Tubular Nut
Strained.... you feel very confident about this fix??
I'm coming up on 7000 miles, we torqued it at 3000 miles, with no problems. I have heard both arguments about the holes. I haven't seen the engineering specifications on it.
When I spoke with the Suzuki Rep in California he said that was the only change. I had asked if the new basket had some means of mechanically locking the tubular nut. The answer was no. After he gave me the Torque Spec and the Honda Part Number I was a happy camper and went away.
From reading the forum I know individuals have drilled several holes themselves. If you think about it, adding the holes will improve oil flow through the assembly. Isn't that the whole purpose of the exercise.
For the people drilling their own holes you could have too much of a good thing. If they are not careful or unlucky they could cause some serious problems. There has to be a sweet spot between the two cases. I have got to believe ( I would hope ) that the Suzuki Engineers looked at the turbulent and laminar fluid flow conditions of the Clutch Assembly and made the right choice. By that I mean the right number of holes, the right location for the holes and the right diameter for the holes.
That said, I still believe that if it ain't broke don't fix it.
If I where you and had your concerns about the clutch assembly and the basket, I would spend the money on a Cycle House Clutch, the MTC Springs and the EVO Star. If you don't have the shutter buying a primary gear assembly won't do anything for you.
Ride Safe!!!