2B-15 Front Suspension:
7) Slide down the outer tube.
8) Pour the specified amount of fork oil into the outer
tube as shown in the fork oil quantity table.
: Fork Oil (FORK OIL SS-19 or equivalent)
Fork oil capacity
320 ml (10.8/11.3 US/lmp oz)
9) Raise the outer tube and temporarily tighten the fork
cap bolt (sub-tank). Refer to “Front Fork Assembly”
(Page 2B-7).
Special tool
: 09941–53630 (Front fork cap socket
wrench (50 mm))
10) Install the front forks. Refer to “Front Fork Removal
and Installation” (Page 2B-2).
Spring Change
• Remove the dumper rod assembly and fork spring.
Refer to “Front Fork Disassembly” (Page 2B-3).
• Select the spring as shown in the spring rate table.
Spring Rate Table
• Pour the specified amount fork oil into the outer tube
in accordance the following table.
Oil Quantity Table
• Assemble the front fork. Refer to “Front Fork
Assembly” (Page 2B-7).
Specifications
Service Data
BA02J22207001
Suspension
Unit: mm (in)
IA02J1220067-01
SPRING/No. SPRING RATE IDENTIFICATION
Soft 51171-28H10
4.41 N/mm
(0.45 kgf/mm)
4.61 N/mm
(0.47 kgf/mm)
4.81 N/mm
(0.49 kgf/mm)
3 slits
STD 51171-28H00 5 Slits
Hard 51171-28H20 4 Slits
IA02J1220068-02
STD OIL QUANTITY
Soft
327 ml
(11.06 / 11.51 US/lmp oz)
320 ml
(10.82 / 11.26 US/lmp oz)
303 ml
(10.25 / 10.67 US/lmp oz)
STD
Hard
51171-28H10
51171-28H00
51171-28H20
SPRING/No.
IA02J1220069-03
Item Standard Limit Note
Front fork stroke 310 (12.2) —
Front fork spring free length 495 (19.48) 485 (19.09)
Front fork oil type FORK OIL SS-19 or an equivalent fork oil —
Front fork oil capacity (Each leg)
320 ml
(10.8/11.3 US/lmp oz)
—
Outer tube oil
quantity
193 ml
(6.5/6.8 US/lmp oz)
—
Damper rod oil
quantity
Front fork inner tube O.D. 47 (18.5) —
Front fork spring rate 4.61 N/mm (0.47 kgf/mm) —
Front fork damping force adjuster
Rebound MAX – 8 clicks turn back —
Compression MAX – 8 clicks turn back —
Front fork air pressure 0 kPa (0 kgf/cm
2
, 0 psi)
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