2
MAINTENANCE SPECIFICATIONS
SPEC
MAINTENANCE SPECIFICATIONS
ENGINE
Item
Standard
Limit
Automatic centrifugal clutch:
Clutch shoe thickness
Clutch housing inside diameter
Clutch shoe spring free length
Weight outside diameter
Clutch - in revolution
Clutch - stall revolution
3.0 mm
135 mm
28.1 mm
20 mm
2,250
2,850 r / min
3,700
4,700 r / min
2.0 mm
135.5 mm
19.5 mm
Carburetor:
Type
I.D. mark
Ventuly outside diameter
Main jet
(M.J)
Main air jet
(M.A.J)
Jet needle
(J.N)
Throttle valve size
(Th.V)
Pilot air jet
(P.A.J.1)
Needle jet
(N.J)
Pilot outlet
(P.O)
Pilot jet
(P.J)
Bypass
(B.P)
Pilot screw
(P.S)
Valve seat size
(V.S)
Starter jet 1
(G.S.1)
Starter jet 2
(G.S.2)
Float height
(F.H)
Engine idle speed
Intake vacuum
Oil temperature
Cooling water temperature
Y28V-1A
4UC 02 [4UD 00 (CH)]
ø28
#130
ø0.9
5D32-3 / 5
11
ø1.2
#85
ø0.8
#44
0.7 3
1 7 / 8 [1 5 / 8 (CH)]
1.4
ø0.45 [ø0.47 (CH)]
ø0.5
27 mm
1,350
1,450 r / min
220
260 mmHg
65
75
C
80
C
CHASSIS
Item
Standard
Limit
Front suspension:
Front fork travel
Fork spring free length
Spring rate
(K1)
Stroke
(K1)
Oil capacity
Oil level
Oil grade
Inner tube vend limit
100 mm
268.5 mm
5.7 N / mm (0.57 kg / mm)
0
100 mm
0.142 L (142 cm
3
)
80 mm
Fork oil 15 WT or equivalent
263.5 mm
0.2 mm
