SPEC
62
Model
RS90RX/RS90GTX/RS90GTAX/RS90LTX/RS90LTGTX
Carburetors:
Type
×
Quantity
CVK40
×
3
Manufacturer
KEIHIN
I.D. mark
8GM1 00
Main jet
(M.J)
#148
Main air jet
(M.A.J)
#70
Jet needle
(J.N)
N425-8SJ00
Needle jet
(N.J)
W9554-26538#6
Pilot jet
(P.J)
#45
Pilot air jet
(P.A.J)
#120
Pilot outlet
(P.O)
0.9
Bypass 1
(B.P.1)
0.8
(B.P.2) 0.8
(B.P.3)
0.8
(B.P.4)
0.8
(B.P.5) 0.8
Throttle valve
(Th.V)
1020-870-80 (
θ
= 10°)
Valve seat size
(V.S)
1.2
Starter jet
(G.S)
#70
Float height
(F.H)
16 mm (0.630 in)
Fuel level (below the line on the float
chamber)
0.2 ~ 2.2 mm (0.008 ~ 0.087 in)
Throttle cable free play
2.0 ~ 3.0 mm (0.08 ~ 0.12 in)
Engine idle speed
1,300 ~ 1,500 r/min
Fuel pump:
Type
Diaphragm
Manufacturer
8GM (MIKUNI)
Oil filter:
Oil filter type
Cartridge (paper)
Bypass valve opening pressure
78 ~ 118 kPa (0.78 ~ 1.18 kg/cm
2
, 11.1 ~ 16.8 psi)
Oil pump:
Oil pump type
Trochoidal
Inner-rotor-to-outer-rotor-tip clearance 0.09 ~ 0.15 mm (0.004 ~ 0.006 in)
Outer-rotor-to-oil-pump-housing
clearance
0.03 ~ 0.08 mm (0.001 ~ 0.003 in)
Relief valve operating pressure
440 ~ 560 kPa (4.4 ~ 5.6 kg/cm
2
, 62.6 ~ 79.6 psi)
Oil pressure (hot)
45 kPa (0.45 kg/cm
2
, 6.40 psi) at 1,400 r/min
MAINTENANCE SPECIFICATIONS