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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
980
Messages
12.1K
Sub-forums
Sub-forums
Handlebars
Primary
Clutch
Starter
Wheels
Engine
Frame & Chassis
Brakes
Charging System
Forks
Carburetor
Electrical
Threads
980
Messages
12.1K
Clutch Lever
Aug 29, 2026
NEOHIOK9
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
Clutch
Thursday at 10:22 PM
Race3119
Fluids!!
Threads
180
Messages
2.5K
Threads
180
Messages
2.5K
Primary problems.
Jun 8, 2026
PapaStein
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Plug VS Patching?
Bulldog03
Feb 8, 2008
2
Replies
39
Views
4K
Feb 10, 2008
Bulldog03
O
2007 K-9 won't start
omahabiker
Oct 29, 2007
2
3
Replies
40
Views
6K
Feb 8, 2008
dogvet
Broken Headlight Bolt
AZ_BigDog
Feb 8, 2008
Replies
1
Views
865
Feb 8, 2008
Raywood
Voltage regulator recall
whatever01
Feb 7, 2008
Replies
4
Views
1K
Feb 8, 2008
05chop
Ethanol Mixed Gasoline.
narow37
Feb 7, 2008
Replies
9
Views
1K
Feb 7, 2008
Gas Man
G
G
rear shock adjustment
Gas Man
Jan 27, 2008
Replies
7
Views
4K
Feb 7, 2008
dogvet
Voltage regulator
lee
Jan 6, 2008
2
Replies
27
Views
5K
Feb 7, 2008
Gas Man
G
Front bearings may be bad
Harpman
Feb 6, 2008
Replies
6
Views
1K
Feb 6, 2008
narow37
Front left turn signal flickering
RABBID1
Jan 31, 2008
2
Replies
22
Views
4K
Feb 5, 2008
RABBID1
Waterproofing wiring
k9nut
Feb 4, 2008
Replies
4
Views
1K
Feb 5, 2008
k9nut
2008 Mastiff - Running Rich...
smartinez1984
Feb 4, 2008
Replies
7
Views
1K
Feb 5, 2008
smartinez1984
Speedo
T.Byrd
Jan 24, 2008
2
Replies
27
Views
3K
Feb 4, 2008
LamboV12
Question
IrishGuy
Feb 1, 2008
Replies
5
Views
1K
Feb 2, 2008
Gas Man
G
Rear wheel spacers
lee
Jan 25, 2008
Replies
17
Views
4K
Jan 30, 2008
lee
R
Big Dog electrical JST connectors
Rick
Jan 29, 2008
Replies
2
Views
2K
Jan 30, 2008
Rick
R
clutch problem solved!
lee
Jan 28, 2008
Replies
17
Views
2K
Jan 30, 2008
txchopperguy
Belt making noise again
Tdhspringer
Jan 27, 2008
Replies
11
Views
2K
Jan 29, 2008
ohio dog
Exhaust fitment
lee
Jan 28, 2008
Replies
3
Views
1K
Jan 28, 2008
lee
08 ridgeback bars on 06 mastiff
superfly
Jan 27, 2008
Replies
11
Views
2K
Jan 28, 2008
KnotSo
Oil Additives
slowrower
Nov 22, 2007
2
Replies
31
Views
5K
Jan 28, 2008
Chopper Dave
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