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Big Dog Motorcycles
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Technical
Technical related discussions.
How-To
Member submitted articles on How-To work on your Big Dog.
Threads
972
Messages
12.1K
Sub-forums
Sub-forums
Handlebars
Primary
Clutch
Starter
Wheels
Engine
Frame & Chassis
Brakes
Charging System
Forks
Carburetor
Electrical
Threads
972
Messages
12.1K
Speedo issue
Saturday at 11:58 PM
Fat-tire Mayhem
EFI Topics
Electronic Fuel Injection issues
Threads
170
Messages
2.3K
Threads
170
Messages
2.3K
Rear cylinder switches off when hot.
May 25, 2026
SKOGDOG
Technical Bulletins and Recalls
Threads
122
Messages
1.3K
Threads
122
Messages
1.3K
2008 fuel pump
Jul 7, 2026
Jwooky
New Owner Necessities
What new owners need to keep their Dog's running strong!
Threads
28
Messages
568
Threads
28
Messages
568
2003 Mastiff service manual PDF
Jun 8, 2026
HMAN
Help Wanted
No, not a job offer, if you're having trouble, ask for help here!
Threads
3.1K
Messages
36.2K
Threads
3.1K
Messages
36.2K
Short battery cable
Monday at 10:27 PM
La Rana
Fluids!!
Threads
180
Messages
2.5K
Threads
180
Messages
2.5K
Primary problems.
Jun 8, 2026
PapaStein
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C
O3 big dog chopper when riding just shuts down still has all power let it set for a few mins starts back up help
Chaney
Aug 10, 2019
Replies
11
Views
1K
Mar 31, 2020
Sven
S
...
Dispatch
Mar 30, 2020
Replies
7
Views
1K
Mar 31, 2020
No H2O
Oil from vent hose
SimpleMan_Omen
Mar 28, 2020
Replies
8
Views
3K
Mar 29, 2020
john sachs
DEAD COYOTE
coyote 09
Feb 13, 2014
2
Replies
35
Views
4K
Mar 28, 2020
coyote 09
W
Front tire removal...
Willseay
Mar 21, 2020
Replies
8
Views
2K
Mar 24, 2020
Jwooky
Correct Grip Clocking
roadie1389
Mar 18, 2020
Replies
4
Views
834
Mar 18, 2020
Th3InfamousI
Compression Release location
A DevilDog
Mar 4, 2020
2
Replies
39
Views
5K
Mar 13, 2020
john sachs
LED Headlight
BADOG
Mar 7, 2020
Replies
16
Views
4K
Mar 13, 2020
Dog73
Paint Saver Ring Removal
Radams1945
Aug 10, 2018
2
Replies
20
Views
4K
Mar 11, 2020
PROFLYER
What is this vent for?
shards
Feb 21, 2020
Replies
10
Views
2K
Mar 9, 2020
shards
S
2002 big dog mastiff wiring diagram
Shanewinstead
Mar 5, 2020
Replies
2
Views
769
Mar 6, 2020
Shanewinstead
S
04 Ridgeback w/3,400 miles on it. It wouldn't start a few months ago (no spark)
Ezbiker
Mar 1, 2020
Replies
8
Views
2K
Mar 3, 2020
knothead
Front tire leak
Brent Herridge
Nov 6, 2019
2
3
4
Replies
63
Views
5K
Feb 29, 2020
Brent Herridge
Red oil light came on. How many miles do I have or don't ride at all until top off?
No H2O
Feb 25, 2020
2
Replies
21
Views
3K
Feb 26, 2020
SEAL-rider
J
Tachometer Choices??????
johny125
Sep 17, 2014
Replies
14
Views
2K
Feb 26, 2020
No H2O
Battery rubber strap awailability
2003BDChopper
Feb 23, 2020
Replies
10
Views
894
Feb 25, 2020
DynoDave
Stutter attempting go over 3k rpm and tachometer all over the place (may be related?)
No H2O
Dec 12, 2019
2
3
Replies
57
Views
6K
Feb 21, 2020
No H2O
Tag (2003 wiring)
2003BDChopper
Feb 18, 2020
Replies
9
Views
989
Feb 21, 2020
KaptinAmerika
Speedo Problems
rebroker7
Nov 25, 2014
2
Replies
32
Views
15K
Feb 18, 2020
Pollux81
T
Speedometer stuck milage blank
Tut0374
Feb 16, 2020
Replies
3
Views
925
Feb 17, 2020
Tut0374
T
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