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Discussion Starter #1
I am new to the forum and recently purchased a 1991 TW with 6,060 miles on it. It didn't run, but with a new battery and the carb apart a few times(anyone have a trick to get float bowl pin out), it runs! I haven't rode my ZX1000r ninja since.... Anyway I put about 500 miles on and decided to do an oil change. Went to Cycle Gear and picked up a K&N 143, opened box to make sure there are 4 holes as it has been made clear this is very important. Grabbed two bottles of Motul 7100 20/50 and headed home. When I pulled my filter out much to my surprise, the filter had no holes in it. It was running good when I dropped the oil.

Is the motor damaged? What type of damage is done with this filter?
 

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the 4holes feed the top end with oil. No holes, no oil to the valves/rockers. Needless to say, this is bad
 

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The carburetor should have a arrow cast near the float pin on one side showing the direction it needs to travel to be removed. A needle nose pliers should be all that is needed.

You definetly want to have 4 holes on the oil filter. Hard to say if or how much damage it might have. I would think if it were to cause a problem it would have been noticeable within the 500 miles you have run it. Hope it turns out ok for you.
 

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The best, safest thing to do would be to take the head off, and check the cam bushings, valve rockers and guides for damage or blueing, from excessive heat. But since you said it was running great, and since it is a tw200, I bet you could just throw in the new filter and oil, and it may run great for years. Nevertheless, when engine parts that need oil don't get oil, things can go wrong pretty fast, so I'm surprised that it was running so good with little or no oil making its way up to the top.
 

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...anyone have a trick to get float bowl pin out,
Here is an excellent tutorial by jbfla that demonstrates the correct way to remove a float pin without breaking off one of the float pin posts. If you don't do it right, you can break the post off and you will have to buy a new carb. The pictures in there are of a new era (2001 and up) carb, but yours will be similar.


Sorry about the no-hole oil filter. Do you know how many miles it was run with the wrong filter?
 

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I am new to the forum and recently purchased a 1991 TW with 6,060 miles on it. It didn't run, but with a new battery and the carb apart a few times(anyone have a trick to get float bowl pin out), it runs! I haven't rode my ZX1000r ninja since.... Anyway I put about 500 miles on and decided to do an oil change. Went to Cycle Gear and picked up a K&N 143, opened box to make sure there are 4 holes as it has been made clear this is very important. Grabbed two bottles of Motul 7100 20/50 and headed home. When I pulled my filter out much to my surprise, the filter had no holes in it. It was running good when I dropped the oil.

Is the motor damaged? What type of damage is done with this filter?
Are you sure it had no holes? Not even one? There are filters that do not exactly have 4 holes but at least 2..! Those things are fine...! It might do some damage on the very long run...! But no immediate damage as a filter with no holes seize the engine within 20 KMs...! It is very hard to believe you ran 500 miles with a filter which had NO holes..! With no oil to top end, that's impossible..!
 

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Discussion Starter #7
Thank you everyone for the replies. I am positive there are not any holes in the filter, no part numbers on it either. I have put almost 500 miles exactly on it. Hopefully the motor is ok, but I can't beleive there isn't some kind of wear. After draining the oil pan overnight, there are a few specs of aluminium, and a spec of probably bronze. Seems to run just fine.....

Thanks for the carb info, but it seems I may have bigger problems. Trying to get filter pic off my phone to upload....
 

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Since it is a different design than most of us are familiar with, you could always try (for piece of mind that no damage has been done) putting the filter back on for a minute, starting the engine, and taking out the check oil flow bolt at the top of the engine. If it has good flow, you probably didn't do any damage, but next time....only use the 4 hole one's.
 

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It would not have lasted 500 miles . JUST RIDE
 

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It will explode in T Minus 10, 9, 8, 7, 6, 5, 4, 3, 2, 1...
 

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To each their own ,but I'd use OEM oil filter's only in the future . If there was oil deprivation ,you'd know in short order . Lucky .
 
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