175 evinrude question

[cormorant]

explaination is here on page 5 - (178). Full service and problem solving in the document

http://www.seatechmarineproducts.com..._Reference.pdf

[FNQCairns]

As mentioned above my thoughts too on the uneven turning pressure issue will be type of cylinder, it doest take long for the brain to mostly forget about the issue.

Anyone own a 4 stroke with controls that will allow free reving? Will it free rev??

[Greg P]

MY DF150 Zuke will let you free rev in neutral to about 1500rpm (I think) by using the warm up lever

[FNQCairns]

MY DF150 Zuke will let you free rev in neutral to about 1500rpm (I think) by using the warm up lever

Yeah that would be right, I have not had much to do with the workings of 4 stroke outboard equivalents of efi cars. Would be nice if same as typical EFi vehicles one could introduce full throttle movement for starting, would in theory save quite a few tows home of 4 stroke engined boats each year.

Doesn't really matter though.

[Flex]

explaination is here on page 5 - (178). Full service and problem solving in the document

http://www.seatechmarineproducts.com..._Reference.pdf

Thanks alot for the info! I'll give it the once over when i go down on Wed to pick it up.

Cheers..

[cormorant]

Yeah that would be right, I have not had much to do with the workings of 4 stroke outboard equivalents of efi cars. Would be nice if same as typical EFi vehicles one could introduce full throttle movement for starting, would in theory save quite a few tows home of 4 stroke engined boats each year.

Doesn't really matter though.

Not sure I understand. Noot many flooded motors out there is there? With the electronics it would just put more fuel in with the TPS setting saying it needs it .

[FNQCairns]

Not sure I understand. Noot many flooded motors out there is there? With teh electronics it would just put more fuel in with the TPS setting saying it needs it .

Yeah well that's sort of the point, if a modern 4 strokes doesn't have the ability to open the throttle body to align with foot pedal position upon first rotation of the engine...a bit like it seems the DI 2 strokes will not, then the once simple get me out of trouble procedures are mute.

Still modern technology will never be able to lock out the Start Ya Bastard procedure.

[bigjimg]

I don't know about the E/rude but Merc optimax will not rev in neutral the ecu will not let you unless she is in gear.


Flex ,

Are you sure you have a Hydraulic steering? thats typical of a cable steering mate , hydraulic has the same load both sides .
If its hydraulic it will be seastar and there will be something wrong with it if it behaves like you say it does.

2 Stroke DFI engines don't blow any smoke at all and they comply with CAL emissions , they also use a lot less fuel than normal old school carby and EFI 2 strokes , they use about the same as modern EFI 4 strokes , my 200 OPti uses 1.4lts per hour downrigging at 600 rpm and about 28 lts per hour at 3900 rpm doing 30mph.

What Opti have you got WRX,as mine has a throttle disengage mech and will allow you to throttle up out of gear.Also Flex,have you got a torque tale on the Evinrude,as with hydraulic steering I thought you didn't need one.Havn't got one on my 135.I've got seastar with a bullhorn ram and feel no pulling or feedback of any kind.Sorry WRX dogs were going off just saw you have the 200 opti,yours doesn't have the center push in button on the control box throttle lever. Jim

[cormorant]

.Also Flex,have you got a torque tale on the Evinrude,as with hydraulic steering I thought you didn't need one.Havn't got one on my 135.I've got seastar with a bullhorn ram and feel no pulling or feedback of any kind.Sorry WRX dogs were going off just saw you have the 200 opti,yours doesn't have the center push in button on the control box throttle lever. Jim

Trim tab to stop torque steer shuld always be left on in my mind as if you have a high speed steering failure of teh bolt that attached the steering arm or the bullhorn the boat will still steer relatively straight not turn sharply and throw you out - yep it can happen

In the olden days to set up twin setups on a mono you would actually set the trim tabs and do a run on the plane and then carefully remove the tie bar to get the exact alighnment with the laminar flow of water over fin and torque from prop - is a don't try this one at home kids. Actually interesting to see the hp loss and different speed achieved with small adjustments and often looked at wrong angles till you proved it to yourself.