Yamaha RS90K Manuel D'atelier page 739

Model
Bypass 1
Pilot screw
Throttle valve
Valve seat size
Starter jet
Float height
Fuel level (below the line on the float cham-
ber)
Throttle cable free play
Engine idle speed
Fuel pump:
Type
Manufacturer
Oil filter:
Oil filter type
Bypass valve opening pressure
Oil pump:
Oil pump type
Inner-rotor-to-outer-rotor-tip clearance
Outer-rotor-to-oil-pump-housing clearance
Relief valve operating pressure
Oil pressure (hot)
Cooling system:
Filler cap opening pressure
Water pump type
Reduction ratio
Coolant type
Coolant mixing ratio (coolant: water)
Capacity
Max. impeller shaft tilt
<Limit>
MAINTENANCE SPECIFICATIONS
RS90/RS90R/RSG90/RS90M/RST90/RST90TF
(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
(P.S) 2 turns out
(Th.V) 1020-B70-B0 (θ = 10°)
(V.S) 1.2
(G.S) #70
(F.H) 16 mm (0.630 in)
0.2 ~ 2.2 mm (0.008 ~ 0.087 in)
2.0 ~ 3.0 mm (0.08 ~ 0.12 in)
1,300 ~ 1,500 r/min
Diaphragm
8FA (MIKUNI)
Cartridge (paper)
78 ~ 118 kPa (0.78 ~ 1.18 kg/cm
Trochoidal
0.09 ~ 0.15 mm (0.004 ~ 0.006 in)
0.03 ~ 0.08 mm (0.001 ~ 0.003 in)
440 ~ 560 kPa (4.4 ~ 5.6 kg/cm
45 kPa (0.45 kg/cm
95 ~ 125 kPa (0.95 ~ 1.25 kg/cm
Single-suction centrifugal pump (Impeller type)
22/28 (0.786)
High quality silicate-free ethylene glycol antifreeze contain-
ing corrosion inhibitors
3 : 2 (60% : 40%)
4.8 L (4.22 Imp qt, 5.07 US qt) (RS90/RS90R/RSG90)
6.3 L (5.55 Imp qt, 6.66 US qt) (RS90M)
5.2 L (4.58 Imp qt, 5.50 US qt) (RST90 "USA/Canada"/
RST90TF "Canada")
5.4 L (4.75 Imp qt, 5.71 US qt) (RST90 "Europe"/RST90TF
"Europe")
0.15 mm (0.0059 in)
0.072 mm (0.0028 in)
9-8
SPEC
2
, 11.1 ~ 16.8 psi)
2
, 62.6 ~ 79.6 psi)
2
, 6.40 psi) at 1,400 r/min
2
13.5 ~ 17.8 psi)