A.FrictionRingB.CaulkingAchainthatbreaksorjumpsoffthesprock-etscouldsnagontheenginesprocketorlocktherearwheel,severelydamagingthemotor-cycleandcausingittogooutofcontrol.In-spectthechainfordamageandproperad-justmentbeforeeachride.DriveChainSlackMAINTENANCEANDADJUSTMENT107ChainSlackInspection•Raisetherearwheelofftheground,thenrotatetherearwheeltofindtheplacewherethechainistightest(becauseitwearsunevenly).•Pushupthedrivechaininthemiddleoftheup-perchainruntomeasurethechainslack.Thedistancebetweenthebottomofthechainandtherearendofthechainslippershouldbewithinthestandardvalue.Forsafetyandtopreventexcessivewear,thedrivechainmustbechecked,adjusted,andlubricatedbe-foreriding.Ifthechainbecomesbadlywornormal-adjusted-eithertoolooseortootight-itcouldjumpoffthesprocketsorbreak.Standard•Adjustthedrivechainifitsslackisoutofspecifi-cation.48–54mm(1.9–2.1in.)DriveChainWARNINGjRearAxleNut•Visuallyinspecttherearaxlenutfordeformationordamageatthefrictionringandcaulking.Ifitisdeformedordamaged,replacetheaxlenutwithanewone.
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