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[BLUEKNIGHT911]

Sorry I did not see this sooner. The problem with filters other then the OEM is that the OEM filter has an anti-drain back valve in it. Because the Ryker oil filter is mounted high, the oil will drain out of it in short order. There are a number of filters with the same dimension out there including after market (K&N, etc.). But they do not have the anti-drain back valve and I would not recommend them for this reason. Letting the oil drain out of the filter canister means your parts will be turning for a precious amount of time without oil delivery as the system is busy refilling the oil filter canister. Over time this will definitely take it's toll on critical parts.

Are you saying the K&N filters ....DON'T have the Anti-Drain back feature ?????? ..... Thanks .... Mike

[BajaRon]

Are you saying the K&N filters ....DON'T have the Anti-Drain back feature ?????? ..... Thanks .... Mike

No aftermarket filter we know of that fits the Ryker has the anti-drain back valve. Including K&N. This is why K&N does not list an oil filter for the Ryker. There is more to an oil filter than external dimensions. Just because it fits. Does not mean you want to use it. Just be careful.

The Spyder does not require an anti-drain back valve because it sits low in the system and the oil does not drain out of it. Only the Ryker needs this feature. There would be no advantage to adding a valve to the Spyder filters.