Rear Shock Absorber
Using the hook wrenches [A] (R42, 57001-1103 and
57001-1539), loosen the locknut [B].
The hook wrench (R42, 57001-1103) is in the hook
wrench R37.5, R42: 57001-1101.
Special Tools - Hook Wrench R37.5, R42: 57001-1101
Hook Wrench T=3.2 R37: 57001-1539
Using the hook wrench [A] (57001-1539), turn the adjust-
ing nut [B] as required. Turning the adjusting nut down-
ward marks the spring action harder and upward softer.
Special Tool - Hook Wrench T=3.2 R37: 57001-1539
Spring Preload Adjustment
(Lower surface of the adjusting nut from the center of
the upper mounting hole [A])
(US, CA , AU) 124.4 mm (4.898 in.)
(EUR, BR) 125.4 mm (4.937 in.)
124.4 ∼ 135.3 mm (4.898 ∼ 5.327 in.)
Tighten the locknut securely.
After adjusting, move the spring up and down to make
sure that the spring is seated.
Install the removed parts (see appropriate chapters).
Rear Shock Absorber Spring Tension Inspection
Since the spring becomes shorter as it weakens, check
its free length [A] to determine its condition.
Shock Absorber Spring Free Length
If the free length falls below the service limit, replace the
Rear Shock Absorber Removal
Muffler Body (see Muffler Body Removal in the Engine
Top End chapter)
Rear Frame (see Rear Frame Removal in the Frame
Using the jack under the frame, raise the rear wheel off
Special Tools - Jack: 57001-1238
Jack Attachment: 57001-1608
265 mm (10.4 in.)
260 mm (10.2 in.)