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Yamaha 40, 50 hp Gearcase Exploded View

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Sierra
Yamaha 40, 50 hp Gearcase Exploded View
Yamaha Gearcase Exploded View Diagram and Parts
Fits 40 &50 HP (1984-1991)
Figure #DescriptionO.E.M. #Sierra #Qty.
1Bolt, Water Pump Housing97575-08675-00 2
2Washer, Water Pump Housing92990-08600-00 4
3Housing, Wapter Pump663-44311-02-00 1
4Insert, Water Pump663-44322-00-00 18-3435 11
5Impeller6H4-44352-02-00 18-3068 11
6Gasket, Wear Plate to Water Pump663-44315-A0-00 18-0292 221
7Wear Plate, Water Pump663-44323-00-00 1
8Gasket, Wear Plate to Water Pump663-44324-A0-00 18-0294 221
9Base, Water Pump663-44341-0094 1
10Gasket, Pump Base663-44316-A0-00 1
11O-Ring, Pump Base93210-41042-00 18-0298 21
12Oil Seal, Pump Base93101-23070-00 18-0297 22
13 Bolt, Water Pump Housing97395-08045-00 18-0256 22
14Water Pump Repair Kit6H4-W0078-00-00 18-34291
15Water Seal663-44366-00-00 1
16Drive Shaft (short)6H4-45501-00-00 1
16Drive Shaft (long)6H4-45501-10-00 1
17Bearing, Tapered Roller93332-00079-00 1
18Shim (0.5mm)663-45587-00-05 A R
18Shim (0.8mm)663-45587-00-08 A R
18Shim (0.12mm)663-45587-01-12 A R
18Shim (0.30mm)663-45587-01-30 A R
18Shim (0.50mm)663-45587-01-50 A R
19Sleeve, Drive Shaft6H4-45536-00-0 1
20Bearing, Needle93315-32224-00 1
21Bearing (not used 1988 & later)663-45552-00-00 1
23Nut, Pinion Gear90170-12138-00 1
24Key, Woodruff90280-03024-00 18-3305 21
25Gearcase Sea Kit6H4-W0001-20-00 18-27921
26Bolt Plate97095-06016-00 1
27Washer, Plate92990-06600-00 1
28Plate6H4-45321-01-00 1
29O-Ring, Plate 93210-49046-00 1
30Shift Cam Assembly (short shaft)6H4-44150-12-00 1
31O-Ring, Plate93210-66M98-00 18-3305 21
32Shift Cam Assembly (long shaft)90340-08M04-00 2
33Plug, Vent93606-12019-00 2
34Pin, Dowel90430-08020-00 3
35Nut, Nylock90185-05904-00 1
36Cover, Water Inlet (stbd)688-45215-02-00 92990-10100-00 1
37Washer, Locking92990-10100-00 4
38Bolt97078-10040-00 4
39Bearing, Ball93306-00702-00 1
40Plug, Drain688-45341-00-00 1
41Propellervarious 1
42Bolt, Trim Tab97575-08675-00 1
43Casing, Lower6H4-45301-01-EK 1
44Washer, Locking92990-08100 1
45Bolt, Lower Casing97095-08085-00 1
46Tab, Trim664-45371-01-00 1
47Seal, Rubber688-45375-00-00 1
48Guide, Seal Rubber663-45376-00-94 1
49Screw Ovalhead98780-05535-00 1
50Cover, Water Inlet (port)668-45214-02-00 1
51Shim Forward Gear (0.5mm)6H4-45567-00-05 1
51Shim Forward Gear (0.8mm)6H45567-00-08 AR
51Shim Forward Gear (0.12mm)6H4-45567-01-12 AR
51Shim Forward Gear (0.50mm)6H4-45567-01-50 AR
52Bearing, Tapered Roller93332-000V4-00 1
53Gear, Forward6H4-4556-00-00 1
54Pin, Cross (clutch dog)90250-06023-00 1
55Clutch, Sliding663-45631-01-00 1
56Retainer Ring, Cross Pin663-45633-00-00 1
57Plunger, Shift676-45635-00-00 1
58Slide, Shift663-45634-00-00 1
59Spring, Compression60501-16M01-00 1
60Shaft, Propeller679-45611-01-00 1
61Washer, Plate90201-22429-00 1
62Gear, Reverse6H4-45571-00-00 1
63Shim Reverse Gear (0.5mm)663-45577-00-05 AR
63Shim Reverse Gear (0.8mm)663-45577-00-08 AR
63Shim Reverse Gear (0.12mm)663-45577-01-12 AR
63Shim Reverse Gear (0.50mm)663-45577-01-50 AR
64Washer, Thrust663-45576-00-00 1
65Pin, Cotter91490-30030-00 18-23801
66Nut, Castle90171-16011-00 1
67Washer92990-16200-00 1
68Spacer, Prop Mounting (aft)670-45997-02-00 1
69Spacer, Prop Mounting (fore)663-45987-02-00 1
70Nut, Cover697-45384-00-00 1
71Washer, Tab90214-48M03-00 1
72Oil Seal, Bearing Housing93101-22067-00 18-0296 22
73Bearing, Needle93317-22204-00 1
74Key, Bearing Housing90282-04010-00 1
75Housing, Bearing679-45331-0094 1
1Contents of Water Pump Repair Kit 18-3429
2Contents of Gear Housing Seal Kit 18-2792
ARAs required
Average Customer Review for Water Pump Repair Kit - 18-3429 - Sierra
Full StarFull StarFull StarFull StarHalf Star Based On 7 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarOverall Great Store
by Rocky from Leroy, Michigan on August 08, 2014
I'm totally satisfied with this site. Easy to find the parts, I needed, great price and very fast shipping. Will defiantly use this site in the future.
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Starrunning cool
by Michael from Augusta, Missouri on May 10, 2013
perfect, running cool. didnt realize how bad my old was till i saw this one work
(2 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarWater pump
by Derek from Napoleonville, Louisiana on May 05, 2013
Everything I needed in the kit at a great price. Thanks.
(2 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Starnice product
by Dwayne from Mastic Beach, New York on April 24, 2012
glad it came with lower gasket most kits dont
(3 of 3 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Starwater pump replacement
by Donny from Pasadena, Texas on November 04, 2011
Hey Guys Thanks for the water pump replacement kit, everything came out great and my motor works better than when I bought it. The motor has not been opened since 1985, that's about 26 years, full power has been restored captain! :) Thanks again guys!
(2 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Starproduct and service
by Gary from Weatherford, Texas on June 13, 2011
Parts I ordered were a match and the delivery was prompt. I am a satisfied customer and will be a return customer. Gary
(7 of 7 people found this review helpful)
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Full StarFull StarEmpty StarEmpty StarEmpty StarWater Pump
by Chris from Fenton, Missouri on June 02, 2010
This kit, for the 40HP Yamaha 1986 has all the right gaskets, cup, impeller, etc., however, the bolts that were sent to me were all too short. I had to use the old bolts. Be warned.
(6 of 6 people found this review helpful)
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Average Customer Review for Yamaha Impeller 30-50Hp - 18-3068 - Sierra
Full StarFull StarFull StarFull StarFull Star Based On 2 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarYamaha Impeller
by Mark from Hudson, Iowa on July 16, 2012
Mechanic said it would take an hour and a halp to install, but it was done in less than an hour with no problems. It fit just perfectly and you can't put it on wrong.
(1 of 1 people found this review helpful)
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Full StarFull StarFull StarFull StarFull StarPERFECT PARTS EVERY TIME.
by ROY from Marietta, New York on June 15, 2012
I WAS ABLE TO SEARCH AND FIND THE PARTS I NEEDED FOR MY MOTOR EASILY. SHIPPING IS SUPER FAST. PART WAS A FERFECT FIT AND WORKS AS IT SHOULD.
(1 of 1 people found this review helpful)
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Standard Shipping Policies
Your Price: $9.89
Part # 18-3435 ValueShip™ Eligible
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Replaces OEM part #
  • YAMAHA 663-44322-00-00
Your Price: $3.99
Part # 18-0256 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces OEM part #
  • YAMAHA 97095-08045-00
Bolt Dimensions: 8-1.25 x 45mm

Your Price: $24.79
Save: $10.60
(29% Off $35.39)
Part # 18-3429 ValueShip™ Eligible
Replaces OEM part #
  • YAMAHA 6H4-W0078-A0-00
  • YAMAHA 6H4-W0078-00-00
Contains:
    (1) 18-0292 Wear Plate to Gear Case Mounting Gasket - replaces O.E. # 688-44315-A0-00
    (1) 18-3435 Insert Cup - replaces O.E. # 663-44322-00-00
    (1) 18-0294 Wear Plate to Pump Base Gasket - replaces O.E. # 663-44324-A0-00
    (1) 18-3068 Impeller - replaces O.E. # 6H4-44352-02-00, 6H4-44352-00-00
    (2) 18-0256 Bolt - replaces O.E. # 97395-08045-00
    (1) 18-3436 Impeller Plate - replaces O.E. # 663-44323-00-00
Your Price: $6.56
Save: $2.43
(27% Off $8.99)
Part # 18-3305 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 28-81912M
  • YAMAHA 90280-03024
  • for Mercury/Mariner models: 6C-D, 8C, 9.9c, 15C
Your Price: $6.99
Save: $0.63
(8% Off $7.62)
Part # 18-0296 ValueShip™ Eligible
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Shaft Size - 0.866"
Outer Diameter - 1.417"
Width - 0.236"

Replaces OEM part #
  • MERCURY MARINE 26-82233M
  • MERCURY MARINE 26-83406M
  • YAMAHA 93101-22067-00
Your Price: $3.92
Part # 18-0292 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces OEM part #
  • MERCURY MARINE 27-81417M
  • YAMAHA 663-44315-A0-00
Your Price: $19.99
Save: $11.70
(36% Off $31.69)
Part # 18-2380-9 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces OEM part #
  • YAMAHA 91490-30030
Package of 10

Cotter Pin for Yamaha Outboard 91490-30030, GLM 22090 22070

Your Price: $7.99
Save: $2.00
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Part # 18-0297 ValueShip™ Eligible
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Shaft Size - 0.906"
Outer Diameter - 1.457"
Width - 0.236"

Replaces OEM part #
  • MERCURY MARINE 26-82234M
  • YAMAHA 93101-23070-00
Your Price: $14.78
Save: $0.60
(3% Off $15.38)
Part # 18-0294-9 ValueShip™ Eligible
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Replaces OEM part #
  • MERCURY MARINE 27-81421M
  • YAMAHA 663-44324-A0-00
  • Pkg. of 2
Your Price: $4.13
Part # 18-0298 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Dimensions ( mm )
I.D. 41.50
Width 3.0

Replaces OEM part #
  • MERCURY MARINE 25-82275M
  • YAMAHA 93210-41042-00
Fall Sale Price: $20.69
Save: $12.92
(38% Off $33.61)
Part # 18-3068 ValueShip™ Eligible
Replaces OEM part #
  • YAMAHA 6H4-44352-00-00
  • YAMAHA 6H4-44352-02-00
For: Yamaha 30, 40, 50 hp.
Your Price: $40.66
Save: $14.07
(25% Off $54.73)
Part # 18-2792 ValueShip™ Eligible
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Replaces OEM part #
  • YAMAHA 6H4-W0001-C0-00
  • YAMAHA 6H4-W0001-21-00
  • YAMAHA 6H4-W0001-20-00
Kit Contains:
    (1) 18-0292 Wear Plate to Pump Housing Gasket - replaces O.E. # 663-44315-A0-00
    (1) 18-0294 Wear Plate to Pump Base Gasket - replaces O.E. # 663-44324-A0-00
    (2) 18-4698 Drain or Fill Washer Gasket - replaces O.E. # YSG-14090-90-8G
    (2) 18-0296 Oil Seal - replaces O.E. # 93101-22067-00
    (2) 18-0297 Oil Seal - replaces O.E. # 93101-23070-00
    (1) 18-0298 O-Ring - replaces O.E. # 93210-41042-00
    (1) 18-0299 O-Ring - replaces O.E. # 93210-66M98-00
    (1) 18-0293 Pump Base to Gearcase Gasket - replaces O.E. # 663-44316-A0-00
 
Fall Sale Price: $4.92
Save: $4.59
(48% Off $9.51)
Part # 9-76413 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Replaces Original Equipment Manufacturer(OEM):Yamaha
Replaces Original Equipment Manufacturer # (OEM #):93101-23070
Fits Application:60-70
Mallory OIL SEAL 9-76411
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(representative image only)
Fall Sale Price: $4.23
Save: $2.76
(39% Off $6.99)
Part # 9-76411 ValueShip™ Eligible
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Replaces Original Equipment Manufacturer(OEM):Yamaha
Replaces Original Equipment Manufacturer # (OEM #):93101-22067
Fits Application:50-60
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