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Well this should explain the half baked dbw implementation in 06-07 models. Basically looks like pre 06 indmars had throttle cables, and 06-07 at least moomba still hadn’t fully converted so throttle...

One additional note - I did have an issue (seems common with older boats) with neutral safety swotch where it would sometimes not register neutral even though the lever was in neutral position. The...

For demonstration, here are pics of the linkages I have. I looked back at video and it appears that the linkage moved fully from 80%+ forward. so maybe not linkage issuebut still could be throttle...

so you have only one linkage for transmission? I have two - i guess one for transmission and on for throttle. both move together when moving the throttle handle. can’t find any service manual...

no obvious mechanical issues i’m aware of.

don’t think there’s a misfire but not sure how to confirm easily without mefi scanner (no cheap options i’m aware of). plan to look at the spark plugs...

Would love to hear the resolution as well! Almost like a cylinder or two wasn’t firing assuming ~600rpm per cylinder and assuming not in a limp mode (check for codes).


Sent from my iPhone using...

Great idea on phone app, will have to compare.
PP can use speed or RPM set points. In fact according to one of their engineers earlier versions needed RPM signal to work even in speed mode. (bought...

Not crazy!!! But this was a diy/homebrew version of perfect pass, not needed for the real thing :)
Or to put it another way, believe pp display would already be calibrated from the factory to the...

hmmm - tach should be standard with the only question being how many cylinders just like all tach gauges right? it’s straight engine rpm so not sure what transmission ratio would have to do w it?...

Lake. Forgot to consider the current factor. Speedo has a calibration knob, but not rpm right... I do actually have a spare tach guage maybe I'll pop that in at some point to compare.

HMB - thanks for your inputs!

I'm currently far away from the boat, but before I left I was able to try WOT a few more times in different conditions, and took a peek at the spark plug wires.

I...

i have efi so there’s a linkage but no cable right? i can see the linkages moving but don’t know how to confirm the linkage is moving as far as it can when throttle is as far forward as i can...

to be clear the cut out above 2-3k rpm was only when in neutral. When under load i have 0 issues other than wot below the minimum. So is there any reason fuel would cut out in neutral but jot under...

07 obv with 5.7 indmar assault 325.
prop is a 13.7x17.5 mvc hc oj prop which i understand is stock diameter and pitch so iiuc the low rpm is not a prop pitch issue and ‘correcting’ the low wot rpm...