In search of bass rig

[BassPastor]

7 minutes ago, liphunter said:

I don't add additives. But what I try to do. Based on some advice from wrench. I just try to keep the gas fresh by not putting much more than I need in it. Not to fill it up just for the sake of filling it. Seems to work well enough.

That’s a good point. What have you found to be about the right amount for you? This boat holds 50 gallons which would probably last me quite some

time. 

[jdmidwest]

9 hours ago, snagged in outlet 3 said:

I've been running mine out of gas ever since listening to @fishinwrench  I'm additive free!!😂

You mean "pull the hose and run it till it stops" kinda thing?  Did that all the time with my 2 strokers.

But, now I just pay the extra for the ethanol free stuff.  And over half the fleet is converted to 4 strokers.  They are Mercs, gonna puke anyway.

[snagged in outlet 3]

15 minutes ago, jdmidwest said:

You mean "pull the hose and run it till it stops" kinda thing?  Did that all the time with my 2 strokers.

But, now I just pay the extra for the ethanol free stuff.  And over half the fleet is converted to 4 strokers.  They are Mercs, gonna puke anyway.

No.  As the season winds down I only put in what I think I’ll need.  I had one more trip planned but weather got undesirable so I have probably a half gallon in there about 3.5 weeks old.  Evinrude 

[fishinwrench]

I use my overly aged fuel to kill weeds (it's safer and cheaper than ROUNDUP), wash old greasy outboards and trailer wheel hubs. It also helps keep the mosquito and tadpole populations down in my test tank......Which kinda proves environmental scientists wrong, since I can run sloppy old 2-stroke outboards in it almost daily and STILL have tons of living aquatic organisms in it.  

[Ketchup]

Congrats on the boat. Can’t go wrong with a bug. 
 

Im also one of those the just dumps gas in the tank and goes. Used to use the 360 in my tanks but no clue if it did anything. No issues running 3 boats without anything. 
 

Hollar if you have any Skeeter questions. Bug owner myself. 

[STLbassbuster]

On 2/15/2021 at 11:35 PM, fishinwrench said:

Just an FYI, I've done cylinder drop tests on Yamaha HPDI's in neutral at an idle.....and they do idle on all 6 cylinders. 

I think what you may be confusing that with is the "shift interrupter" which momentarily kills the spark on 3 cylinders when initially shifting into gear, and out of gear, in order to make the shifting process go a little easier. (So that there's no hard CLUNK! when shifting).   

Many Mercury V6 outboards are similarly designed.

Mixing extra oil in the fuel will trick the ECM into thinking that the injector pulse width is too rich....and will limit performance. 

And finally "Ring Free" , while it doesn't hurt anything, does literally NOTHING to help your engine.....it is just yet another hit to your wallet. Save your money and use it to buy another Wiggle Wart. 👍 

Nothing jack's up a HPDI engines operating system any worse than mixing up some Grandpa invented witches brew in the fuel tank.  Everybody needs to stop doing that !   

Now, let's review.....What goes in the "FUEL.TANK" of a DFI outboard?

That's right.....FUEL !   Nothing else.     👍

Interesting because this is what Chris Carson said about the shift switch:

"The switch has two functions,one to keep the motor running on 4 cylinders in neutral,and to revert the motor from 6 cylinders in gear to 4 cylinders during the shift.This dropping of two cylinders when the shift linkage is loaded(tensioned by cable force) allows the clutch dog to release it's grip somewhat on whatever gear it's engaged with.This is an old technology,started in the 60's by Mercruiser"#1 drive and shift switch that grounded the motors points killing the motor momentarily during the shift to break the continuity of power through the drive system,allowing the clutch dog to slip easily from it's grip on the gear it's in.This type of shift assist has been utilized one way or another over the years by many manufacturers,and as technology advanced most systems incorporated a "miss or stumble" by killing some cylinders instead of all,reducing the chance of stalling the motor during the shift,while still providing the necessary momentary break in the continuity of torque in the drive system to allow easy disengagement of the clutch.
Yamaha decided to maintain the motor in this missing condition while in neutral,and I think it's for a reason.Motors need to be under some load while running to create enough heat and pressure to burn the fuel/oil to ash and not just load up with partially burnt oily,fluffy carbon.By idleing on four cylinders the motor has to work a little,carrying the two dead cylinders...this work is replaced by prop load when the motor is in gear.A workload is instrumental in creating the heat and pressure to to create a clean burn,resulting in lower emissions,and I think this is Yamahas method.
Consider Mercurys inline 4 cylinder that idles on two cylinders,picking up the other two at high trolling speed...The bottom two carbs don't have an idle circuit at all,and although they sound a little strange during transition from 2 to 4 they run quite well,and are quite effecient for carb motors."
My thoughts,Chris

 

[fishinwrench]

Well the Yamaha HPDI wouldn't respond to a cylinder drop test across all 6 cylinders if it was idling on only 4 cylinders, now would it ?

And I promise you that it does indeed respond.  Mr. Carson is pretty brilliant with intake designs (I guess) but this isn't the first time that his "theories" and quotes have been flawed.  Notice that he said "I think".... more than once. 

 If what he says (thinks) were true then the HPDI would be the spark plug fouling-est outboard ever developed. You can't just kill the spark to a cylinder, idle 1/4 mile+ and still expect that cylinder to respond when it's time for a hole shot.  Doing so to 2 cylinders would just make it that much more unreliable.   He's mistaken.  You can do that and get away with it for a few seconds, but not for several minutes.

The inline Merc 4 cylinder he spoke of does likewise, even though they are allegedly "designed" to only meter enough fuel/oil during idle on the lower 2 cylinders for lubrication, but not enough for combustion.... Combustion and ignition of those bottom cylinders DOES occur.  If you don't believe me then pull those two spark plug leads off and see how she idles.   (Lope-Lope-Lope-- Blahh 😅)

 

A lot gets printed in manuals and taught to students about outboard motor operating systems that simply isn't entirely true, even at factory training facilities.  This is why EXPERIENCE often trumps that fancy piece of paper they call "Certification".    

Welcome to my life!   Now you know why I'm often such a cynical jackass. 😅