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Old 01 December 2010, 14:47   #1
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New to Ribbing

Hi All
Im Mike and im an Alcoholic, woops sorry wrong forum! I have just bought my first Rib after 16 years of speed boats and various other boats (motor cruisers fishing boats sibs etc) I have bought a Avon 4mtr Searider, (off ebay and yet to pick up due to the weather) It looks very tidy and currently has a Yamaha 1983 55Hp 2 stroke on. If this is ok i may use it for the coming season but i think i may replace it with a newer Poss Mariner 50hp 2 stroke? The only reason i would say is i want to use it at sea and prefer something a bit newer that i know will start.
If anyone has any advice on the Avon searider or a good engine combination the please let me know
PsI Live in Ripon North Yorks so if anyone fancies a day out sometime(Whitby?) in the summer (fair weather boater!) let me know.
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Old 01 December 2010, 15:06   #2
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Hi All
Im Mike and im an Alcoholic, woops sorry wrong forum!
An SR4 owning Alcoholic? No, right forum - welcome to RIBnet!

Nice combo, btw. Unless the ob is shot, I'd leave it as was. Let us know how she goes. Pics when available pls.
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Old 01 December 2010, 15:12   #3
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thanks willk! i will try upload what was on ebay :-] if not will be another week as i have to collect it from erm Portsmouth :-(
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Old 01 December 2010, 15:17   #4
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pics

sorry i cant make the pics from the website save as pics? so im unable to load them, if only i was a child i would be able to do it lol
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Old 01 December 2010, 15:42   #5
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it appears you have had it on here before as its in a previous post? the one that didnt meet the reserve? the one with the box at the back?
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Old 01 December 2010, 15:45   #6
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this is the link http://cgi.ebay.co.uk/ws/eBayISAPI.d...#ht_1904wt_932
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Old 01 December 2010, 19:07   #7
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I'd be tempted to change the engine for something with power trim as it totally transforms an SR4. Yam 3 cylinder or Merc 3 cylinder (post clamshell) 2 strokes would be my favourite option.

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Old 01 December 2010, 21:18   #8
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thanks nuthouse i will look out for that. i am hoping to try the current set up on the river as soon as i get it, just to have a play!
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Old 02 December 2010, 04:48   #9
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thanks nuthouse i will look out for that.
Ironic, innit?
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Old 02 December 2010, 05:41   #10
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LOL Sorry i didnt read it right, no offence meant
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Old 02 December 2010, 06:13   #11
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I'd be tempted to change the engine for something with power trim as it totally transforms an SR4. Yam 3 cylinder or Merc 3 cylinder (post clamshell) 2 strokes would be my favourite option.

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Oi! there's nothing wrong with those Clamshells...... until they self destruct!
(To be fair the early ones had a habit of failing, but the later ones were modified to solve the problems, as mine has now been.....)

I had a Yam 55 on mine before it corroded to death. They are pretty bulletproof, but first thing to check when you get it - are all the short wires that connect all the various big lumps still connected? Mine was a fab machine until the thermostat died and I discovered that the powerhead had turned to shortbread with corrosion (the earth wire between head & leg had snapped, so no connection to the anodes and bye bye powerhead ). There's not a lot to go wrong with them, oodles of torque, and my only real complaint was the noise they make is quite harsh...... but you might like that!

If you want to PT it, you have 2 options. I think I know someone with enough spares to get a system up & running. You basically need the powered rams, a pump unit (same as used on the mercruiser sterndrives) and some hydraulic hoses. I had planned to fit my pump unit under the seat & run long "homemade" hoses alongside the power & fuel to the engine on grounds it would be a bit neater than a box of gubbins on the transom. You also need a switch on the clamp so it doesn't lift the swivel bracket clear of the clamps at speed (you end up breaking the clamps and / or swivel if that happens)

Second option is to convert it to one of the rare "inside ram" type machines, in which case any 3- ram PT from about 50- 90 Hp (2- stroke) should fit. I can't now remember if the leg is carryover between the inside & outside ram versions, but I have the feeling it is. (I have a clamp / swivel spare from Nos buying the PT I was going to fit to mine before it died, so all you need to find is a 3 ram PT unit!)


Twatsoo 2- stroke 50 would be another engine I'd put on the list.
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Old 02 December 2010, 06:42   #12
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I've got an early 90's Yam 55 on mine without trim and tilt and it goes fine. Sliding yourself backwards and forwards works as trim and tilt on an SR4.
I don't mind the noise of the 55, a lad who was onshore commented on how nice it sounds when I got back.

I'm in Staithes so would be up for a run out if your in Whitby sometime?
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Old 02 December 2010, 06:52   #13
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Thanks 9D280 thats a lot of info, altho im not the best at doing DIY infact im useless so i probably would just leave it. Thanks for the comment about the Wires i can do that bit! I will probably run the engine for a while and see how it goes, as for the noise i would probably like it? But if taking others with me they may not?
And i will put a Tohatsu (sorry i cant spell like you lol) on my list as well.
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Old 02 December 2010, 06:55   #14
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Hi Chewy, yes i would love a run out with you, how nice to live near the sea like you!!
Also what sort of fuel consumption should i expect, i know roughly they say Half the HP for ltrs flat out per hour and 1/4 for just playing around stop start sort of stuff? would you agree?
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Old 02 December 2010, 07:22   #15
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Think I use about 12 litres an hour just wanging about, usually something breaks before I use any decent amount of fuel!
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Old 02 December 2010, 07:37   #16
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Lol, nice one.
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Old 02 December 2010, 08:24   #17
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as for the noise i would probably like it? But if taking others with me they may not?
It sounds good, it's just not the kind of engine you could hold a conversation over at speed!
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