Jet Unit - Yamaha LST1200X1999 Service Manual

2
SPEC
ENGINE
Item
Crankshaft Assembly:
Crank width "A"
Deflection limit "B"
Big end side clearance "C"
Maximum small end
axial play "D"
Carburetor (each engine):
Type
Manufacturer
Number of carburetors
Identification mark
Main nozzle (M.N.)
Main jet (M.J.)
Pilot jet (P.J.)
Throttle valve
Valve seat size
Trolling speed
Reed Valve:
Thickness
Valve stopper height
Valve warpage limit

JET UNIT

Item
Jet Pump (each):
Impeller material
Number of impeller blades
Impeller pitch
Impeller clearance
Impeller clearance limit
Drive shaft runout limit
Nozzle diameter
GENERAL SPECIFICATIONS
Unit
in (mm)
in (mm)
in (mm)
in (mm)
in (mm)
in (mm)
r/min.
in (mm)
in (mm)
in (mm)
Unit
degree
in (mm)
in (mm)
in (mm)
in (mm)
6
LST1200
2.439 ~ 2.441"
(61.95 ~ 62.00mm)
0.002" (0.05mm)
0.010 ~ 0.030"
(0.25 ~ 0.75mm)
0.08" (2.0mm)
Floatless
Mikuni
3
66H21/12/13
0.13" (3.2mm)
135
100 (F) / 95 (C) / 97.5 (R)
130
0.05" (1.2mm)
1,300 + 50
0.02" (0.5mm)
0.49 + 0.01" (12.5 +0.2mm)
0.01" (0.2mm)
LST1200
SUS
3
15.1
0.010 ~ 0.014"
(0.25 ~ 0.35mm)
0.024" (0.6mm)
0.012" (0.3mm)
3.386" (86.0mm)