anybody know about kawis?

I got a 2006 Kawasaki praire 700 V twin today, it puffs white smoke out of the exhaust until its warmed up, whys it do this?
also it seems to backfire a little bit sometimes, some times it doesn't at all but then it will like crazy, even at idle? out of about 45 mins of riding it only backfired on decal but for like 1-1:30 mins it backfired even at idle? and once when I stopped a puff of white smoke went out from under the machine.
any help would be appreciated!

You might have a bad head gasket do you smell antifreeze? Take a compression test.

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jeffsyfm350x said:

You might have a bad head gasket do you smell antifreeze? Take a compression test.

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it smells like gas, but how hard is the head gasket to replace?

jeffsyfm350x said:

You might have a bad head gasket do you smell antifreeze? Take a compression test.

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also, will it hurt it to run it like that till I get the funds to buy all the parts?

keep an eye on the oil if it starts getting foamy or milky white then don't run it
Does it overheat at all?
also check for oil in the coolant
the spark plug can also tell you if you have a blown head gasket if the plug is really clean like new cause antifreeze if entering the combustion chamber will clean all the carbon

YAMAHAULER said:

keep an eye on the oil if it starts getting foamy or milky white then don't run it
Does it overheat at all?
also check for oil in the coolant
the spark plug can also tell you if you have a blown head gasket if the plug is really clean like new cause antifreeze if entering the combustion chamber will clean all the carbon

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im guessing its blown, it over heats and the fan kicks on in about 10 mins.
and I checked the oil today and there was a little white milky substance on the dipstick.
so do I just needa order the headgasket and replace it or?

it may just be the gasket but to be safe I would have the head checked out to make sure there are no cracks also check and inspect the water pump

YAMAHAULER said:

it may just be the gasket but to be safe I would have the head checked out to make sure there are no cracks also check and inspect the water pump

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ok. im ordering all top end gaskets, so ill tear it apart and check it out.
ima hope its not a cracked cylinder!

raptor_350_racer said:

ok. im ordering all top end gaskets, so ill tear it apart and check it out.
ima hope its not a cracked cylinder!

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I'm sure your cylinder will be fine if it were it would be leaking. Like ed said check the water pump too

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jeffsyfm350x said:

I'm sure your cylinder will be fine if it were it would be leaking. Like ed said check the water pump too

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OK. Will do!
Do I gotta tear the motor out to do this?


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do you think I could keep the motor in the bike?
or will I have to remove it?

depends if you can get the head bolts out and heads off without the upper frame inter-fearing then no but if the frame prevents you from getting the heads off then you will need to remove the whole motor

YAMAHAULER said:

depends if you can get the head bolts out and heads off without the upper frame inter-fearing then no but if the frame prevents you from getting the heads off then you will need to remove the whole motor

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That's what I figured. Never messed with a twin cylinder bike tho

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It will have to come out it did in my buddys KFX700

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Those v twins are beasts when they're right.

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Warriorfreak99 said:

Those v twins are beasts when they're right.

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youre not lying!!

that's not what I was hoping to hear about it needing to come out though!

what else could be the problem?
I went out today, and checked all my coolant levels. there all good, I topped them off(although it took very little to), and I took out the dipstick the oil didn't seem creamy or white or milky at all?
I guess I should drain it and see, but if its not a bad head gasket what else could it be?
I also fired it up and I didn't see any white smoke?
the other day it was 35 degrees, today its 60.

could just be moisture maybe you need to have the carb tuned

YAMAHAULER said:

could just be moisture maybe you need to have the carb tuned

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well I should be able to tell if all the oil is milky by the little oil on the dipstick correct?
also im hoping maybe its just the carbs.
my cousin lives about 5 mins away through trails and owns a shop, im just gonna drive it over and see if he can do the carbs and maybe adjust the valves if they need it.

you might not be able to tell until you drain the oil and filter depends on how bad it is blown if it is