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I know K&N is for paper not foam filters but, I have been told it works just the same even if I have to clean and oil more frequently. It has to be better than none at all

I Just got my new UNI and was wondering if WD40 is good enough to use as a foam air filter oil? My last filter was the cheapo Scrappydog pod filter and fell apart on me and never oiled. (The foam separated from the rubber mount) BTW, Is it better to oil the foam or the prefilter? Or Both?

Have you adjusted the valves? Always the first thing to do with a hard start. It sounds just like my QMB hard starts. If your sure the battery is fully charged then try adjusting the valves. If that does not work then look at the bendix or bushings.Has the scoot sat for a long period of time? Kill swich on? Sounds silly but the best of us forget sometimes

Some of the mods the Japanese do with these scoot are phenomenal. Air bags , lights, paintwork. The customizations can cost twice what the scoot is worth. I hope someday the U.S. will catch up with the cool things happening in Japan and Puerto Rico.

Congrats brother!!! glad you found a solution and got your 90$ back.

Thank you for all the help guys!!!!!! Alley- I have a Keihin style CVK carb. I Have a Vacuum line from the manifold to the petcock, and another vacuum line from the manifold to the carb.So, I can just pull the petcock, replace with the shut off valve and plug the vacuum at the manifold, be a happy camper and learn something new. If I shut off the gas about 30seconds befor turing off the engine, A would be thief may never get it to start. He He ;D

My little 50cc QMB has had some problems. I have ended up replacing the Petcock 2x now. I got a Briggs and Stratton manual fuel valve as a gag gift for Christmas. The funny part is now I want to use it.Has anyone done this? and what to do about the vacuum line? Pics always help if this can be done. Anyone else run petcockless?