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Old 20 February 2007, 13:55   #11
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Originally Posted by Tim M View Post
Optis (imho) are noisey and thursty.
Noisier yes.. cos its a two stroke compared to your four.. thirstier than a four of similar size? depends on what its doing and how its propped, and hight setting is critical for them. My opti 150 sure wasn't thirsty when set up right. Lovely V6 block.
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Old 21 February 2007, 09:03   #12
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Honda 130s for sale in Canada

Pair of Honda 130s (one counter rotating) for sale.

see my ad for RIBs and outboards in ribnet north america.

tom
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Old 23 February 2007, 06:38   #13
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Suzuki / Johnson

Hi there,

We bought the Johnson 140 4 stroke for our Humber. It is so quiet running! We had a wee short blast with it and it delivered the goods well. It was a lot more compact than I thought it would be, which is a good thing!

Will let you know how it goes on the Humber

Stephen
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Old 26 February 2007, 17:45   #14
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Originally Posted by stephenmcdermot View Post
Hi there,

We bought the Johnson 140 4 stroke for our Humber. It is so quiet running! We had a wee short blast with it and it delivered the goods well. It was a lot more compact than I thought it would be, which is a good thing!

Will let you know how it goes on the Humber

Stephen
Hi Stephan, do tell us how many kts vers revs etc.

I didnt get my boat yet but it is a Ballistic 6.5 mtr with Johnson 140 which is identical in every way except colour and control Clocks.
We will have to have a Suzi/Johnson 140 owners club to share info.

DO post yoru findings, pics, etc as you get them.

Good luck with it, as mentioned I researched the daylights out of these and value for moner versus power to weght ratio, they seem to outdo everything else pro rata
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Old 07 March 2007, 16:53   #15
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It all depends on what you want

I have been fortunate enough to use several of the engines that you are considering. I should say straight away that the 140 suzuki is a very nice smooth and exceptionally quiet engine that you will have to keep looking back for the tell tale on to convince yourself that you have not stalled it when you bring it back to neutral. The accelleration is very smooth and progressive and very forgiving to use.

I also operate a 6.5m rib with a 150 Etec which i think is awesome! I chose the Etec for a few reasons:
1. I wanted the snappy torque and accelleration for the sensation of going very fast.
2. The 300hr service interval is very nice with no run in period.
3. The lightweight feature if the two stroke engine.
4. for aesthetics i wanted the white cowling!
5. Fuel flow meter as standard to see what how much fuel i really am using as fuel gauges are poo when dancing around in waves!

Having operated the engine i do find that my engine boat combination is beautifully smooth up to 2000 revs, then it jumps up to 3000revs very quickly then it is a nice smooth accelleration above this point. I currently have the boat booked in for an ecu remap and replacement of the air intake cam which will move the snappy accelleration up to the 3-4k revs range making the boat more manoeuvrable in tight spaces.

I would suggest that when considering between the Etecs and four strokes, do think of how you use the boat, if you want quiet and smooth - i would go for the four stroke, if you really want snappy, punchy response, you woudl be hard pressed to find a 2-stroke better than an Etec. The Etecs are not that much louder than a four stroke anyway!

Is it me or do Opti's frequently sound like a bag of bolts or is it just the ones that my friends have? My Etec sounds far quieter and smoother to me.
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Old 07 March 2007, 19:14   #16
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i must admit that some opti 150s sound a bit rattly when quite old but to be honest i just love the snarl and growl of the v6 optis, i personally would have this any day over a 4 stroker
but that said
you cant go wrong with the suz 140, they are very sweet engines

on economy, dont take it for granted that 4 strokers will give better economy because depending on the combination of boat to engine type and size we have seen that a direct injection 2 stroke can be more economical than a smaller 4 stroker that is having to thrash to keep up.

if you want quiet then you cant really beat a 4 stroke imho

good luck with your choice
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Old 08 March 2007, 19:42   #17
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what about oil consumption on the etec? No one ever mentions it in fuel/cost calculations..??
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Old 08 March 2007, 20:39   #18
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what about oil consumption on the etec? No one ever mentions it in fuel/cost calculations..??
IMO, it's pretty much a wash vs. the oil changes on a 4 stroke. Both types consume oil, they just do it in different fashions -the E-TEC burns it, the 4 stokes change it & dump it. And for me it's quicker and easier to top up the oil tank than to change the oil or drag the boat to the dealer to do it. I haven't had my E-TEC long enough to have a useful sense of oil consumption but FWIW, in 40-50 hours at break-in oiling with the "good" XD-100 oil, I used < 1/2 the under cowl tank, which holds about 1/3 of a US gallon of oil. This on a 90 hp with a full mix of idle, low speed, low planing speed and high speed running. I forget how many gallons of fuel I burned, maybe ~25 US gal??
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Old 19 December 2011, 11:30   #19
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Hi all, just doing some research on the Johnson/Suzuki 140 4 stroke? Been offered one on a rib with around a thousand hrs on the clock? Its been serviced every year, but just wondering if those hours were a bit too high? Comments gratefully recieved!
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Old 19 December 2011, 12:06   #20
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Have you seen the new 4 stroke 150hp that Merc are bringing out next year?

Its not on their website yet but its on Youtube. We are considering it over an Optimax and Verado.

Also be careful of engine comparison tests. They are very difficult to do fairly and unbiased.

Chris
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