Leccy aside most manual controls will work the throttle and gears. It's the multi pole connector that usually causes the compatibility issues.
I have a hulk 25 litre if you want to fight the fuel gauge window back in... its just taking space up in my garage so yours for the postage but good luck getting the thing to seal. (I have the bits, just not assembled after umpteen attempts! )
+1 for Davie. He's helped keep / get 3 of my museum pieces running.