Penske Racing Shocks 8975-STREET - Manual (Page 6)

PS‐8975‐STREET (Double Adjustable) 2013/2014
6
Check out our video on “how to change a spring” it will also explain how to set preload:
http://www.youtube.com/watch?v=vxn34K7An3o
Setting the Sag of the Shock
STEP 1
1) Without a rider on the bike, have an assistant lift the rear of
the motorcycle until the rear wheel is off the ground slightly.
2) Using a tape measure, measure the distance between the axle
center line and a convenient location on the rear subframe.
3) Record this measurement as "A". Your Bike:
STEP 2
1) One person should hold the front of the motorcycle, straddling the front tire.
2) Measure the distance between the axle center line and a convenient location on the rear subframe
(same locations used in Step 1).
3) Record this measurement as "B". Your Bike:
STEP 3
1) One person should hold the front of the motorcycle, straddling the front tire.
2) Have the rider, wearing all of their gear, sit on the bike in a tuck position.
3) The third person should then measure the distance between the axle center line and a convenient
location on the rear subframe (same locations used in Step 1).
4) Record this measurement as "C". Your Bike:
STEP 4
1) Subtract "B" from "A". This number is your static sag or free sag.
Target: 6mm ‐ 12mm Free Sag Your Free Sag:
1) Subtract "C" from "A". This number is your rider sag.
Target: 22mm – 35mm Rider Sag Your Rider Sag: