hi everyone,

just upgraded from a 2005 300 pro to a 2009 300 pro

the 2009 300 pro cost me £1500 it needed bits and bobs such as new tyres and the stickers where taty, but for £1500 i am more then happy with it,

went for a ride to day and found the clutch was slipping i believe this is down to the gear box oil?

when i bought it i tested the clutch and ran it through all the gears and it was fine, i did a oil change using 5w-30 as thats what i was told to use in my old bike and it worked great, but i think its making my new bikes clutch slip as when the bikes warm it slips much more then when i first stared it ( so oils cold )

if its not the oil what could it be ?

also what oil would you guys use?

any advise would be a great help

thanks

Everyine has their favorite gearbox/clutch oil - Autotrac II, ATF, motor oil - check that there is 2 to 3 mm of free-play in the lever., that will allow the piston in the master cyclinder to fully release the clutch fingers for full engagement. The second thing I would check is the height of the fingers on the clutch assembly. All of the manuals that are provided with the bikes have a description of how to check this measurement, as do various websites; Gas Gas factory, UK USA etc.

Hope this helps

Spencer

thanks for your help spencer im going to look into getting some atf, im going to remove the clutch and check everything soon thanks again.

I just had this with my txt pro............ it was not having the right play at the clutch lever. I swapped the atf to the putoline nano trans and its made things alot easier.