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TimM
TimM Reader
1/3/25 4:04 p.m.

Knowing that the young student will be attempting to manipulate this thrill ride - a softer, gentler clutch with heavier flywheel was procured:

ACT HDSS single disc with sprung hub to allow some forgiveness on shifts (compared to twin disc with no springs):

And 11 pound flywheel to enable easier 'step off' starts (compared to nearly nothing currently with the Cusco unit): 

Hopefully will begin the teardown this weekend...

TimM
TimM Reader
1/9/25 2:12 p.m.

Bit of brake bleeding on-going:

Calipers have held up nicely to the track miles - although I'm pretty easy on brakes...

TimM
TimM Reader
3/2/25 3:40 p.m.

Moving on to more fun maintenance actions...repacking axle joints along with new boots:

Old:

New:

Unsure when they were done last and last year one split on the way home from Spa...

TimM
TimM Reader
3/9/25 9:05 a.m.

Both rear axles complete and reinstalled.  Moving on to the Ohlins spring 'upgrade'... Many buy a new set of springs for the front typically 100's and swapping with 120's.  Then taking the 100's and installing in the rear - bumping both ends similiarly or so we thought.  Upon disassembling a front and rear for the exchange, noticed both were 90's.  So the rears will not receive any more stiffness.  Hopefully, it won't lead to excess understeer.  We'll see!:

120's - Note, we paid $50 import tax on these from the UK...making these very expensive springs.  Can thank the BREXIT for that...US is very lucky to avoid this 30% upcharge on everything!:  

Complete!

I also elected to replace the front wheel bearings - bit disappointed as the are OEM and its not like we did too many jumps or curb hops...;-)

New, shiny parts!

 

docwyte
docwyte UltimaDork
3/9/25 10:11 a.m.

We'll see how stable prices are with everything going on now....  I might be doing a spring change on my 996, it's currently set up fairly stiff for track work, I think 685lbs front and 900lbs rear.  I'm thinking of moving the front to the rear and getting something like 450 for the front

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