BF 50D efi VST

[Barrabella]

Is it possible to access the High Pressure fuel pump from BF50D EFI without removing VST from motor. I ask because removal of VST seems quite complicated. If I have to remove VST can anyone who has experience of this point me in the right direction or give a step by step guide. Thank you.

 

[William01]

1999 DF70 stumbling/surging around 3500 and will not rev past 4200 RPM

I just mounted an old DF70, 1999 ( in Evinrude colors) to my 5,1m center console. It starts and idles like new (as far as I can tell). Acceleration is good and it runs smooth until it hits 3500-3700 rpm where it begins to stumble/surge, there is still a lot of travel on the throttle at this...

www.marineengine.com

See post #2 Not your engine but it might help.