| SB# |
Service Bulletin |
Date |

10 |
Service Bulletin #10: Sea Water Pump
- W40, WPDS10-15
|

09/17/76
|

49 |
Service Bulletin #49: Bleeding Procedure
- Four-107
|

11/27/79
|

101 |
Service Bulletin #101: Sea Water Pump
- Pilot 10 and Pilot 20
|

01/22/80
|

102 |
Service Bulletin #102: Air Filter Element
- 4-91 Early
|

01/22/80
|

103 |
Service Bulletin #103: Tach Drive Cover Plate
- Four-91 & W-30 (Early)
|

01/22/80
|

104 |
Service Bulletin #104: S.W. Pump Pulley Set Screw
- Westerbeke 30 & 50
|

01/22/80
|

105 |
Service Bulletin #105: Cylinder Head Nut Torque
- DS5, DS7, W-7, WPD3, WPD4
|

02/08/80
|

106 |
Service Bulletin #106: Sea Water Pump Weep Hole
- DS5, DS7, W-7
|

02/08/80
|

107 |
Service Bulletin #107: Thermostats
- All Models
|

05/01/80
|

114 |
Service Bulletin #114: Water Heater Installation
- All Marine Engines
|

05/06/82
|

115 |
Service Bulletin #115: Separate Stop Lever
- W-13 & W-33
|

10/19/82
|

121 |
Service Bulletin #121: Shift Cover Sealing
- All Marine Propulsion Engines
|

03/18/83
|

122 |
Service Bulletin #122: Cicuit Breaker #24762
- All Generator Sets
|

04/12/83
|

125 |
Service Bulletin #125: Oil Pressure Switches
- All Models
|

08/14/83
|

127 |
Service Bulletin #127: Fuel Solenoid Adjustment
- 3 to 12.5 (WMD)
|

06/19/85
|

132 |
Service Bulletin #132: Manufacturing Date Code
- All Models
|

11/08/83
|

136 |
Service Bulletin #136: Shift Lever
- All HBW Transmissions
|

02/09/84
|

148 |
Service Bulletin #148: Tachometer
- All Propulsion Engines
|

01/23/85
|

150 |
Service Bulletin #150: Sea Water Pump
- W-46
|

03/27/85
|

153 |
Service Bulletin #153: Fuel Pick-Up Screens
- All Models
|

04/13/85
|

155 |
Service Bulletin #155: Keyswitch
- All Propulsion Engines
|

06/21/85
|

162 |
Service Bulletin #162: Exhaust Elbows
- All Models
|

02/28/86
|

175 |
Service Bulletin #175: Fuel Solenoid Wiring
- All Diesel Gen. To 12.5KW
|

08/14/89
|

184 |
Service Bulletin #184: Operator's Manual Pub #37435
- 38B Four & 42B Four
|

05/30/90
|

188 |
Service Bulletin #188: Cylinder Head Bolt Torque
- W12B-Two
|

08/31/90
|

195 |
Service Bulletin #195: Model 5425 and 5432
- Universal M25, M25XP, M30
|

08/05/91
|

206 |
Service Bulletin #206: R.P.M. Ranges
- Universal Propulsion
|

11/13/92
|

213 |
Service Bulletin #213: No Starter Motor Activation
- Universal Propulsion (non
|

04/13/94
|

223 |
Service Bulletin #223: Cylinder Head Gasket PN# 263776
- Atomic Four Gas Propulsion Engine
|

05/15/96
|

227 |
Service Bulletin #227: 180 Degree Thermostat Kit PN# 200468
- Atomic Four Gasoline Propulsion Engine
|

10/27/03
|

235 |
Service Bulletin #235: Cam Shaft Drive Tang Reinforcing Sleeve
- Universal M25XPB, M25XPBC, M35B, M35BC
|

10/27/03
|

236 |
Service Bulletin #236: Universal Propulsion R.P.M. Ranges
- Universal Diesel Propulsion Models
|

10/27/03
|

239 |
Service Bulletin #239: Transmission Lubricant Change
- All PRM80 and PRM 120 Transmissions
|

10/27/03
|

240 |
Service Bulletin #240: Water Heater Connection
- Westerbeke 71C/Four and 82B/Four
|

09/09/04
|

242 |
Service Bulletin #242: Manufacture Date Code
- All Models
|

08/20/04
|

246 |
Service Bulletin #246: "On" Toggle Switch
|

03/16/07
|

247 |
Service Bulletin #247: Fuel Filter Bracket #300103
- Universal M25XPB, M25XPBC, M358, M35BC, M40B
|

01/01/06
|

248 |
Service Bulletin #248: Flame Arrestor Maintenance
- All 4 Cylinder Safe-CO Models
|

08/17/06
|

249 |
Service Bulletin #249: Flushing Cooling System
- 3.0 BPMG Raw Water Cooled
|

04/11/06
|

250 |
Service Bulletin #250: BT Generators
- All BT Generator Backends
|

04/28/06
|

251 |
Service Bulletin #251: E10 Ethanol Advisory
- All Gasoline Gensets
|

10/23/06
|

20071 |
Service Advisory #2007-1: Carburetor Contamination
- All Carbureted Gasoline Engines and Generators
|

04/26/07
|