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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
950
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11.5K
Sub-forums
Sub-forums
Handlebars
Primary
Clutch
Starter
Wheels
Engine
Frame & Chassis
Brakes
Charging System
Forks
Carburetor
Electrical
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950
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11.5K
K9 Rebuild/Upgrade
Yesterday at 4:16 PM
82ndAirborne
EFI Topics
Electronic Fuel Injection issues
Threads
169
Messages
2.3K
Threads
169
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2.3K
Fuel Injector, K9 2008
Mar 9, 2025
knothead
Technical Bulletins and Recalls
Threads
121
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1.3K
Threads
121
Messages
1.3K
I have a few questions about the Dakota digital BD-140
Jun 11, 2024
Jersey Big Mike
New Owner Necessities
What new owners need to keep their Dog's running strong!
Threads
28
Messages
566
Threads
28
Messages
566
2003 Mastiff service manual PDF
Aug 22, 2025
HMAN
Help Wanted
No, not a job offer, if you're having trouble, ask for help here!
Threads
3.1K
Messages
36.1K
Threads
3.1K
Messages
36.1K
loose idel and throttle cable at handle bar control
Saturday at 11:35 PM
Robman
Fluids!!
Threads
179
Messages
2.5K
Threads
179
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2.5K
U
Primary gasket
Sep 4, 2025
Underdog
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Bike wouldn't start this morning...
smartinez1984
Feb 8, 2008
2
3
Replies
41
Views
4K
Feb 14, 2008
Gas Man
G
mystery knock
tommyboy
Feb 10, 2008
Replies
17
Views
2K
Feb 13, 2008
narow37
Don't buy Landmark Rod Ends...
Chopper Dave
Feb 10, 2008
Replies
12
Views
1K
Feb 11, 2008
Gas Man
G
Anyone know the proper proceedure for replacing an exhaust stud?
txchopperguy
Feb 8, 2008
Replies
15
Views
2K
Feb 10, 2008
txchopperguy
REAR END RATIO
05chop
Feb 10, 2008
Replies
3
Views
874
Feb 10, 2008
Raywood
Plug VS Patching?
Bulldog03
Feb 8, 2008
2
Replies
39
Views
3K
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
797
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
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