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Cody
Cody asked in Cars & TransportationMotorcycles · 5 years ago

Yamaha ybr gear slipping.?

Hey, I'm having problems with my Yamaha ybr 125. I constantly had a really bad slamming/slipping on gears or clutch, so I changed the oil and it eased it off. Now for some reason it only slips when the bike becomes hot. On short journeys when engine is cold it is fine. I am using 10-40w semi sythnetic putaline oil as recommended. I am more than certain it's something oil related. Any ideas would be helpful. Cheers in advance

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  • Candid Chris
    Lv 7
    5 years ago

    Don't know that oil brand but are you sure it was a JASO approved motorcycle oil?

    Some automobile oils contain 'friction-fighters'that doesn't work well with wet-clutches

    Source(s): riding/racing for 50+ yrs
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