General Information
Preparations For Starting
Before Starting
Starting Engine
Engine Break-in and General Running
Stopping the Engine
Decompression Lever
Instrument Panel
Wiring Diagram
Preparing Engine for Storage
Preparing Engine for Spring Service
Fuel Injection Timing
Diesel Valve Timing
Adjusting Fuel Timing
Decompression Device Adjustment
Fuel System
Fuel Bleeding
Oil Filter Change
Sea Water Pump and Impeller Replacement
Model 15 Sea Water Circulation Diagram
Model 12, 18, 20, 25, 25XP, 30, 40 & 50 Water
Fresh Water Circulation Diagram

Hurth Transmission
Periodic Service Chart for Engine
Marine Engine Warranty - Limited

Engine Specifications and Images
(by engine model)



Marine Diesel Direct, Marine Diesel Engine Parts
M2-12,M3-20, M4-30, M-25XP, M-35, M-30 M-40, M-50, M-12, M-15, M-18, M-20, M-25

Online Owner's Manual

Use the table of content on the left to navigate this online owner's manual.

This information is provided for reference only.  It is always recommended that you deal with authorized Westerbeke sales and service centers for your marine diesel engine needs.  Any of the parts listed in this online parts book can be purchased online at Universal Direct, by email , phone 231-759-8596 or FAX 231-755-1522.  We can ship promptly to your location.

The (hardcopy) book format or this parts manual is Westerbeke / Universal Part number 200142 and can be purchased from Marine Diesel Direct's Universal Direct Online Store.

For more information about this page contact This page and the associated Westerbeke® Marine Diesel Engine Pages, Marine DieselDirect and TOAD Marine SupplySailing Pages are independent dealer pages provided by TOAD Marine Supply as a service to Great Lake Sailors. 

The information contained in these pages are strictly for informational purposes.  It is always advised that you consult with qualified and authorized diesel sales and service centers and official manufacturer publications and service bulletins on issues dealing with the repair, maintenance and operation of your marine engine.

These pages © 2000 TOAD Marine Supply All Rights Reserved. Unauthorized duplication and or publication in hardcopy or digital format is strictly prohibited without prior written consent.

TOAD Marine Supply 3126 Lake Shore Drive, Muskegon, Michigan 49441 is an authorized independent Westerbeke / Universal dealer and service center and is not part of Westerbeke Corporation.