Question about 1999 kawasaki ZZR 1100

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Very smoky when cold just had valve stem oil seals done but made no differance 2001 d9 model

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If it's definitely oil-smoke (blue-white) it might be worn rings/bores that were the problem or possibly the valve-guides themselves.
What mileage is on the bike?
I assume the oil-level is ok, not too high.
Could also be a head-gasket fault.
If you do a lot of short runs it could also be condensation build-up
coming out as steam, sounds daft but maybe v0v

Posted on Jun 20, 2009

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Posted on Jan 02, 2017

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Blue smoke coming out of the exhaust


start car when engine cold - place some paper in front of exhaust pipe.
If you see dots of oil you have a major engine failure with the lower block of your engine or the rings. This costs a lot of money to fix !
I sent my car to wreckers to be crushed when I had smoke and burning oil smell plus oil when it was cold.

If it is water when engine when engine cold you may have a cracked engine head , cracked head or blown head gasket.
Less expensive to fix but may require head to be re machined if head is warped. If head is cracked then head will need welding.
A cylinder compression test will confirm this type of head problem.

Jan 24, 2016 | 2000 Mazda MPV

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Rocam1.6 06 model uses oil sparkplug No2 gets wet with blk carbon, misfirin smokin white.If I change tht spark plug it goes well For3 days.Mechanic changed the rings after 6 weeks problem persists.hlp


The carbon suggests that oil is finding its way into that cylinder and oiling/carbonising the plug.

The mechanic changed the rings so it's doubtful that the oil is finding its way into the cylinder, past the rings. The only other thing I can think of is that the valve stem guide is worn (this would allow oil down into the cylinder) or the valve stem seal is perished/worn.

The photos below are generic images. They are NOT of your car:




26063798-uep1qeforvmfktksxbn30q5u-5-0.jpeg A valve in the valve guide. A worn guide can allow the valve stem to 'rock' and permit oil to trickle down the valve stem into the cylinder.



26063798-uep1qeforvmfktksxbn30q5u-5-1.jpeg The seal itself - rubberised.

There's many different types of seal. General image below just for illustration purposes:


26063798-uep1qeforvmfktksxbn30q5u-5-3.jpeg
Bluish smoke indicates that oil is being burnt in a cylinder. To be honest, worn valve guides/worn seals are quite common. You say your car is misfiring? That would indicate quite a lot of oil is fouling the plug. In most cases there would be no misfire after just 3 days. The exhaust would cough out bluish smoke at start up and maybe on the over-run, when going downhill.

A short term measure is to try a can of valve seal additive to see if the problem temporarily goes away. Repair is the best option though.


26063798-uep1qeforvmfktksxbn30q5u-5-6.jpeg
Try a can of valve seal? It's worth a shot..

Jan 22, 2016 | Cars & Trucks

1 Answer

2001 mpv v6 consumed a liter of oil every 1000 km and there is no oil leak


Bummer Lito, the next areas are valve stem seals and then rings.

Pull the oil cap while the engine is idling. High pressure is blow-by from the rings. Low pressure, look at stem seals.

Jan 27, 2015 | Cars & Trucks

1 Answer

Why does my 2001 chevy duramax smoke when it idles


This happens when the vacuum in the manifold is at maximum and the air is drawn down past the valve stems into the combustion chamber. IT takes oil with it and so when you increase the RPM's ( moving off at lights)the burnt oil in the exhaust is expelled as a cloud of smoke . The fix here is to replace the valve stem seals that have gone hard/cracked and are no longer sealing on the valve stems

May 11, 2014 | 2001 Chevrolet Silverado 2500

1 Answer

Toyota burning oil


If you are sure it has no leaks, the only other possibilities are worn oil rings or valve stem seals. Generally if the oil rings are worn then the compression rings are as well, so get a compression test. If readings are down on spec, which is about 150 psi., add a tablespoon of engine oil to each cylinder in turn through the plug hole. If readings rise, then it is worn rings at fault. If not, then suspect the valve stem seals.

On these engines though, there are several characteristic oil leaks which may be hard to spot, being the cam cover gasket, crank nose seal, and the distributor o-ring seal.

Feb 13, 2014 | 2001 Toyota Corolla

1 Answer

Valve stem seal


Value stem seals are under the valve cover.(under the top of the engine)

Worn value stem seals will allow oil to blow into cylinders during cold start.

NOT a job for beginner,

Jan 11, 2014 | Cars & Trucks

1 Answer

Dark water coming out tail pipe when I start my 1993 Saturn sl1


Oil in a cylinder is never good. There are several ways for the oil to get there and different prices to fix it.

Valve stem seals go directly around the valve and keep oil from the valve train from entering the combustion chamber. A worn or cracked seal can let oil run into the wrong place. Depending on how the camshaft and valve lifters are fitted, the valve stem is at the bottom of the camshaft and lifter. The overhead Cam models bury to valve stem deep inside the head.

Good practice would be to replace all seals at same time, but 1 cylinder could be done independently. But you are usually doing 90% of the work to do 1 set of seals. If a V-6 engine do the bad bank completely.

Head gasket, oil circulates through passages. Requires removal of everything above the head so gasket can be changed.

Bad Oil ring on Piston. Requires removal of head, oil pan, possibly motor to access crankshaft.

There are some tests which can help tell the difference between the problems. Some of it is visual so you need some disassembly for that. This is not going to be as simple as changing a waterpump or an Alternator. But the valve stem seals are reasonable and the head gasket is not so bad.

Can not say what labor will cost, but it will be probably 80% of the bill.

Oct 20, 2012 | 1993 Saturn SL1

1 Answer

Using oil with no visible leaks. No water in oil or oil in water and not down on power so head gasket should be ok. Not blowing smoke when hot or cold. Alot of oil blows out oil cap hole when cap is...


It sounds to me like the oil is being used slowly, by running through your "valve stem seals". The Valve stem seals are small pieces of rubber that surround the valve under the valve spring. They are designed to keep oil from running down the valve, and into the cylinder. When the valve stem seals wear out, they allow oil in small amounts to pass through the cylinder head, and run into the cylinder. If the vehicle sits for several hours, you will usually see a small amount of smoke on start-up, but rarely will ever see smoke while it's running.

Sep 03, 2010 | Nissan Pulsar Cars & Trucks

1 Answer

Very smokie when started but ok then all day


could be valve stem seals. when it sits the oil leaks down into the cylinders and is burned off when first started. isn't noticible when driving because not a lot of oil leaking into cylinders until it sits for a while and accumlates

May 28, 2009 | 1995 Toyota Corolla

1 Answer

Very smokey when started from cold


If it's the org. engine it will has over 90,000 miles on it.

When was your last valve adjustment?

Timing belt is due if it's over 120,000 miles. Incorrect timing will cause late timing.

Can your shop do a compression test?

It's normal to has the valve stem seal/oil seal on the head to leak oil into the cyclinder.
The smoke you see is the motor oil drop from the seals. It land on the top of the cyclinders and it create black smoke at start up.

The inexpensive fix is to start using high mileage oil with seal conditioner.

This will help soften the rubber seals and help reduce internal oil leak.

The correct fix is to wait until it's time for a head gasket replacement and let the professional service the head.

Complete head service is the only method to stop this internal oil drip problem.

Oct 29, 2008 | 2001 Volkswagen Passat

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