Hello, I'll soon be working on a 642b. S/n 50402895 It has the Mitsubishi motor. I am trying to find fuel pressure spec. This is a carburetored engine so I expect it to be low. Owner said he put inlinefuel pump on machine and is saying 35-62 psi for pump. To me that sounds like alot but perhaps I'm wrong, I've not worked with this engine before. Timing may also be off but that I can attend to easily enough. I tried looking up info on the machine but couldnt find engine info. Would some one point me in the right direction? I do not have any engine numbers at this time. Thank you for your time
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