Suzuki RM-Z250 - ECM Tuning Map Selection

MACHINE TUNING 3-7
NOTE:
Be sure to adjust the fork oil quantity within the above-mentioned range.
NOTE:
Identification slit mark on the spring end is for spare parts only. The spring assembled at the factory does
not have identification slit mark.
• Raise the outer tube and temporarily tighten the fork cap bolt (sub-tank). (4-87)
 09941-53630: Front fork cap socket wrench (50 mm)
• Install the front forks. (4-87)
Parts No. Spring rate
Identification
(Slit mark
on the spring end)
STD
Oil quantity
Oil quantity
adjustable range
Soft 51171-28H10
4.5 N/mm
(0.45 kgf/mm)
45°: I
120°: II
(See Fig.1 below)
388 ml
(13.11/13.66
US/Imp oz)
319 – 408 ml
(
10.78/11.23 –
13.79/14.37
US/Imp oz)
STD 51171-28H00
4.7 N/mm
(0.47 kgf/mm)
45°: III
120°: II
(See Fig.2 below)
388 ml
(13.11/13.66
US/Imp oz)
319 – 408 ml
(
10.78/11.23 –
13.79/14.37
US/Imp oz)
Hard 51171-28H20
4.9 N/mm
(0.49 kgf/mm)
45°: II
120°: II
(See Fig.3 below)
388 ml
(13.11/13.66
US/Imp oz)
319 – 408 ml
(
10.78/11.23 –
13.79/14.37
US/Imp oz)
Fig.1 Fig.2 Fig.3
Soft (Part No.51171-28H10) STD (Part No.51171-28H00) Hard (Part No.51171-28H20)
45
75
45
75
45
75
End of roll
Grinding end
Slit
End of roll
Grinding end
Slit
End of roll
Grinding end
Slit
Slit
Slit Slit