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Old 19 March 2013, 00:49   #1
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Does anyone have a 4 stroke on a sr4 Avon Searider

I am looking to upgrade my engine. There is currently an interesting used 50 HP Etec for a fair price. Seems about the same weight as a four stroke. Currently have a 2 stroke 40hp merc that is tired, always has something wrong, has no power tilt and is very light.

Thanks for any input. I sure would like to have more reliability heading out in the Pacific~
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Old 19 March 2013, 03:47   #2
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The boat will be quite stern heavy with the E-tec, the max. transom weight for the SR4 is 110 KGs.
You're propably better off with 40-50HP yamaha 2-stroke with powertrim.
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Old 19 March 2013, 05:20   #3
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remember etec's need set up by dealer. I have no idea why as we dont sell them
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Old 19 March 2013, 05:55   #4
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Originally Posted by clydeoutboards View Post
remember etec's need set up by dealer. I have no idea why as we dont sell them
Don't your beloved Hondas need a PDI??
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Old 19 March 2013, 06:16   #5
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yes but they dont need set up nor do my beloved mariner, or tohatsu that I am normally the cheapest for in the uk.

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Old 19 March 2013, 06:49   #6
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I think either the later Merc 50 2 stroke or Yam 50 2 stroke is what to go for, with PTT.

Biggles had a first gen injected 50hp Suzuki 4stroke on an SR4. Went ok, but a bit rear heavy.
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Old 19 March 2013, 07:02   #7
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We used to have a 25hp four-stroke on one of our SR4s. The most obvious problem was the lack of power, but the weight distribution wasn't right either. It liked to take off at the front when you hit a wave and come back down again alarmingly stern-first.

A current E-tec looks to be around the 110kg mark, which I think is about the same as our old engine was. We're using a Mercury 40hp two-stroke now, and the boat does feel much better balanced than it used to.

A Honda four-stroke might be OK — the current BF40 and BF50 are 97kg. That's still 22kg or so heavier than a current Mercury 40 two-stroke, though.
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Old 19 March 2013, 13:13   #8
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I have no idea why as we dont sell them
maybe it's because you don't make any money servicing them
When you say "set up" what do you mean exactly?
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Old 19 March 2013, 13:15   #9
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remember etec's need set up by dealer. I have no idea why as we dont sell them
Or someone with a 20 cable off ebay...
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Old 19 March 2013, 13:26   #10
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Or someone with a 20 cable off ebay...
Made my own from an old serial cable & a 3 quid plug off ebay, though they've gone up to a fiver now. The only setting up I can think of is setting the TPS which is a 5 minute job. Assuming that you are buying from a dealer, he would do this any way as part of the rigging.
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