2-4
SPEC
E
MAINTENANCE SPECIFICATIONS
JET PUMP UNIT
HULL AND HOOD
CRANKSHAFT ASSEMBLY
Crank width
A
mm (in)
72.95 ~ 73.00 (2.872 ~ 2.874)
Deflection limit
B
mm (in)
0.05 (0.002)
Deflection limit
C
mm (in)
0.15 (0.006)
Big end side clearance
D
mm (in)
0.25 ~ 0.75 (0.010 ~ 0.030)
Maximum small end axial
play
E
mm (in)
2.0 (0.08)
CARBURETORS
Type
Floatless
Identification mark
#1: 67X-01, #2: 67X-02, #3: 67X-03
Main nozzle
mm (in)
3.2 (0.13)
Main jet
117.5
Pilot jet
95
Throttle valve
150
Valve seat size
mm (in)
1.2 (0.05)
Trolling speed
r/min
1,350
±
50
REED VALVES
Thickness
mm (in)
0.6 (0.024)
Reed valve stopper height
mm (in)
10.4 ~ 11.0 (0.41 ~ 0.43)
Reed valve warpage limit
mm (in)
0.2 (0.01)
Item
Unit
Model
GP1200R
JET PUMP
Impeller material
Stainless steel
Number of impeller blades
3
Impeller pitch angle
Degree
13.5
Impeller clearance
mm (in)
0.35 ~ 0.45 (0.014 ~ 0.018)
Impeller clearance limit
mm (in)
0.6 (0.02)
Drive shaft runout limit
mm (in)
0.3 (0.012)
Nozzle diameter
mm (in)
86.8 (3.42)
Item
Unit
Model
GP1200R
FREE PLAY
YPVS cable slack
mm (in)
0.5 ~ 1.5 (0.02 ~ 0.06)
Throttle lever free play
mm (in)
4 ~ 7 (0.16 ~ 0.28)
Item
Unit
Model
GP1200R
