Hi Dave,
please find photo of the gear from 2003 engine attached. If my math is correct it has 37 teeth. Unfortunately most likely I'll open 1986 engine not earlier than next autumn. I'll try to remember to take a photo of internals as well.
Dave wrote on 02/28/14 at 05:06:22:Kirill.....or any others that have both a 4 and 5 speed.
Next time you have the clutch cover off either or both of the engines, count the teeth on the crankshaft gear and clutch gear of the 4 and 5 speed engines....and see if they are the same. If they are different it might be a way to alter the gearing a bit.
Pages: 
