Optimax re Fourstroke

[Searider]

Did CJL have one of the new mercury 4 stroke 150s on a ribtec 585?

[Maximus]

I've had quite a few 2strokes in the past,inc an E-tec which I quite liked...and I would say the smaller RIB the more important the engine weight/power ratio choice is.(always..in the past anyway!..a 2stk pluss)
For Ease of operation,Great economy,Clean burning,Whisper Quiet running and no Flaphing with Oil!..With the proviso it's matched to the right Boat... For me the Four stoke wins out!
Maybe some of the Die Hard 2stroke boys should try a WELL-matched 4stk Rig some time!
In the end it's down to personal preference of course,but IMO it does pay to have run tried BOTH if you are going to make comparisons.

The commercial RIB operators Market is always a good indicator...and I wonder what the ratio is between those which run 2stk and 4strks these days?
...Or... maybe I don't!

[willk]

Originally Posted by Maximus

Whisper Quiet

= Oxymoron

[Maximus]

Originally Posted by willk

= Oxymoron

Oh to a Moderator!

[mick]

Originally Posted by Maximus

I've had quite a few 2strokes in the past,inc an E-tec which I quite liked...and I would say the smaller RIB the more important the engine weight/power ratio choice is.(always..in the past anyway!..a 2stk pluss)
For Ease of operation,Great economy,Clean burning,Whisper Quiet running and no Flaphing with Oil!..With the proviso it's matched to the right Boat... For me the Four stoke wins out!
Maybe some of the Die Hard 2stroke boys should try a WELL-matched 4stk Rig some time!
In the end it's down to personal preference of course,but IMO it does pay to have run tried BOTH if you are going to make comparisons.

The commercial RIB operators Market is always a good indicator...and I wonder what the ratio is between those which run 2stk and 4strks these days?
...Or... maybe I don't!

Loads of OBs on lake Garda the rental boys all use 4 banger yams and a few suzi in a new white colour the only 2 bangers we saw twin 300s on a cabin rib

[jambo]

Originally Posted by Pikey Dave

Billy has more marinas/boat yards/boat services on his doorstep than us in the centre of the country could ever hope for.

Thank you Dave for putting our ill informed friend to rights. We are lucky up here in that most of the main engines are covered plus we have plenty of general services from other yards/marinas.


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[GordyP]

Originally Posted by Maximus

The commercial RIB operators Market is always a good indicator...and I wonder what the ratio is between those which run 2stk and 4strks these days?
...Or... maybe I don't!

Most of the seafari type ribs up here certainly used to run Etecs, noticed one in Corrywrecken recently that has had Yams fitted so maybe the tide is changing.

I liked the Etecs, they were slimmer and lighter at the time I re-powered, the instant power was fantastic. They did seem very sensitive to water in the fuel, however I have no idea if a modern four strokes injectors would have fared any better.

[Pikey Dave]

Originally Posted by Maximus

The commercial RIB operators Market is always a good indicator..........

The "Commercial" comparison always makes I larf I wonder how many professional lorry/van/Tug boat drivers get home at the weekend & think "hmm, shall I take the Triumph/Aston/Lambo or the Transit/Mondeo/Insignia out for a blast"

[Maximus]

Originally Posted by Pikey Dave

The "Commercial" comparison always makes I larf I wonder how many professional lorry/van/Tug boat drivers get home at the weekend & think "hmm, shall I take the Triumph/Aston/Lambo or the Transit/Mondeo/Insignia out for a blast"

And..?
Well Mate?..
...I'm looking forward to taking you a Sue on our IOW trip...in the Boring RIB with the 250 Suzi on the Back!!!
Oh and I'm glad you sorted the problem you had with yours on the way back from Irland last year
Remind me what was it again?

[gotchiguy]

Opti 150s can be had for very very cheap indeed these days. I paid £6300 for one with 10hours and 4.5 years warrenty remaining last year.

[Maximus]

Originally Posted by GordyP

Most of the seafari type ribs up here certainly used to run Etecs, noticed one in Corrywrecken recently that has had Yams fitted so maybe the tide is changing.

I liked the Etecs, they were slimmer and lighter at the time I re-powered, the instant power was fantastic. They did seem very sensitive to water in the fuel, however I have no idea if a modern four strokes injectors would have fared any better.

Fair enough, And I'm not knocking people's choices,just re balancing the Two stoke chorus, who always seem very sensitive,if not prickly on the Subject!
Although The big Sea Safari RIB operation.. run out of Easdale would seem to have taken the other choice

[Poly]

Originally Posted by HUMBER P4VWL

175 opti. Only cos I know/like them and it's not let us down.

really I thought you had a whole heap of issues with it when you got it, or is my memory failing?

Originally Posted by willk

Efficient - Check

Jambo will like that - he should be able to get all the way home then rather than stopping short ;-) even if DD has been playing!

Originally Posted by HUMBER P4VWL

I'd guess there's no dealer within a days drive. ;-)

He's got at least one within a days walking distance - and probably most within an hour's tow!

Originally Posted by Maximus

The commercial RIB operators Market is always a good indicator...and I wonder what the ratio is between those which run 2stk and 4strks these days?

On that basis he needs to fit a diesel inboard - as thats what the local commercial RIB guys use - but then none of them are 5.85m boats

[GordyP]

Originally Posted by Maximus

Fair enough, And I'm not knocking people's choices,just re balancing the Two stoke chorus, who always seem very sensitive,if not prickly on the Subject!
Although The big Sea Safari RIB operation.. run out of Easdale would seem to have taken the other choice

Aye, it was one of theirs that had the Yams fitted, would be interesting to know why they have changed over. I think these guys do give a good indication of whats reliable. fast and efficient, they run the engines for long hours and do a good combination of slow and fast running.

[Downhilldai]

Got to be down to cost, surely?
If it were me, I'd be getting prices on Yam F150, Suzuki DF150, Merc/Mariner F150 and Merc/Mariner Opti 150, then buy the Opti 'cos it's best value for money and put up with the noise at idle.

[jambo]

Jambo will like that - he should be able to get all the way home then rather than stopping short ;-) even if DD has been

Less of your cheek or I'll set the big man on you or better still I'll get you a life time ticket to a certain tows fair!!


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[HUMBER P4VWL]

[QUOTE=Poly;639048]really I thought you had a whole heap of issues with it when you got it, or is my memory failing?



Memory failing. Hard to identify, intermittent fault, but it was just one chafed wire entering the cowling...??????

[Nick Hearne]

I run 2 X 2st and 1 x 4st all Yams, I love the quiet 115hp on the 6m and it is very frugal to run
I also love the growl of the 50hp 2st on the Sr4, but it does about the same fuel consumption as the 115!!
As for the 15hp 2 st on my Bombard, it is lovely and quiet and great weight at only 36kg, no way would I want a 4st on a Sib.
I put a 150 Opti on my 5.75 osprey viper way back and it was just awesome and the noise was great, but for general boating and water sports the Yam 115hp 4 st is my favorite all rounder

[Maximus]

Originally Posted by Poly

really I thought you had a whole heap of issues with it when you got it, or is my memory failing?

Jambo will like that - he should be able to get all the way home then rather than stopping short ;-) even if DD has been playing!

He's got at least one within a days walking distance - and probably most within an hour's tow!

On that basis he needs to fit a diesel inboard - as thats what the local commercial RIB guys use - but then none of them are 5.85m boats

Poly you surprise me!...(for once!)....
For someone so pedantic over the finer points of posting on the Forum...Please refer to the O.P.
I think apparent to all..that Jambo is asking for opinions, preferences and EXPERIENCE about OUTBOARDS

[jambo]

Originally Posted by Maximus

Poly you surprise me!...(for once!)....

For someone so pedantic over the finer points of posting on the Forum...Please refer to the O.P.

I think apparent to all..that Jambo is asking for opinions, preferences and EXPERIENCE about OUTBOARDS

Hear hear that man!!


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[Bigmuz7]

So far for me .. the new Etec is proving very efective, its got good pick up and fuel economy is very good compared to my previous lumps, I'd say a Verado is a hard engine to beat though, particularly in fly by wire guise. Ive had a 150 Opti as well for a few years, and I did like it. Bar one, all my engines were bought new, and the 150 opti was the only one that failed in warranty (so far) where it had some injectors that had to be changed, not so much of a hassle except the trip home in guardian mode