FRAME Remarks
Shock spring
Standard
Stiffer
Optional
Softer
Stiffer
Fork spring
Standard
Optional
Softer
The standard fork spring and shock spring
mounted on the motorcycle when it leaves the
factory are not marked. Before replacing the
springs, be sure to mark them so they can be
distinguished from other optional springs.
296.8 lbf/in (5.30 kgf/mm)
No mark
(factory products)
Red
paint
(aftermarket parts)
or
285.6 lbf/in (5.10 kgf/mm)
25.2 lbf/in (0.45 kgf/mm)
24.1 lbf/in (0.43 kgf/mm)
26.3 lbf/in (0.47 kgf/mm)
Jet needle number
(1/2 clip position
leaner than
standard series,
leaner only at 1/8
to 3/4 throttle)
NHGQ
Ø2.745 mm
NHGR
Ø2.755 mm
NHGS
Ø2.765 mm
NHGT
Ø2.775 mm
NHFQ
Ø2.745 mm
NHFR
Ø2.755 mm
(standard needle)
NHFS
Ø2.765 mm
NHFT
Ø2.775 mm
NHFU
Ø2.785 mm
NHGU
Ø2.785 mm
CARBURETOR Remarks
Main jet
(Standard: #172)
Slow jet
(Standard: #40)
#162 – #182 (in increments of
2 or 3)
#35 – #45
(in increments of 2 or 3)
Jet Needles
Standard needle: NHFS
Straight diameter: Ø2.765 mm
Jet needle number
(standard series)
FRAME Remarks
Driven sprocket
Standard
< >: Drive chain links
51 Teeth, Aluminum.
<114>
Optional
Optional
50 Teeth, Aluminum
<114>
52 Teeth, Aluminum
<114>
Handlebar
lower holder
Standard 3 mm offset
no offset
General flow characteristics
Leaner Richer
(at 1/16 to 1/4 throttle)
172
TOOLS Remarks
Pin spanner A
Workstand
To adjust spring preload.
(two spanners required)
For maintenance
Blue
58.96 mm58.51 mm
White
308.0 lbf/in (5.50 kgf/mm)
319.2 lbf/in (5.70 kgf/mm)
Red
Pink
These parts and tools may be ordered from your
authorized Honda dealer.
1 scribe mark
(aftermarket parts)
3 scribe mark
1 scribe mark and
3 scribe mark 75
degrees apark
Size
Jetneedle number
Straight diameter (2.765 mm)
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