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Message: [QUOTE="VintgeRiderVintageGuy, post: 24747, member: 17122"] My son has raced for a while on a KTM 65 but just moved up to a 99 CR80. First off, the bike has huge hit (no powervalve) but that's another story. When he was riding it across an open field in 3rd or 4th gear, it wanted to tank slap (i.e. wobble the bars rapidly). Naturally he is concerned and so am I. Does anyone know what could cause this and what I could do to correct it? Thanks ------------------ Me - 94 RM250, NOT good The boy - 99 CR80, getting better [/QUOTE]