4-26 - POWERHEAD
90-814676R1 DECEMBER 1996
Cylinder Bore Size
Piston Size
Cylinder Bore
Finish Hone
With Standard Size Piston
With .015” Oversize Piston
With .030” Oversize Piston
2.565” (65.15mm)
2.580” (65.53mm)
2.595” (65.91mm)
1. If cylinder bore is tapered, out-of-round or worn
more than .004” (0.10mm) from “STANDARD
PISTON DIAMETERS and CYLINDER BLOCK
FINISH HONE” (refer to chart, preceding), it will
be necessary to re-bore cylinders) to .015”
(0.38mm) or .030” (0.762mm) oversize and
install oversize piston(s) and piston rings during
reassembly. If .030” oversize cylinder block finish
hone diameter is tapered, out-of-round or worn
more than .004”, cylinder block must be replaced.
NOTE: The weight of an oversize piston is approxi-
mately the same as a standard size piston, therefore,
it is not necessary to re-bore all cylinders in a block
just because one cylinder requires re-boring.
2. After honing and thoroughly cleaning cylinder
bores, apply light oil to cylinder walls to prevent
rusting.
Pistons
NOTE: To assure lasting repairs and proper engine
operation after repairs, it is important that piston rings
be replaced.
IMPORTANT: If engine was submerged while en-
gine was running, piston pin and/or connecting
rod may be bent. If piston pin is bent, piston must
be replaced. (Piston pins are not sold separately
because of matched fit into piston.) If piston pin
is bent, connecting rod must be checked for
straightness (refer to “Connecting Rods,” fol-
lowing, on how to check straightness).
1. Check pistons for scoring, cracks, metal damage
and cracked or worn piston pin bosses. If any of
these conditions are found, replace piston(s).
2. Inspect piston ring grooves for wear, burns, dis-
tortion or loose piston ring locating pins.
3. Clean piston dome, ring grooves and piston skirt.
Use recessed end of a broken piston ring to clean
carbon deposits from ring grooves. DO NOT use
an automotive type ring groove cleaner, as this
type tool could loosen piston ring locating pins.
54705
4. Clean carbon deposits from top of pistons with a
soft wire brush, carbon removal solution or sand
blasting. When wire brushing top of piston, DO
NOT burr or round machined edges. Clean (pol-
ish) piston skirt with crocus cloth.
5. After thoroughly cleaning pistons, check each
piston size and roundness, using a micrometer.
Piston must be measured as described, follow-
ing.
Содержание 30 JET 40 (4 CYL)
Страница 5: ...1 50332 IMPORTANT INFORMATION GENERAL INFORMATION and SPECIFICATIONS ...
Страница 25: ...A 2 54637 ELECTRICAL AND IGNITION IGNITION SYSTEM ...
Страница 51: ...B 2 ELECTRICAL AND IGNITION BATTERY CHARGING SYSTEM and STARTING SYSTEM ...
Страница 69: ...C 2 54663 ELECTRICAL AND IGNITION TIMING SYNCHRONIZING ADJUSTING ...
Страница 76: ...D 2 23891 ELECTRICAL AND IGNITION WIRING ...
Страница 96: ...3 FUEL SYSTEM AND CARBURETION ...
Страница 128: ...4 54727 POWERHEAD ...
Страница 179: ...A 5 54738 MID SECTION CLAMP SWIVEL BRACKET AND DRIVE SHAFT HOUSING ...
Страница 188: ...B 5 50158 MID SECTION POWER TRIM DESIGN 1 ...
Страница 193: ...51638 5B 4 MID SECTION 90 814676R1 DECEMBER 1996 Power Trim Flow Diagrams Design 1 ...
Страница 194: ...51637 90 814676R1 DECEMBER 1996 MID SECTION 5B 5 Design 1 ...
Страница 195: ...51639 5B 6 MID SECTION 90 814676R1 DECEMBER 1996 Design 1 ...
Страница 196: ...51640 90 814676R1 DECEMBER 1996 MID SECTION 5B 7 Design 1 ...
Страница 197: ...51641 5B 8 MID SECTION 90 814676R1 DECEMBER 1996 Design 1 ...
Страница 198: ...51642 90 814676R1 DECEMBER 1996 MID SECTION 5B 9 Design 1 ...
Страница 199: ...51643 5B 10 MID SECTION 90 814676R1 DECEMBER 1996 Design 1 ...
Страница 228: ...C 5 50158 MID SECTION POWER TRIM DESIGN II ...
Страница 233: ...51644 5C 4 MID SECTION 90 814676R1 DECEMBER 1996 Power Trim Flow Diagrams Design II ...
Страница 234: ...51645 90 814676R1 DECEMBER 1996 MID SECTION 5C 5 Design II ...
Страница 235: ...51646 5C 6 MID SECTION 90 814676R1 DECEMBER 1996 Design II ...
Страница 236: ...51647 90 814676R1 DECEMBER 1996 MID SECTION 5C 7 Design II ...
Страница 237: ...51648 5C 8 MID SECTION 90 814676R1 DECEMBER 1996 Design II ...
Страница 238: ...51649 90 814676R1 DECEMBER 1996 MID SECTION 5C 9 Design II ...
Страница 239: ...51650 5C 10 MID SECTION 90 814676R1 DECEMBER 1996 Design II ...
Страница 268: ...D 5 51486 MID SECTION POWER TRIM DESIGN 3 ...
Страница 298: ...E 5 55331 MID SECTION POWER TRIM DESIGN 4 ...
Страница 345: ...F 5 MID SECTION MANUAL TILT SYSTEM DESIGN I II III ...
Страница 349: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 3 Manual Tilt Flow Diagrams Design 1 51651 ...
Страница 350: ...5F 4 MID SECTION 90 814676R1 DECEMBER 1996 Design 1 51652 ...
Страница 351: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 5 Design 1 51653 ...
Страница 352: ...5F 6 MID SECTION 90 814676R1 DECEMBER 1996 Design 1 51654 ...
Страница 353: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 7 Design 1 51655 ...
Страница 354: ...5F 8 MID SECTION 90 814676R1 DECEMBER 1996 Manual Tilt Flow Diagrams Design 2 51656 ...
Страница 355: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 9 Design 2 51657 ...
Страница 356: ...5F 10 MID SECTION 90 814676R1 DECEMBER 1996 Design 2 51658 ...
Страница 357: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 11 Design 2 51659 ...
Страница 358: ...5F 12 MID SECTION 90 814676R1 DECEMBER 1996 Design 2 51660 ...
Страница 359: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 13 Manual Tilt Flow Diagrams Design 3 51661 ...
Страница 360: ...5F 14 MID SECTION 90 814676R1 DECEMBER 1996 Design 3 51662 ...
Страница 361: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 15 Design 3 51663 ...
Страница 362: ...5F 16 MID SECTION 90 814676R1 DECEMBER 1996 Design 3 51664 ...
Страница 363: ...90 814676R1 DECEMBER 1996 MID SECTION 5F 17 Design 3 51665 ...
Страница 383: ...G 5 MID SECTION MANUAL TILT SYSTEM DESIGN 4 ...
Страница 420: ...A 6 50508 LOWER UNIT GEAR HOUSING ...
Страница 450: ...JET DRIVE LOWER UNIT B 6 ...
Страница 452: ...LOWER UNIT 6B 1 90 814676R1 DECEMBER 1996 Notes ...
Страница 471: ...7 A 50331 OUTBOARD MOTOR INSTALLATION ATTACHMENTS OUTBOARD MOTOR INSTALLATION ATTACHMENTS ...
Страница 496: ...B 7 50505 OUTBOARD MOTOR INSTALLATION ATTACHMENTS TILLER HANDLE AND CO PILOT ...
Страница 510: ...C 7 54845 OUTBOARD MOTOR INSTALLATION ATTACHMENTS REWIND STARTER ...
Страница 520: ...8 50444 OIL INJECTION SYSTEM ...
Страница 523: ...50444 8 2 OIL INJECTION SYSTEM 90 814676R1 DECEMBER 1996 Oil Injection Flow System ...
Страница 524: ...Pump Drive System 50448 50448 50448 90 814676R1 DECEMBER 1996 OIL INJECTION SYSTEM 8 3 Pump Drive Assembly ...