January 31, 200818 yr Has anyone any tips on improving the suspension on the Bultaco Forks. I have seen Fork Tops with air values do they make a difference. What would be the difference using SAE10 oil or SAE20 oil? Thanks egsmyth
January 31, 200818 yr Hi egsmyth, Best mod I found for the Sherpa forks was to make up a spring spacer that recess's nicely into the fork cap and spigots into the spring, about 25mm long, nylon or aluminium as the forks tend to sag a bit. I use 10 weight oil. 20 is thicker and may give you too much damping action. Some lads tried fork tops with air valves back in the 70's but never to any brilliant effect. The 348's have them as standard I believe. The air pressure supplements the spring action, usually about 10 to 15 psig. Bye, PeterB.
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