Originally Posted By: Gebo
No oil consumption. Years ago I had a lot of misfiring problems. After talking with local dealer, changing plugs, etc., I ended up replacing both coils thinking it was low voltage. Come to find out I had a much simpler fix that I only figured out on accident. For years I had been washing and replacing the foam filter which covered the expensive paper element filter. The paper looked fine so I kept on using it and just washing and re-oiling the foam filter.
Well, guess what? All my problems were fixed when I replaced the paper filter with a new one. It had gotten clogged with dirt that could not be seen with the naked eye. The clogged paper filter had been restricting air flow causing misfiring. Now I change both air filters every two years along with my gas filter and spark plugs. And only with Honda OEM.
By the way, this is the GXV 620, V Twin, 20 HP Honda engine.
I could be wrong but I don't think you're supposed to oil the foam filter if it's over a paper filter. Doing so would cause the paper filter to become saturated and too restricted if oil gets on it in sufficient quantity.
I've been using the original paper filter on my Honda GXV-530 for going on 13 years. I use compressed air to blow both the foam and paper elements out every so often. It's not very dusty where I cut so, the filter doesn't pull in much dust.
Does your GXV-620 have overead cams? My 530 does, which I thought was unusual. Most GX engines are push rod.