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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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K9 Electrical: Was the stock electrical good to go by 07 or still should be rewired?
No H2O
Sep 28, 2018
Replies
10
Views
925
Sep 30, 2018
SKOGDOG
New EHC
Dog 10
Jun 17, 2018
Replies
6
Views
2K
Sep 29, 2018
DracLopez
How to tell the difference between the K9 and the Chopper and why are the (used) K9s priced higher?
No H2O
Sep 21, 2018
Replies
15
Views
4K
Sep 24, 2018
EMILIO
turn signal voltage
shansel88
Sep 22, 2018
Replies
1
Views
693
Sep 24, 2018
Sven
S
Rubber in the rim
Kiwirider
Aug 12, 2018
2
Replies
34
Views
5K
Sep 23, 2018
PAUL NOBBS
EFM Autoclutch
Milco
Nov 27, 2011
13
14
15
Replies
286
Views
33K
Sep 23, 2018
pknowles
7
Adjustable Ignition
72fl
Sep 21, 2018
Replies
5
Views
992
Sep 22, 2018
HMAN
EHC RIP KIT for 2004 Ridgeback
rickd62
Sep 12, 2018
Replies
12
Views
2K
Sep 21, 2018
bdm7250
New back tire
RCAdd1ct
Apr 25, 2018
Replies
19
Views
2K
Sep 19, 2018
awg
Just test rode a 2006 K-9, seeking pre-purchase advice on some items
No H2O
May 3, 2018
2
Replies
35
Views
3K
Sep 18, 2018
mittens
E
02 Pro Sport wont start....
Ernie12
Sep 14, 2018
Replies
4
Views
846
Sep 14, 2018
Ernie12
E
E
Anybody use this gas cap?
Ernie12
Sep 13, 2018
Replies
6
Views
916
Sep 14, 2018
FrankBDPS
Total loss of power, followed by a loud pop, and she rockets back into action?
No H2O
Sep 7, 2018
2
Replies
21
Views
3K
Sep 11, 2018
Reddickracing
2007 Pitbull wiring.
Phuckstyk
Sep 7, 2018
Replies
3
Views
934
Sep 7, 2018
PacoPetty
Engine Rattle (slash vibration)
Mallito
Apr 18, 2018
2
Replies
29
Views
4K
Sep 5, 2018
Mallito
Hard to manually push when off in neutral
No H2O
Aug 17, 2018
Replies
12
Views
1K
Sep 4, 2018
Reddickracing
Erratic behavior in right rear turn signal/running light
No H2O
Aug 1, 2018
2
Replies
24
Views
3K
Sep 4, 2018
No H2O
E
Hooking up my new lights?
Ernie12
Aug 30, 2018
Replies
4
Views
749
Aug 30, 2018
Ernie12
E
9
Primary side heavy
97 Bagger
Aug 20, 2018
2
Replies
25
Views
2K
Aug 27, 2018
pknowles
2007 K9 won't start. Need some places to look for the problem
steve kaplan
Jun 27, 2018
Replies
18
Views
2K
Aug 22, 2018
BWG56
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