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paddy_c20 
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Joined: 07/Oct/2009
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 Topic: why do you hear of pwc's blowing engines?
Posted: 29/Nov/2009 at 11:37am |
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hi.. im just a little concerned i have a 2001 yamaha xl800 with 90 hours on her. always been used on yamalube... just a little concerned about why they actually blow up... do they all blow up eventually? or is it how they been looked after? or can you prevent? im new to all this you see.
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keith t
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Posted: 29/Nov/2009 at 1:17pm |
Paddy they blow up due to not being looked after correctly usually (moisture) , but also unlike most engines they are either at idle or flat out -
for peace of mind use good oil - proper flush out after riding, blow all the moisture out, air the engine compartment - WD40 spray (contraversial but never done mine any harm) - general look around with spanners after each ride - you wont go far wrong.
Keep an eye on plug colour and check compression, these give early indication if somethings not quite straight
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paddy_c20
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Posted: 29/Nov/2009 at 2:41pm |
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i flush out after every use. leave on tickover between 2 an 5 mins ..
when you say moisture what you mean?and blow out all moisture? air the engine compartement?
im new too all this so mind my knowledge. sorry.
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cheshireGP800R
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Posted: 29/Nov/2009 at 3:37pm |
leave the seat off for as long as you can afterwards so the engine compartment gets a good airing .
Ive also left bowl fulls of salt in , that takes away the moisture when its left standing for a bit.
Just remember to take it out the next time you fire her up   |
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keith t
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Posted: 29/Nov/2009 at 6:25pm |
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bowls full of salt - bloody hell - two minutes with an old sponge and its all out
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TL1000gussie
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Posted: 29/Nov/2009 at 8:29pm |
It would also be worth putting wave eater clips on your ski to stop the power valves dropping into the engine. This will cause it to blow up.
They also do have a tendency to get condensation inside the cylinder Only that Yam model, have seen it on a couple of xl800s. No idea why but as previously said spray wd40 into the air intake after you have blown the water out. This then coats the inside of the bores, which is in the 2 stroke seadoo engine manual and they have a small nipple to spray lube into after its been fluched, but you are supposed to use there expensive sea doo lubricant.
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Go Retro.... Its The Future..Sport Rules OK!!
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Ripsnorter
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Posted: 01/Dec/2009 at 8:02pm |
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Just be careful spraying WD40 into your engine compartment as it doesn't do rubber any good. Nothing wrong with yamlube. Some people will spin you a load of bull about flashpoints etc but its fine.
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keith t
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Posted: 02/Dec/2009 at 11:57am |
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I have used WD40 for the last 18 years to lube my engine compartment - the only issue i have had is it turns the inside of the hull into a "mucky mess" of gunge/twostroke/sea water etc - just needs a regular clean out
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Jackal
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Posted: 02/Dec/2009 at 3:47pm |
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i cant fault WD40 always used and always will use it....... Keeps moisture away.
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Bean
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Posted: 02/Dec/2009 at 6:08pm |
Originally posted by Jackal
i cant fault WD40 always used and always will use it....... Keeps moisture away. |
I think THE definitve test as to whether WD-40 really is bad for rubber disappeared along with the scientist in charge of the experiment the right horrible Mr.Durdan  .
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TL1000gussie
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Posted: 02/Dec/2009 at 8:05pm |
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Yeah but mr durdan used it to rebuild cranks and pistons bean, which is a bit out of its remit.
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Go Retro.... Its The Future..Sport Rules OK!!
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trophyyride
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Posted: 30/Jul/2010 at 2:11am |
Originally posted by paddy_c20
hi.. im just a little concerned i have a 2001 yamaha xl800 with 90 hours on her. always been used on yamalube... just a little concerned about why they actually blow up... do they all blow up eventually? or is it how they been looked after? or can you prevent? im new to all this you see.
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Hi. I need to see your 2001 yamaha xl800. Do you have a photos for it? According to my friend, yes they are blow up eventually depending in the car.
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Thumper
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Posted: 30/Jul/2010 at 9:04am |
Jeez !, there's a few urban myths, flying around on this thread ..................... 
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www.jetskierforum.co.uk
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kawasaki
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Posted: 30/Jul/2010 at 9:23am |
Keep the engine bay dry and aired when stored .... flush & dry after use you wont go wrong.
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Yamsapoo GO Green be an Individual
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gymjunkie
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Posted: 30/Jul/2010 at 10:44am |
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FOG THE ENGINE..Don't listen to people that tell you it's a waste of time it isn't ! On a 2 Stroke you are always going to have an exhaust port open this means condensation from the exhaust can find it's way into the pots and crank, this is especially the case where the exhaust pipe sits above the engine.
Just ask yourself this question..What do I have to lose by fogging it properly ?..Nothing except £8
What do I achieve by fogging it...A great deal more protection for you internals !
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Jonny Shoreboy
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Posted: 30/Jul/2010 at 4:02pm |
Unless you buy it form new you will never really know how the bloke before you treated it. I've had a ski that I loved and cherished and did all the correct checks before buying and it still let go. Sometimes they are fine till you start making them go faster and the extra strain can make them let them go. You can rap them in cotton wool and keep them stored in the bedroom but in the end two strokes go bang, especially if you like to ride them hard. Still you could always sell up and take up knitting instead.
Sorry if this wasn't very helpful...  |
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YAMAHA: builders of fine pianos since 1887... KAWASAKI: builders of the worlds best Jet-Skis since 1974.
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Penken
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Joined: 17/Oct/2009
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Posted: 30/Jul/2010 at 4:06pm |
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nothing can live for ever! especially something that is punished as much as a motor.
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thefoxy3000
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Posted: 17/Aug/2010 at 8:51pm |
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in my experience all skis blow up at some time its just when you never know keeps ya guessing though
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