250 died while riding - Page 2 - Honda CBR250R Forum : Honda CBR 250 Forums
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post #11 of 18 Old 07-01-2015, 11:08 PM
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Originally Posted by hondafan View Post
The 112 is the wrong filter.....that is for an XR250/650. The Honda filter is a 15410-KYJ-901. They show the K&N replacement as a 111.
No, K&N KN-112 and HiFlo HF112 are the correct filters.

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post #12 of 18 Old 07-02-2015, 12:37 AM
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My K&N search for the 250 brought up a KN111....turns out, that is for the 250 4 cylinder. The fitment chart for the KN 112, shows it fitting the CBR250 and also the XR650L. I have Honda filters for both those bikes and they use a different stamping for installation direction.
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post #13 of 18 Old 07-02-2015, 08:56 AM
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Gasket towards engine, flat part towards spring on oil filter cover.

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post #14 of 18 Old 07-02-2015, 10:13 AM
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Spark, compression, fuel. Those things in the right amounts and time make it go. Fuel being air and gasoline. Sounds like you're doing it right, test the plug for sparking, then the compression test, if it's still all good, check for injector pumping gas and then airflow.

-Eric
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post #15 of 18 Old 07-03-2015, 11:23 AM
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Check your spark plugs, and check the compression both, I think that should be the culprit. I've known instances where a loose spark plug makes engine lose compression. Check the basics.

Cheers!
V

Fool me once - Shame on you!
Fool me twice - I'll kick your a**e

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post #16 of 18 Old 07-03-2015, 12:09 PM
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BTW how does one check compression anyway? I guess a special tool is needed?

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post #17 of 18 Old 07-03-2015, 02:30 PM
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BTW how does one check compression anyway? I guess a special tool is needed?
Compression gauge is a pressure gauge that screws into the spark plug port. You turn the engine over and it tells you how much pressure the cylinder builds.

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post #18 of 18 Old 07-04-2015, 12:08 PM
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BTW how does one check compression anyway? I guess a special tool is needed?


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