the 13b 84-88 mecanical pumps have 4 outputs, just block one off and use the other 3 (to my knowledge they all output the same volume). the 12a pumps are the ones with 2 outputs.

 

hey ...now where talking , i need to get my hands on one of these

 

i spoke today with richard sohn , the guy that sells the RA omp adapter , as he explains to me ,
You can use this , adapter , with the adjuster and you can draw fresh oil (twostroke) form a separate tank so your`e not using engine oil ,
Tha adjuster lets you literally adjust the amount of oil metered into the engine , he spoke of it beeing able to djust from lowest to max with an adjustment screw , also he did mention it can go 100:1 and 140:1 ...so there might be something there
so no one has tried these huh ?

 

whoops thread resurrection.