Owner`s manual

148 Technical Information
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.
308.0 lbf/in (5.50 kgf/mm)
No mark
(factory products)
Red
paint
(aftermarket parts)
or
296.8 lbf/in (5.30 kgf/mm)
25.76 lbf/in (0.46 kgf/mm)
24.64 lbf/in (0.44 kgf/mm)
26.88 lbf/in (0.48 kgf/mm)
Jet needle number
(1/2 clip position
leaner than
standard series,
leaner only at 1/8
to 3/4 throttle)
NKPP
Ø2.735 mm
NKPQ
Ø2.745 mm
NKPR
Ø2.755 mm
NKPS
Ø2.765 mm
NJYP
Ø2.735 mm
NJYQ
Ø2.745 mm
(standard needle)
NJYR
Ø2.755 mm
NJYS
Ø2.765 mm
NJYT
Ø2.775 mm
NKPT
Ø2.775 mm
CARBURETOR Remarks
Main jet
(Standard: #178)
Slow jet
(Standard: #42)
#168 – #188 (in increments of
2 or 3)
Leak jet
(Standard: #50)
#40 – #60
#38 – #48
(in increments of 2 or 3)
Jet Needles
Standard needle: NJYR
Straight diameter: ø2.755 mm
Jet needle number
(standard series)
TOOLS Remarks
FRAME Remarks
Driven sprocket
Standard
< >: Drive chain links
48 Teeth, Aluminum.
<114>
Optional 47 Teeth, Aluminum
<114>
49 Teeth, Aluminum
<114>
Drive chain
size/link
D.I.D 520 DMA2/120RB
Optional
Handlebar
lower holder
3 mm offset
no offset
Pin spanner A
Workstand
To adjust spring preload.
(two spanners required)
For maintenance
Air gauge For checking tire air pressure
General flow characteristics
Leaner Richer
(at 1/16 to 1/4 throttle)
168
Red
Blue
319.2 lbf/in (5.70 kgf/mm)
330.4 lbf/in (5.90 kgf/mm)
Pink
Silver
These parts and tools may be ordered from your
authorized Honda dealer.
2 scribe marks
(aftermarket parts)
3 scribe marks
Size
Jet needle number
Straight diameter (ø2.755 mm)
4 scribe marks
Optional Parts List
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