to replace damping spring which may have become softened with passage of time.
I do know about older CG125 shocks with external springs used 100cc of ATF in them, while the internal spring ones used 10W30 engine oil in which you need a dipstick (piece of wire) to measure the oil.
Thanks everyone.@XulfiqarYes I use a makeshift dipstick too but I dont know how deep the oil should be.