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Recent content by Sproutdreamer

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    Yamaha 5CS Ignition coil

    No spark so took off the ignion coil to bench test. My understanding (not necessarily correct) is that the primary winding should be 0.2-0.3 ohms and the secondary winding/HT side should be 5 - 8K ohms. My coil primary winding checks out at approx 0.3 ohms on my digital multimeter but the HT...
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    5HP Yamaha 5CS 6E3 engine

    I am trying to ascertain if this 2 stroke engine has a lighting/charging coil. There is nothing obvious i.e. a plug or tail leads. Any ideas how I check this out?
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    Tohatsu MFS20 2011 Model Water Cooling

    I have never run the outboard off the boat before but running in a tub of water there is an outflow I have never noticed before, but on the boat may not have noticed it. This is from the rear port side of the engine behind the plastic cover on that side. There is a machined hole there where the...
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    Life of cambelts?

    What is the expected life of a cambelt, say for a 20Hp engine. I suppose I am asking are they known to fail and is the engine an interferrence engine?
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    Yamaha FT25-High Thrust Model 2019

    I am trying to ascertain the spline count at the top of the drive shaft in order to retro fit an extension kit from log shaft to extra long. It will be 12 or 14 splines but the US Manufacturer of the kit cannot advise as this high thrust engine is aeuropean model only and not in the US (they...
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    Yamaha 25 static flush

    I have not used the static flush before on my new Yamaha engine and will need to do this before the winter layup. I understand this is best done with the motor hot but as my pontoon is a drying berth it is more convenient for me to flush the engine with it tilted. I assume that is ok as the...
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    Disappointing rate of wear

    My 2012 MFS20 I thought had a gear change issue but turned out to be a mis-adjusted gear change cable. However having removed the engine from my boat I decided to check it over before selling the engine as I had then bought a bigger engine. On disasembling the lower leg just to have a look I...
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    Yamaha digital tachometer mi

    Hi does anyone know how to reset the engine hours to zero on the digital tachometer?
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    Fitting a temperature sensor to Yamaha FT25 (T25).

    I want to fit an aftermarket temperature sensor to my new Yamaha engine. On my Tohatsu previously that sensor was bolted through one of the head bolts. Is there a "correct" place to position a temperature sensor of the type that fits externally to the engine?
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    How many engine hours from an outboard?

    My Tohatsu 20 which I have just replaced with a Yamaha T25 despite only 400hours and 9 years use looks rough cosmetically and inside the lower cowel lots of superficial corrosion which I will have to clean up before I sell it. How many hours do peeps get from Yamahas? The high thrust motor looks...
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    FT25 High Thrust engine tacho connections?

    Hi Just fitted my new engine and unsure how to connrct a tacho. The are free leads from tne remote control Red, Black, Green and Yellow. Strangely when I queried the connections with the Yam dealer I bought the engine from he said "I believe the yellow and green are for the trim and tacho on the...
  12. S

    FT25 High Thrust engine tacho connections?

    Hi Just fitted my new engine and unsure how to connrct a tacho. The are free leads from tne remote control Red, Black, Green and Yellow. Strangely when I queried the connections with the Yam dealer I bought the engine from he said "I believe the yellow and green are for the trim and tacho on the...
  13. S

    Reverse Gear Problem

    I have a 2011 20hp four stroke with remotes. I cannot engage reverse gear mostly (forward is fine) but when it occasionally engages sounds as if it is slipping with a ratchety noise. I last used the boart 2 years ago now when there was an emergency situation and I needed to slam the boat into...
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