[atpalmer]

Originally Posted by dalv

Great post. Just got an old '90 650 and in the process of stripping to the frame to build back. Bike runs great but I thought a complete once over would pay off in the long run.

I planned on adjusting the valves - a little noisy - and this post is just the ticket. My only problem is what is the clearance for a '90? I have not been able to come up with a manual anyplace - if anyone know of a source paper or electronic that would really be appreciated.

Thanks for any help.
Dal

according to http://dr650.zenseeker.net/ValveAdjustment.htm
Pre 1996 DR650 Valve clearance specifications:

IN.	0.08 - 0.13mm (0.003 - 0.005in)
EX.	0.08 - 0.13mm (0.003 - 0.005in)

1996- DR650 Valve clearance (when cold):

IN.	0.08 - 0.13mm (0.003 - 0.005in)
EX.	0.17 - 0.22mm (0.007 - 0.009in)