Page 4B-12
90-884294 OCTOBER 2001
Problem Diagnosis
Condition
Recommended Range
Possible Cause
Pressure below specification @
idle
1.5 – 4.5 PSI (10.3 – 30.8 kPa)
•
Poppet valve spring defective
(weak, broken, missing)
•
Defective poppet valve seal
•
Thermostat stuck open
•
Severe internal leak
•
Low output water pump
•
Inlet restriction
Pressure above 5 psi (34.2kPa)
@ idle
1.5 – 4.5 PSI (10.3 – 30.8 kPa)
•
Plugged poppet by-pass pas-
sage or tell-tale
Pressure does not drop between
1000 – 2500 RPM indicating pop-
pet valve has opened
6 – 7 PSI (41.1 – 47.9 kPa) be-
tween 1000 – 2200 RPM
•
Wrong poppet valve spring
•
Low output water pump
•
Inlet restriction
•
Poppet valve vent hole plugged
or restricted
•
Severe internal leak
•
Defective poppet valve seal
Poppet valve flutter/water pres-
sure drop does not stabilize prior
to 2500 RPM
•
Wrong poppet valve spring
•
Low output water pump
•
Inlet restriction
•
Broken diaphragm in poppet
valve
•
Severe internal leak
•
Defective poppet valve seal
Pressure is below minimum spec-
ification @ W.O.T.
8 PSI (54.8 kPa)
•
Inlet restriction
•
Engine mounted too high on
transom
•
Engine trimmed out too far
•
Configuration of boat bottom in-
terfering with adequate flow of
water to coolant inlets
•
Severe internal leak
•
Low output water pump
Pressure higher than normal @
W.O.T., but engine still indicates
overheat condition
Maximum pressure – 30 PSI
(206.8 kPa)
•
Outlet water passages restricted.
•
Steam pocket has formed at top
of powerhead due to lack of cool-
ing water
Содержание 225 EFI
Страница 64: ...IGNITION Page 2A 8 90 884294 OCTOBER 2001 Coil Plate Assembly...
Страница 66: ...IGNITION Page 2A 10 90 884294 OCTOBER 2001 Electrical Plate Assembly A...
Страница 68: ...IGNITION Page 2A 12 90 884294 OCTOBER 2001 Electrical Plate Assembly A...
Страница 100: ...CHARGING STARTING SYSTEM 90 884294 OCTOBER 2001 Page 2B 9 Notes...
Страница 101: ...CHARGING STARTING SYSTEM Page 2B 10 90 884294 OCTOBER 2001 Flywheel Alternator...
Страница 159: ...WIRING DIAGRAMS 90 884294 OCTOBER 2001 Page 2D 9 Notes...
Страница 220: ...FUEL PUMP 90 884294 OCTOBER 2001 Page 3A 3 Notes...
Страница 221: ...FUEL PUMP Page 3A 4 90 884294 OCTOBER 2001 Fuel Pump Assembly A...
Страница 234: ...FUEL INJECTION 90 884294 Page 3B 5 OCTOBER 2001 11 Tamper Proof Torx Screw Set 91 881828 58685 Notes...
Страница 235: ...FUEL INJECTION Page 3B 6 90 884294 OCTOBER 2001 Fuel Management System...
Страница 237: ...FUEL INJECTION Page 3B 8 90 884294 OCTOBER 2001 Fuel Management System...
Страница 239: ...FUEL INJECTION Page 3B 10 90 884294 OCTOBER 2001 Vapor Separator Components...
Страница 293: ...OIL INJECTION 90 884294 OCTOBER 2001 Page 3C 3 Notes...
Страница 294: ...OIL INJECTION Page 3C 4 90 884294 OCTOBER 2001 Oil Injection Components...
Страница 317: ...POWERHEAD 90 884294 OCTOBER 2001 Page 4A 5 Notes...
Страница 326: ...POWERHEAD Page 4A 14 90 884294 OCTOBER 2001 Starboard Bleed System Routing 1 2 2 2 3 4 5 6 7 7 7 2 7...
Страница 328: ...POWERHEAD Page 4A 16 90 884294 OCTOBER 2001 Port Bleed System Routing 1 1 1 1 2 2 2 8 8 8 3 4 4 5 5 5 5 6 7 7 9 10 11 12...
Страница 385: ...POWERHEAD 90 884294 OCTOBER 2001 Page 4A 73 Notes...
Страница 407: ...COOLING Page 4B 8 90 883728 JULY 2001 Notes...
Страница 701: ...COLOR DIAGRAMS Page 8 2 90 884294 OCTOBER 2001 Notes...
Страница 702: ...COLOR DIAGRAMS Page 8 3 90 884294 OCTOBER 2001 225 250 3 0 LITRE WORK EFI WIRING DIAGRAM 2002 MODEL YEAR...
Страница 710: ...C D E A B 59266 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 16 17 18 19 20 21 22 23 24 25 26 27 28 29 14 15 14 14 12 10...
Страница 711: ...COLOR DIAGRAMS Page 8 9 90 884294 OCTOBER 2001 TYPICAL SMARTCRAFT DUAL OUTBOARD INSTALLATION 2002 MODEL YEAR...
Страница 714: ...COLOR DIAGRAMS Page 8 11 90 884294 OCTOBER 2001 225 250 3 0 LITRE WORK EFI OIL FUEL FLOW DIAGRAM 2002 MODEL YEAR...
Страница 716: ...58847 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28...
Страница 717: ...COLOR DIAGRAMS Page 8 13 90 884294 OCTOBER 2001 225 250 3 0 LITRE WORK EFI WATER FLOW DIAGRAM 2002 MODEL YEAR...
Страница 719: ...7 7 14 59162 1 17 16 2 3 4 5 6 8 8 9 1 16 12 13 14 15 10 11 11 17 1 1...