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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)
Big end side clearance C mm (in) 0.25–0.75 (0.010–0.030)
Maximum small end axial
play D
mm (in) 2.0 (0.08)
CARBURETORS
Type Floatless
Identification mark #1: 68A-01, #2: 68A-02
Main nozzle mm (in) 3.0 (0.12)
Main jet 150
Pilot jet 90
Throttle valve 120
Valve seat size mm (in) 1.2 (0.05)
Trolling speed r/min 1,300 ± 50
REED VALVES
Thickness mm (in) 0.52 (0.020)
Reed valve stopper height mm (in) 10.8–11.4 (0.43–0.45)
Reed valve warpage limit mm (in) 0.2 (0.01)
Item Unit
Model
GP800R
JET PUMP
Impeller material Stainless steel
Number of impeller blades 3
Impeller pitch angle Degree 13.2
Impeller clearance mm (in) 0.35–0.45 (0.014–0.018)
Impeller clearance limit mm (in) 0.6 (0.024)
Drive shaft runout limit mm (in) 0.3 (0.012)
Nozzle diameter mm (in) 86.8 (3.42)
Item Unit
Model
GP800R
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
GP800R
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