Help. VT250 has water in oil?

[actungbaby]

Hi brought second hand vt250 of trademe as not going i removed the carbs
and gave them clean but before but them back on , i though drain the engine oil first
when i did i notice when oil pored over my hand felt diffrent at start , then when removed the oil filter actuall clear water ran out like rain, i can only assume
the head gaskets are blown , this whould be why engine stoped running

i intend to fix the engine myself what whould be involved besides the removing the
radiator and both cyclinder heads ,do i need to get dead and cyclinder head planed
like with a car , i know the case is cast as one piece , and whould need to remove the complete motor . i got down to removing the exhusts at present , i may put hte carbs back on try starting motor but porbley not worth the bother untill fix the head gaskets

[ZXCharlieR]

Hi brought second hand vt250 of trademe as not going i removed the carbs
and gave them clean but before but them back on , i though drain the engine oil first
when i did i notice when oil pored over my hand felt diffrent at start , then when removed the oil filter actuall clear water ran out like rain, i can only assume
the head gaskets are blown , this whould be why engine stoped running

i intend to fix the engine myself what whould be involved besides the removing the
radiator and both cyclinder heads ,do i need to get dead and cyclinder head planed
like with a car , i know the case is cast as one piece , and whould need to remove the complete motor . i got down to removing the exhusts at present , i may put hte carbs back on try starting motor but porbley not worth the bother untill fix the head gaskets

Hi mate,

I just fixed my Saab by taking the head off, scraping the carbon build-up away from the top of the cylinder heads with a razor blade and put a new head gasket and some silicone sealant on with 10 pounds more torque on the head bolts.

Place a large magnet on the cylinder top and with fine grade metal powder you'll see if it's cracked anywhere as it will show.

All I can suggest is that as long as there's not too much of a gap (you can see where the carbon print has gone on the top of the cylinders) then you should be able to silicone it up.

If the print is "high", then I do suggest a head skim and get an oversize head gasket and that will keep the clearance as it was before.

As I say, my head gasket went due to my own stupidity (thermostat froze and I was preoccupied with other things like driving rather than the temp gauge) and the carbon build-up was very low on the cylinder heads so I saved myself a skim there, new gasket, a bit of silicone and she drives like new now.

Hope it helps!!

[hayd3n]

Hi mate,

I just fixed my Saab by taking the head off, scraping the carbon build-up away from the top of the cylinder heads with a razor blade and put a new head gasket and some silicone sealant on with 10 pounds more torque on the head bolts.

Place a large magnet on the cylinder top and with fine grade metal powder you'll see if it's cracked anywhere as it will show.

All I can suggest is that as long as there's not too much of a gap (you can see where the carbon print has gone on the top of the cylinders) then you should be able to silicone it up.

If the print is "high", then I do suggest a head skim and get an oversize head gasket and that will keep the clearance as it was before.

As I say, my head gasket went due to my own stupidity (thermostat froze and I was preoccupied with other things like driving rather than the temp gauge) and the carbon build-up was very low on the cylinder heads so I saved myself a skim there, new gasket, a bit of silicone and she drives like new now.

Hope it helps!!

wtf you used silicone on ur head gasket??

[ducatilover]

Hi brought second hand vt250 of trademe as not going i removed the carbs
and gave them clean but before but them back on , i though drain the engine oil first
when i did i notice when oil pored over my hand felt diffrent at start , then when removed the oil filter actuall clear water ran out like rain, i can only assume
the head gaskets are blown , this whould be why engine stoped running

i intend to fix the engine myself what whould be involved besides the removing the
radiator and both cyclinder heads ,do i need to get dead and cyclinder head planed
like with a car , i know the case is cast as one piece , and whould need to remove the complete motor . i got down to removing the exhusts at present , i may put hte carbs back on try starting motor but porbley not worth the bother untill fix the head gaskets

Do a compression test first (assuming it turns over) and go from there. Removing the heads is not a fun job on the MC15E VT motors, there is one bolt on the rear had that is underneath where you have to go through the gearbox.
It's more likely that the cam chain lets go in one of these than a head gasket.
The headgasket is a three layer steel one, albeit incredibly thin, so chances of blowing it are reduced considerably.

wtf you used silicone on ur head gasket??

My thoughts exactly.

[actungbaby]

Thanks buddy that was great help you reply was clear and very very helpfull
thank you so much , as for you car not really ur fault my mx5 the temp gauge suddenly shot around after first got it drove to balance brigde here in pammy
gave me hell fright never done it again though they changed the temostat cap on radiator apprenlty have diffrent psi ones , the vt 250 done 53 thou k dont know the history of seems its jap import, best thing to do is keep your coolant with antifrezze as this has rust inhibter all the best mate

cheers

ps really neeed confidence to carry on with the bike

Hi mate,

I just fixed my Saab by taking the head off, scraping the carbon build-up away from the top of the cylinder heads with a razor blade and put a new head gasket and some silicone sealant on with 10 pounds more torque on the head bolts.

Place a large magnet on the cylinder top and with fine grade metal powder you'll see if it's cracked anywhere as it will show.

All I can suggest is that as long as there's not too much of a gap (you can see where the carbon print has gone on the top of the cylinders) then you should be able to silicone it up.

If the print is "high", then I do suggest a head skim and get an oversize head gasket and that will keep the clearance as it was before.

As I say, my head gasket went due to my own stupidity (thermostat froze and I was preoccupied with other things like driving rather than the temp gauge) and the carbon build-up was very low on the cylinder heads so I saved myself a skim there, new gasket, a bit of silicone and she drives like new now.

Hope it helps!!

[ZXCharlieR]

Do a compression test first (assuming it turns over) and go from there. Removing the heads is not a fun job on the MC15E VT motors, there is one bolt on the rear had that is underneath where you have to go through the gearbox.
It's more likely that the cam chain lets go in one of these than a head gasket.
The headgasket is a three layer steel one, albeit incredibly thin, so chances of blowing it are reduced considerably.


My thoughts exactly.

Ok, maybe not the technical term for it but it was a gasket sealant that my brother in law, a mechanic, had lying around that helped in a big way.

Sorry I couldn't be as geeky as the rest of these sarcastic twats on here, but yes, it serves that exact purpose.

[actungbaby]

Thanks dukelover

yes i wont leap in boots and all great advice i get comp checked first
then step 2 try strat the machine with carbs back on. i dd notice seems to be running rich only going exhusts spark plugs , as i never seen in going it does crank over fine though , the choke cable was attatched to the lever on handle bars
and was broken plastic tread in bottom cyclinder carb, i re attatched to the slid lever , been told its vt 250 fg has spare set fg wheels white mags but bike has old stlye comstars black and black chrome orginal pipes and look like new werid
and engine has hydrlic clutch so think its had engine swap , it has silver boxed steel chassis

thank you for great advice much appreciated
ps love the duckuti monster bikes so small really cool
seen guy on 900 made it look like a toy machine he was tall also
like honda cbr 900 want buy one soon be next project

Do a compression test first (assuming it turns over) and go from there. Removing the heads is not a fun job on the MC15E VT motors, there is one bolt on the rear had that is underneath where you have to go through the gearbox.
It's more likely that the cam chain lets go in one of these than a head gasket.
The headgasket is a three layer steel one, albeit incredibly thin, so chances of blowing it are reduced considerably.


My thoughts exactly.

[actungbaby]

thanks for that cool

just bit strange i got that water fall out the oil filter cover unless was just traped there i never owned water collected bike maybe perfectly fine

the main oil was really black in fact got oil window and i didnt even know was one tell i drained the oil completly

i put the crabs back check spark at the plugs and go from there if can get to start
i assume unless gasket really had it will still start and see how it runs

oh zzr 250 be rocket nice bike dude

Ok, maybe not the technical term for it but it was a gasket sealant that my brother in law, a mechanic, had lying around that helped in a big way.

Sorry I couldn't be as geeky as the rest of these sarcastic twats on here, but yes, it serves that exact purpose.

[ZXCharlieR]

thanks for that cool

just bit strange i got that water fall out the oil filter cover unless was just traped there i never owned water collected bike maybe perfectly fine

the main oil was really black in fact got oil window and i didnt even know was one tell i drained the oil completly

i put the crabs back check spark at the plugs and go from there if can get to start
i assume unless gasket really had it will still start and see how it runs

oh zzr 250 be rocket nice bike dude

Might just have been something silly, I just explained what could be done in the "known" situation.

Though all the steps you have to take before you actually start stripping are essential.

I knew the head gasket had gone on the car so I knew it had to be stripped, hence the diving in.

I actually received the ZXR 250 today and it does look like a month or so before I do get her running and in tip top shape, I just enquired here as I can see the bike is readily available, here in the UK the bike is scarcer than fried gorilla's nuts.

Anywho ... put fresh oil and fuel in her and see if she starts, if she doesn't, do a full leakdown test and see where the problem lies, from what you have now mentioned, I also am lenient to thinking it was just trapped water, if you empty out the oil in it before you try, you can definitely see if there is a problem and that's only going to take you 5 mins.

Cheers buddy!

[bogan]

What is the code on the engine? (be on rhs top of crank case just to the right of the rear cylinder iirc). I have a VT250 F2 engine in HB that I could sell you for parts, it has poor compression but I'm fairly sure it's the rings as I had the valves and a skim done on one cylinder with no change. I then found a cheap FG engine and just used that instead so I know they are compatible in some ways! would pay to ensure that the internals are they same if you want it though.

[MSTRS:Me]

It is not normal to find water in the filter area. But it is even less normal to find water that hasn't mixed with the oil. If a head gasket is gone, the engine would have been going for a little while at least and waterjacket would leak into the oil, making it go all milky.
I suspect it has been sitting for a long time and what you have is condensation. Which means there is another problem altogether.

[actungbaby]

thanks buddy that be cool i need to save though my number is 06 3544509

or txt 0210561758 might be able to swap u something

What is the code on the engine? (be on rhs top of crank case just to the right of the rear cylinder iirc). I have a VT250 F2 engine in HB that I could sell you for parts, it has poor compression but I'm fairly sure it's the rings as I had the valves and a skim done on one cylinder with no change. I then found a cheap FG engine and just used that instead so I know they are compatible in some ways! would pay to ensure that the internals are they same if you want it though.

[actungbaby]

Well i took the valve cover of and holy s#$$ the rust on the parts and sitting water
unblevable looks like been sitting along tome to get in that state makes me wonder did somone pour water into motor . really wont use the word
anoyed that seller told me engine was in clean condtion and was shown under the tappet cover and was impressed with it oh yeah really ? bs
know its strip the engine heads of tommrow i sprayed crc over the rockers tappets chain one cam lopes apears to have hardening wearing of oh my god
this machine never been maintained makes u want cry

It is not normal to find water in the filter area. But it is even less normal to find water that hasn't mixed with the oil. If a head gasket is gone, the engine would have been going for a little while at least and waterjacket would leak into the oil, making it go all milky.
I suspect it has been sitting for a long time and what you have is condensation. Which means there is another problem altogether.

[ducatilover]

Bugger mate, I'd be looking at getting a new motor, visions of pitted cam lobes and cylinder bores seem to be in my head

[ZXCharlieR]

I think it's been sitting out in that beautiful weather you have out there without even a bike cover, it's the only explanation I can come up with, check all the underneath of the petrol tank and how is the rust on the subframe etc?

I can see a heavy strip and rebuild coming on there mate!! or even like ducatilover says, new engine!!

Really surprises me to see what a ton of negligence can do to such a beautiful machine, not to mention any machine for that matter!!

I got my ZXR 2 days ago and it makes me want to travel the 500 mile round trip to see the previous owner and smack him right in the gob, I have a rebuild ahead of me, was stripping it yesterday and oh my god, how this machine ever got on the road bewilders me!!

Oh well, all you can do is plod on and learn from the experience I say, I am actually looking forward to getting my hands really dirty cos this is going look like brand new when I have finished with it!!

Keep us updated fellah!!!