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Old 27 December 2008, 05:34   #11
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I guess all this is why I paid the local merc dealer !
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Old 27 December 2008, 16:06   #12
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Very true, it can cause all sorts of problems, blocking up injectors etc!
thankyou TD
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Old 27 December 2008, 16:20   #13
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antifoul

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Originally Posted by Mollers View Post
I wouldn't even try Paul. When anti-foul first goes on the hull is 'keyed' which is a light sanding. This takes the shiney surface off of the gelcoat, it'll never look like a new hull. I'd would've prefered it not anti-fouled. However, it does have it's advantages. Any marks can be easily touched in, my grey gelcoat is a different story.
cheers mollers it was just the transome and the first panel on the sides i wanted to do cheers enyway paul
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Old 28 December 2008, 15:29   #14
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Advice needed!

I have put my Optimax 90 away for the winter but have done none of the above!!

I flushed her out after a days boating on freshwater. Topped off the internal tanks - petrol and oil, sprayed the engine with WD40 and then put her into the garage trimmed fully down. Garage is dry but no heat and in a relatively frost free area (near the sea).

Will I really have problems if I don't do anything else? (This is my first winter and the boat/engine was new in June 2008).
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Old 28 December 2008, 16:19   #15
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I've done this with all my current/ previous motors & never had a problem. I only winterised my opti as it will live outside over the winter. Never had a problem with any of them !
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Old 29 December 2008, 04:47   #16
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I've done this with all my current/ previous motors & never had a problem. I only winterised my opti as it will live outside over the winter. Never had a problem with any of them !
Many thanks Blackroady - putting my mind at ease.
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Old 29 December 2008, 05:04   #17
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The biggest problem is unleaded fuel going off after a few months, cant tell you how many months!, but it does go off and leaves a sticky brown tar like goo all over the place. Really you should either drain the fuel out or run some fuel stabilizer through the tanks and the engine to stop it going off.
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Old 29 December 2008, 06:03   #18
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The biggest problem is unleaded fuel going off after a few months, cant tell you how many months!, but it does go off and leaves a sticky brown tar like goo all over the place. Really you should either drain the fuel out or run some fuel stabilizer through the tanks and the engine to stop it going off.
The opti is the only boat/ engibne I have ever run stablizer through. Over the last 7 years I have had my Jetski sit for months in the garage with a tank full of gas, Johnson 3.5 & 8hp , Yam 50 & Suzuki 2.5 have all sat in the garage for up to 5 months with no issue of the petrol going off . Have I just been very very lucky with these ? , or is petrol better know than it used to be ?
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Old 29 December 2008, 08:07   #19
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Quote:
Originally Posted by Turbodiesel View Post
The biggest problem is unleaded fuel going off after a few months, cant tell you how many months!, but it does go off and leaves a sticky brown tar like goo all over the place. Really you should either drain the fuel out or run some fuel stabilizer through the tanks and the engine to stop it going off.
I have never encountered this. I have left my lawnmower in the garage for months every year and no effect on the fuel. I have also left cans of unleaded for the mower for months and no effect.

Having said that I have ordered a bottle of stabiliser and will add it to the petrol. I hope to have the boat out again in March and it has only been out of action now four weeks.
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Old 29 December 2008, 08:20   #20
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Have done a bit of googling of petrol going off and it seems ( to me ) that it is dependant on engine type & if air can get at the petrol. Some engines dont seem to suffer , some do.

I suppose in a fairly newish injected motor no air should get to the petrol in the engine , but will in the tank, so as it evaoprates it leaves this brown 'varnish' like substance.

All seems very hit & miss to me , but I'll try & top up the tanks on everything before using again & I try to reduce the amount I hold in the tanks over the winter ( except the main built in S/S tank in the Shearwater which is topped right up to stop condensation & has additive anyway)
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