Oil Change Question

[johnsandlin]

Is it neccessary to change the washer on the oil plug? When I change the oil in my Volvo S70, I always have to change the crush washer on the oil plug to make sure it doesn't leak. I recently changed the oil on the GZ250 and notice that I have a slight drip on plug. I've torqued it to the correct setting...20 ft-lbs I believe. If you do have to change the washer, any suggestions on where to get it. I've looked at BikeBandit.com, but don't see the part listed. I did change the oil filter also, but did not replace the O-ring...so far no leaks there. I used a K&N-136 filter, but was suprised that it didn't come with o-rings.

Thanks....