CBR250Rで清里へ。6速3000rpmで50Km/hだけど、ちょっとした登り坂でエンジンがバタバタしだす。5速に落とせばいつ

Default Widget

This is Sidebar 1. You can edit the content that appears here by visiting your Widgets panel and modifying the current widgets in Sidebar 1. Or, if you want to be a true ninja, you can add your own content to this sidebar by using the appropriate hooks.