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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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top end noise
Dawgboy
Jun 1, 2011
Replies
10
Views
1K
Jun 2, 2011
V
P
Starter Button gone crazy!
PDsChop
Apr 20, 2011
Replies
9
Views
2K
Jun 1, 2011
woodbutcher
W
Front brake switch help 2008 K-9
kirk927
Nov 20, 2010
Replies
6
Views
2K
Jun 1, 2011
kirk927
J
Backfiring from front cylinder and plug fouling
jeffwest5599
Jun 1, 2011
Replies
4
Views
1K
Jun 1, 2011
RRRUFF
P
K9 Electrical issue
PDsChop
May 19, 2011
Replies
7
Views
2K
Jun 1, 2011
erldawg
puke can
Daddycool
Aug 30, 2008
2
Replies
33
Views
6K
May 31, 2011
RRRUFF
P
05 Chopper Adjustable shocks
PDsChop
May 31, 2011
Replies
0
Views
688
May 31, 2011
PDsChop
P
Primary Chain Adjustment
GymRat
Aug 23, 2009
Replies
7
Views
2K
May 31, 2011
woodbutcher
W
Jims hydrosolid lifters and adjustable pushrod advice
Nomad2day
May 30, 2011
Replies
1
Views
3K
May 31, 2011
Little-Boo
D
Neutral light
drbalazo
May 29, 2011
Replies
4
Views
848
May 31, 2011
drbalazo
D
T
jump start
Tiaan
May 27, 2011
Replies
6
Views
2K
May 29, 2011
BigDogBro1
e3 plugs
echoniner111
May 24, 2011
2
Replies
29
Views
3K
May 29, 2011
Buster03
B
Backfire & Headlight issues
Fever
May 28, 2011
Replies
6
Views
982
May 29, 2011
silver09
S
Starter Jackshaft seal
Jokerhd13
May 28, 2011
Replies
0
Views
1K
May 28, 2011
Jokerhd13
J
Signals and brake light issues
jeffwest5599
May 25, 2011
Replies
7
Views
1K
May 28, 2011
jeffwest5599
J
fluids/torque specs
2004hdfxsti
Apr 20, 2011
Replies
7
Views
2K
May 27, 2011
erldawg
Fork oil change
San Diego Dog
May 23, 2011
Replies
5
Views
1K
May 26, 2011
liferider
Oil Change Questions and the Scavenger system
Gatlin5
Apr 24, 2011
2
Replies
27
Views
7K
May 26, 2011
Five Five
07 k9 clutch cable
josh
May 25, 2011
Replies
4
Views
922
May 25, 2011
Brew
S
Rear Tire on 2005 Chopper
stillwater
May 23, 2011
Replies
2
Views
858
May 24, 2011
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