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    Q for rodbolt and other Yammy specialists

    I have a 21" seafarer deep v glass cruiser. She weighs about 1500kgs (approx 3,400 pounds) on the water when fuled up and no people in it. It currently runs a 115 2 stroke Yammie. It runs to 38miles per hour with 2 adults and 3 kids aboard. It runs to about 33 miles an hour with 4 adults 5...
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    Bennett tabs WITH hydrofoil?

    I have a 21' Seafarer cabin cruiser. I am looking at either Bennett 120's or Lectotab (electric worm drives). My first question is which are the best - which are faster to react? Is it worth paying the extra money and getting the automated system (I would at the least get the position...
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    dealer pulled thermostats - whats with gudgeon

    Hi all. I noticed that Rodbolt in another post noted that thermostats are used as part of the pressure control system. I have a 93 115 V4 Yammy. A merc dealer recently serviced it and put in a new water pump including seals. He took out the thermostats and said that they were gummed up (they...
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    ALARM STAYS ON - WONT START!!

    Hi all - I have a 92 Yammy 115 V4. I had it serviced on a Friday - new impellor and water pump kit including insert and face plate. Thermostats pulled out. New spark plugs etc. I then took it out. Before the service it developed a problem with the alarm going off over 5000rpm - when that...
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    92 115 Yammy 2 stk - heat alarm > 5000rpm

    Hi all - I had a new impellor, thermostats and water pump kit put in about 13 months ago. I suppose it might be time for a change, although not used more than 6 times since, because she is suddenly sending off the alarm above 5000 rpm when at that level for more than about 30 seconds. It seems...
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    93 Yammy 115 throwing gudgeon pin

    I have this motor. I also have a mate who is a merc dealer who thinks it will throw a pin because it has done about 500 hours. He says Yammy's are famous for doing so, especially pushing heavy loads. I have a glass 21 foot cruiser - constant deep v. On the water with 4 adults and a tribe of...
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    115 missing at idle - lean/crap in carby?

    I have a 93 115 Yammy 2 stroke. It runs well up onto the plane (21' seafarer glass half cab cruise) and when on the plane runs well also. Pull it straight back to idle and it often stalls. Pull it back slowly and it starts to miss ad idle every few seconds and then will stall from there...
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    Fuel - OK or not

    G'day all. I have a 94 Yammy 115 V4 2 stroke. It is oil injected. I have 2 60litre alloy tanks under floor. I have fuel in them that is about 3 months old now. I run a very good (fine) filter and water seperator. My question is, will my filter pick up any crap in the fuel that could cause...
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    SE SPORTS ON 21' seafarer cabin cruiser

    I have just fitted the SE SPORTS foil on this boat. With 2 people and full fuel and gear it weighs about 1.5 tonns (1500 kilos) with a 93 115 V4 Yammy 2 stroke on the back. It is a constant deadrise classic deep V. It has made a huge difference. It has dramatically brought down my clean...
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    93 Yammy 115 - odd behaviour

    Hi all. My Yammy is running well with a hard bulb and good filter and water trap. No water in trap - fresh fuel. It runs cleanly to 5500. It has about 500 hours on it. I took off the 12mm hex bolt and jet from the bottom of the top carb and flush it out with fuel using the primer the other...
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    gelling

    It says as follows:<br /><br />"Though still lagging behind its US competition in offering low-pollution two-strokes, Yamaha is rapidly catching up.<br /><br />The company now has a mix of carbie, EFI and DFI models. All of these have V-six powerheads, but the 150, 175 and 200 carbie models have...
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    RODBOLT - ENQUIRY

    G'day mate. I noticed that you posted a reply to a 70hp stalling problem and said that to drain the carb bowels you take to the 10mm brass hex bolt with a slot for a screw driver. Is that the same as my Yammy 93 115? Is the process to remove those and then using the primer bulb squeeze...
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    mixing oils

    I have a 2000 Merc 60 that I run Quicksilver premium plus in (the semi-synethetic stuff they reccomend for Optimax) because the dealer told me that it cleans better etc.<br /><br />In my recently acquired Yammy 115 93 V4 the guy before me ran Yammylube. I have some Merc oil left. Can I mix it...
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    correct size fuel line - Yammy 115

    Hi all - my 93 v4 has what looks like standard grey yammy fuel line plumbed up into the carbs and from the engine. It does not have a fitting in the cowl - is this normal?. It looks like 5/16th - I thought it would have to be 3/8th. I have run 3/8th to it and a large (3/8th fittings) tempo...
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    Yammy 115-130

    I have a 93 115V4 Yammy 2 stroke. I notice on their Web site that the 115 and 130 both have the same cubic capacity. The 115 gets it max horse power at 5000 rpm and the 130 is said to get its max horse power at 5500 rpm. Its the same block apparantly and I think compression is same. Do...
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    115 V4 Yammy - runs well then dies at idle

    1992 V4 yammy - running beautifully yesterday to fishing spot. Started well and came back at between 4,000 - 5,500 rpm great for 35 mins. Pulled it back to idle at marina from 5000 rpm and it started to die. Sounded like it was choking - opened throttle gently but even at full throttle it did...
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    Are pre "Saltwater Series" a problem?

    I have a 93 115 V4 oil injected Yammy, that runs like a dream on a 21' Seafarer (GPR Half cabin cruiser). I seems to have been well cared for before I got it. It has 500 hours on it. There are no cracks on gearbox housing. There seems to be no corrosion anywhere (less even than my 2000 60hp...
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    does the water trap simply unscrew

    Thanks to Rodbolt I am now aware that I may have water in the water trap in my 93 115 Yammy. I have unbolted it from the engine however getting the tranparent plastic base of the head of the filter is proving difficult - does it just unscrew anti-clockwise (ie might have to use CRC or similar...
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    yam gauge - fuel level + temp icon

    my 93 Yammy 115 was installed with the 2 guages. One has the tach, trim and oil warnings, the other has ancillary things - seems to have a temp icon, a trip metre a clock and a fuel icon with level indicator. I take it the fuel is for a yammy sender that would sit in the tank (its flashing...
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    Is the little brass plug the idle jet

    I am looking at cleaning the idle jets on my 93 Yammy 115. Am I looking at the correct plugs and is there any harm in removing them, cleaning them and replacing them? Any tricks? I thought that this might be the cause of my idle cough (miss) because at revs it runs beautifully. <br /><br...
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