154 FMI Slipping out of gear

[rossw]

Just got this last fall. Have been out on it a dozen times, actually my son. I have a 166 FMM.

Today it starting slipping into neutral. Seems to do it when not under load, when I let off on the gas for a second. Seemed to happen more as the engine warms up, maybe or it could be my imagination.

I am running fully synthetic Shell Rotella T6. I have been running this since the start of the year and have been out 2 previous times without any slippage.

If you pull in the clutch and tap it back into gear it goes again... sometimes for only a few hundred feet though :-(

I verified the chain tension, clutch cable.

Any ideas?

Thanks,
Ross