– 5 –
SPEC
Tightening torques
Carburetors:
I. D. mark
5LP5 20
----
Main jet
(M.J)
Carburetor #1 : #140
Carburetor #2 : #145
----
----
Main air jet
(M.A.J)
#130
----
Jet needle
(J.N)
5ND16-56-3
----
Needle jet
(N.J)
P-6M (#826)
----
Pilot air jet
(P.A.J.1)
Carburetor #1 : #80
Carburetor #2 : #150
----
----
Pilot air jet
(P.A.J.2)
1.3
----
Pilot outlet
(P.O)
Carburetor #1 : 1.0
Carburetor #2 : 0.9
----
----
Pilot jet
(P.J)
#22.5
----
Bypass 1
(B.P.1)
0.8
----
Bypass 2
(B.P.2)
0.8
----
Valve seat size
(V.S)
2.0
----
Starter jet
(G.S.1)
#95
----
Starter jet
(G.S.2)
0.5
----
Throttle valve size
(Th.V)
#80
----
Float height
(F.H)
13 mm (0.51 in)
----
Fuel level
(F.L)
3 ~ 4 mm (0.12 ~ 0.16 in)
----
Engine idle speed
1,450 ~ 1,550 r/min
----
Intake vacuum
32.0 ~ 33.3 kPa (240 ~ 250 mmHg,
9.45 ~ 9.83 inHg)
----
Part to be tightened
Part
name
Thread
size
Q’ty
Tightening torque
Remarks
Nm
m·kg
ft·lb
Air filter case
Bolt
M6
2
9
0.9
6.5
Carburetor clamp
Bolt
M4
4
4
0.4
2.9
Muffler and exhaust pipe 2
Bolt
M8
1
18
1.8
13
Muffler
Bolt
M8
2
33
3.3
24
AC magneto rotor
Nut
M14
1
140
14.0
100
Item
Standard
Limit
MAINTENANCE SPECIFICATIONS
Summary of Contents for YFM660RP 5LP2-AE2 2002
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