the motul is sweet from there site - Specially formulated for gearboxes with wet clutches in 2-stroke motorcycle engines,
TRANSOIL EXPERT 10W-40 delivers smoother
gear shifting under extreme and severe conditions. With the inclusion of a specific gear additive, TRANSOIL EXPERT 10W-40 provides superior clutch performance. For gearboxes without wet clutches, use GEAR 300, MOTYLGEAR or GEARBOX.
It is only $20 here in aus so not to expensive