Yanmar manuals and other publications
scroll down to see manuals
Message me via Live Chat if don't find what you are looking for, or have old manuals to share to help other sailors.
If these downloads are useful please make a donation to cover web-hosting costs and future development including manuals in additional languages.
Thanks,
Dennison
3 simple steps to make your diesel system reliable and robust
STEP ONE - Get the manuals for your equipment
Owner, Workshop and Parts Manuals are important documents that should be part of every vessel's library. They contain the detailed information necessary for safe operation, maintenance and correct servicing.
The manuals on this page are provided for public information and education and can be downloaded for free. All copyrights belong to copyright holders stated in the documents.
congratulations - by downloading these free manuals you are taking an important step towards making your engine more reliable and robust.
STEP TWO - regular maintenance
Simple, regular maintenance is the easiest, quickest and cheapest way to avoid problems and accelerated engine wear. Most expensive repairs start from a lack of basic maintenance or ignoring small warnings. The work is not difficult - it just needs to be done.
The purpose is so that we can enjoy our boat for all the reasons we bought her. Trust yourself. Do the work regularly and be methodical.
Download free checklists here
if you need clear, easy-to-understand help
300+ drawings
Seeing is Understanding
Marine Diesel Basics 1
Maintain, Winterize and Recommission
• explains all parts of the marine diesel system - fuel,
lubrication, breathing, electrics, stern gland, propeller etc.
• 140+ tasks, 300+ drawings, 222 pages
• tasks are fully explained with clear drawings and minimal text
• all tools & supplies needed are illustrated for each task
• paperback US$17.99 £10.99 €12.99
• ebook (kindle, kobo, ibooks, google, epub) US$9.99
STEP THREE - keep a Maintenance Logbook
Keep a detailed and accurate record:
- all the work done on your diesel system - what, when & by who
- inventory of serial numbers, component descriptions
- early warning of potential problems
- time and details of any changes in performance
Use the value-added MDB Maintenance Logbooks (for single or twin engine installations), a notebook or the MDB Maintenance eLogbook on your iPad, tablet or desktop and record the information in an editable PDF directly as you work.
These logbooks are specially designed for single- and twin-engine installations on pleasure boats and small craft - sailboats, motorboats, canal boats and small workboats.
- 288 pages and 208 pages, including 144 pages for logbook entries
- over 50 clear drawings showing what to look for when inspecting components, etc.
- checklists for all parts of the marine diesel system
- detailed inventory list - so you never lose the serial number or model name of a part in the system again
- summaries - so you always have important information to hand, such as tyre changes, oil changes, etc.
- measurements - easy-to-use tables for weight, volume, oil pressure, etc.
- side tabs to easily find each section
- port and starboard side-by-side inventory and checklists
- available in paperback and hardcover
click to enlarge
Maintenance eLogbook
If you've every struggled to keep a logbook, this editable eLogbook may be exactly the help you need.
- "fillable form" PDF
- clickable checklists
- write, edit details of all tasks completed
- 40+ drawings to help inspections
- all common measurements with live calculators
- just $7.99 196 pages
"the Perfect Logbook" - verified purchaser
Yanmar Bulletins
Engine Model Names Guide
1 page
publ. - no date given
< 1 MB file
Service Bulletins
Prevention of Incorrect Warranty Procedure
Bleeding the Fuel System
Coolant Additives
Winterizing Fresh Water Cooled Diesel Engines
Winterizing Raw Water Cooled Diesel Engines
Yanmar Stop Cables
Yanmar Diesel Seminars
Yanmar Distributors
Yanmar Marine Engines On Board Spare Parts Kits
10 pages
publ. - no date given
< 1 MB file
Technical Bulletin "Yanmar Sailboat engine control lever position during sailing under sail with engine stopped"
2 pages
publ. October 2011
< 1MB file
Service Bulletin from Balmar
AT-Series Alternator Cooling on Late-Model Yanmar Engines
2 pages
publ. February 2018
< 1 MB file
Operation Manual
BY Series
4BY
6BY
126 pages
publ. March 2006
6 MB file
Service Manual
4BY-150
4BY-180
6BY-220
6BY-260
233 pages
publ. 2007
20MB file
Operation Manual
4BY3-150 4BY3-150Z
4BY3-180 4BY3-180Z
6BY3-220 6BY3-220Z
6BY3-260 6BY3-260Z
96 pages
publ. January 2013
17 MB file
Operation Manual
4CHL-N
4CHL-TH
6CHL-N
6CHL-TN
6CHL-HTN
33 pages
publ. April 2009
1.8 MB file
Operation Manual
6CH-WDTE
6CH-WUTE
170 pages
3 MB file
Operation Manual
6CX530 Operation Manual
120 pages
publ. September 2009
6 MB file
Shop Manual
1, 2, 3 cylinder
GM model engines
240 pages
publ. - no date given
33 MB file
Operation Manual
GM Series
263 pages
publ. - no date given
lang.: English, French, German, Italian, Spanish, Swedish
13 MB file
Maintenance Guide
GM Series
publication date unknown
245 kB
Operation Manual
1GM
2GM
3GMD
3HM
56 pages
1 MB file
Service Manual
1GM (10L)
2GM (F), (L)
3GM (D), (F), (L)
3HM (F), (L)
53 pages
< 1MB file
Service Manual
1GM10 (C)
2GM20 (F) (C)
3GM30 (F) (C)
3HM35 (F) (C)
463 pages
publ. 1991
35 MB file
Installation Drawings
1GM10X marine engine & Kanzaki KM2P-1 gearbox
1 page
publ. April 2005
< 1 MB file
Operation Manual
2GM20 (F), (V), (C)
3GM30 (F), (V), (C)
65 pages
publ. - no date given
7 MB
Gear Parts Drawing
SM/2QM15
1 page
publ. - no date given
< 1 MB file
Operator's Manual
JH series
3JH3(B)E
3JH3(C)E
4JH3(B)E
4JH3(C)E
47 pages
4MB file
Operation Manual
3JH5E
4JH5E
4JH4-TE
4JH4-HTE1
4JH4-HTE
168 pages
English + 11 other languages
publ. Aug 2009
2nd ed. Dec 2011
11 MB file
Brochure
3JH4E
2 pages
publ. - no date given
< 1 MB file
Service Manual
3JH4E 4JH4E
3JH4BE 4JH4FE
3JH4CE 4JH4BE
3JH4ME 4JH4CE
. 4JH4ME
226 pages
publ. - no date given
18 MB file
Datasheet
3JH5E
2 pages
publ. - no date given
lang. - English only
< 1 MB
Datasheet
4JH Series
2 pages
publ. - no date given
< 1 MB file
Parts Catalog
4JH2E
4JH2-TE
4JH2-THE
4JH2-DTE
4JH2-UTE (B)
110 pages
5MB file
Operation Manual
JH4 series
3JH4E
4JH4 AE
4JHL-TE
4JHL-HTE
publ. 2006
18.7 MB file
Operation Manual
4JH3-TE
4JH3-TCE
4JH3-HTE
4JH3-DTE
65 pages
publ. 1998
5 MB file
Service Manual
4JH3 series
4JH3 - TE
4JH3 - HTE
4JH3 - DTE
publ. April 1998
2.6 MB file
Technical Sheet
4JH4-TE Series
2 pages
publ. - no date given
< 1 MB file
Service Manual
3JH5E
4JH5E
4JH4-TE
4JH4-HTE
380 pages
publ. September 2009
30 MB file
Operation Manual
3JH40
4JH45
4JH57
4JH80
4JH110
198 pages
publ. - no date given
< 1 MB file
Service Manual
4JH45
4JH57
4JH80
4JH110
312 pages
publ. - no date given
21 MB file
Service Manual
4JHE
4JH-TE
4JH-HTE
4JH-DTE
317 pages
publ. - no date given
47 MB file
Drawing
4JH4HTE with KM4A2 Kanzaki transmission
1 page
publ. July 2006
< 1 MB file
Parts Catalogue
4LHA-STE
107 pages
publ. September 2014
4 MB file
Parts Catalogue
Water-Cooled Diesel Engines
5-155 kW
29 pages
publ. - no date given
7 MB file
Information Sheet
6EY17W
1 page
publ. - no date given
< 1 MB file
Operation Manual
6EY17W
180 pages
publ. March 2013
6 MB file
Project Guide
6EY18LW
6EY18ALW
240 pages
publ. November 2011
28 MB file
Service Manual
KM3P KBW20
KM3A KBW21
KM4A KMH4A
149 pages
publ. November 1998
12 MB file
Service Manual L-A Series
L40AE L48AE
L60AE L70AE
L75AE L90AE
L100AE
130 pages
publ. - no date given
13 MB file
Brochure & Technical Information
L Series
L-N L-V L-W
8 pages
publ. - no date given
14 MB file
Operation Manual
6LPA-STP2
6LPA-STZP2
106 pages
publ. January 2012
14 MB file
Parts Catalog
L40AE L48AE
L60AE L70AE
L75AE L90AE
L100AE
126 pages
publ. 1980
12 MB file
Service Manual
6LP-DTE
6LP-DTZE
6LP-DTZE1
6LPA-DTP
6LPA-DTZP
6LP-STE
6LP-STZE
6LP-STZE1
6LPA-STP
6LPA-STZP
246 pages
publ. July 1998
20 MB file
Operation Manual
6LY2-STE
55 pages
publ. - no date given
3 MB file
Service Manual
6LY2-STE
6LY2A-STP
6LYA-STP
233 pages
publ. June 2001
15 MB file
Operation Manual
6LY3-ETP
6LY3-STP
6LY3-UTP
90 pages
publ. 2008
5 MB file
Service Manual
6LY3-ETP
6LY3-STP
6LY3-UTP
397 pages
publ. June 2007
21 MB file
Drawing
8LV 320Z-ZT370
1 page
publ. - no date given
< MB file
Operation Manual
6LYA-UTE
6LYA-STE
48 pages
publ. - no date given
2 MB file
Service Manual
6LYA-UTE
6LYA-STE
214 pages
publ. - no date given
15 MB file
Parts Catalog
L-48EE-D L-48EE-DE
L-48EE-DG L-48EE-DEG
L-48EE-DP L-48EE-DEP
114 pages
publ. August 2000
12 MB file
Operation Manual
L48N
L70N
L100N
104 pages
publ. - no date given
7 MB file
Operation Manual
L48V
L70V
L100V
112 pages
publ. 2005
4 MB file
Service Manual
L48V
L70V
L100V
248 pages
publ. February 2007
25 MB file
Parts Manual
L100
21 pages
publ. July 2008
3 MB file
Service Manual
MP Series Injection Pumps
(used on TNV direct injection engines)
104 pages
publ. 2007
6 MB file
Service Manual
2QM20(H)
3QM30(H)
349 pages
publ. - no date given
19 MB file
Brochure with performance curves
2TE
3TE
4 pages
publ. - no date given
7 MB
Parts Drawing
Model 2T90
35 pages
publ. - no date given
< 1 MB
TNE Series
4TNE92-NMH
4THE92-NMHA
4TNE98-NMH
280 pages
publ. 2005
21 MB file
TNV Series
Troubleshooting Manual
3TNV80FT 4TNV84T
3TNV80F 4TNV88
3TNV84T 4TNV94L
3TNV88 4TNV98
4TNV98T
231 pages
publ. April 2023
4 MB file
Engine Parts Manual
3TNV88-BKMS
4TNV88-BKMS
4TNV88-BDMS
47 pages
publ. 2008
< 1 MB file
Operation Manual
2YM15
3YM20
3YM30
56 pages
publ. 2004
15 MB file
Service Manual
2YM15
3YM20
3YM30 (+ other models in 3YM series)
231 pages
publ. - 2005
16 MB file
Installation Drawings
2YM15 engine & Kanzaki KM2P-1 gearbox
1 page
publ. November 2012
< 1 MB file
Service Manual
YSE 8
YSE 12
157 pages
publ. July 1972
7MB file
Yanmar Saildrives
Information Guide
Saildrive Series
2 pages
publ. May 2002
< 1 MB file
Service Advisory
Saildrive Corrosion
Advisory MSA2010-007
4 pages
publ. April 2010
< 1 MB file
Installation and Operation
SD 20
SD 31
50 pages
publ. September 1997
4 MB file
Operation Manual
SD25
44 pages
publ. June 2014
< 1 MB file
Operation Manual
SD20
SD50
SD50-4T
78 pages
publ. 2007
3 MB file
Operation Manual
SD20
SD30
SD31
87 pages
publ - no date given
20 MB file
Operation Manual
SD20
SD50
SD50-4T
33 pages
publ. 2004
< 1 MB file
Service Manual
SD40
SD40-4T
SD50
SD50-4T
69 pages
publ. March 2005
3 MB file
Sterndrives
Operation Manual
ZT370
58 pages
publ. March 2013
1 MB file
CANplus 600
Operation and Troubleshooting
40 pages
publ. May 2008
9 MB file