I have changed my oil 100 times already and have never had a problem removing the oil screen on my '99 900 with a 22mm deep socket, but it never really fit "right". A 22mm felt like it was a hair too big, but a 21 was definitely too small and a 23 definitely too large.

So I finally get around to changing my oil after putting my bike away in October and just for giggles I tried a 13/16ths deep socket on the nut and it fit perfectly! This has to be the only standard sized bit on the bike. Is this one of those Italian manufacturing anmalies or does everyone have a SAE oil screen?


Modified by Nick D. at 2:10 PM 1/18/2005