Hi All Having a problem with my cbr rr 250. It hasnt been started for 2 weeks but when i started it it starts but it sounds like a whipper snipper and not much power. What could be the problem as it was starting and sounding fine before. I havent ridden it to try an blow it through as im worried i might make the problem worse. It starts fine but low in power like its running on half an engine. the battery is full and the plugs were changed 2 months ago Any help is appreciated and keep in mind my mechanical skill end with changing the plugs. Cheers for all help and replies.