
4A-20
90-13645--2
495
POWERHEAD
a
b
c
d
a - Crankcase Cover
b - Check Valve Assembly P/N 21-42657A1
c - Valve Restrictor P/N 22-814204
d - Install From Crankshaft Side
Check Valve/Restrictor Assembly
7. Verify check balls are free to move in check valve
case after installation. If check balls are not loose,
check valve case was damaged during installa-
tion and MUST BE replaced.
8. Reassemble powerhead per appropriate service
manual instructions and reinstall on driveshaft
housing.
DESIGN 3 (MODELS WITH CHECK VALVE AND
CARRIER)
NOTE: DESIGN 3 check valves may be replaced
without splitting crankcase halves.
REMOVAL
1. Remove carburetors and intake manifold/reed
block assemblies. Refer to page 4A-10/11 for
procedure.
2. Grasp carrier and remove carrier/check valve as-
sembly from crankcase cover.
51621
a
a - Carrier/Check Valve Assembly
3. Push check valve out of carrier. If nylon ball within
check valve is stuck or carrier is charred, replace
check valve and/or carrier as required.
IMPORTANT: SINGLE HOLE side of check valve
MUST FACE CRANKCASE.
51131
a
b
c
d
a - Check Valve
b - Carrier
c - Single Hole
d - Double Hole
INSTALLATION
1. Install check valve (if removed) inside of carrier
(single hole of valve faces tapered end of carrier).
2. Align carrier tab with slot in crankcase cover and
insert check valve/carrier assembly into cover.
51621
a
b
c
a - Check Valve/Carrier Assembly
b - Slot
c - Crankcase Cover
Содержание 100
Страница 4: ...GENERAL INFORMATION AND SPECIFICATIONS 1 ...
Страница 18: ...IGNITION SYSTEM ELECTRICAL AND IGNITION A 2 ...
Страница 30: ...11669 BATTERY CHARGING SYSTEM AND STARTING SYSTEM ELECTRICAL AND IGNITION B 2 ...
Страница 58: ...22480 TIMING SYNCHRONIZING ADJUSTING ELECTRICAL AND IGNITION C 2 ...
Страница 71: ...WIRING DIAGRAMS ELECTRICAL AND IGNITION D 2 ...
Страница 86: ...FUEL SYSTEM AND CARBURETION A 3 ...
Страница 118: ...OIL INJECTION SYSTEM B 3 ...
Страница 127: ...20032 3 CYLINDER ENGINES POWERHEAD A 4 ...
Страница 168: ...791 H GEAR HOUSING LOWER UNIT A 5 ...
Страница 170: ...5A 1 90 13645 2 1095 LOWER UNIT Notes ...
Страница 205: ...MID SECTION LOWER UNIT B 5 ...
Страница 207: ...5B 1 90 13645 2 495 LOWER UNIT Notes ...
Страница 218: ...SHOCK ABSORBER LOWER UNIT C 5 ...
Страница 223: ...17250 DESIGN I SIDE FILL RESERVOIR POWER TRIM A 6 ...
Страница 233: ...6A 9 POWER TRIM 90 13645 2 495 Commander Side Mount Remote Control Wiring Diagram ...
Страница 268: ...DESIGN II AFT FILL RESERVOIR POWER TRIM B 6 51344 ...
Страница 305: ...SINGLE RAM POWER TRIM C 6 51485 ...
Страница 309: ...6C 3 90 13645 2 495 POWER TRIM Notes ...
Страница 340: ...50099 ENGINE ATTACHMENTS ENGINE INSTALLATION 7 A ...
Страница 369: ...TILLER HANDLE AND CO PILOT OUTBOARD MOTOR INSTALLATION ATTACHMENTS 7 B ...
Страница 371: ...7B 1 90 13645 2 495 OUTBOARD MOTOR INSTALLATION ATTACHMENTS Notes ...