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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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Dog dies at full throttle
BigJimCT
Apr 17, 2008
2
Replies
23
Views
3K
Apr 20, 2008
narow37
W
Speedometer
waternazzi
Apr 20, 2008
Replies
6
Views
1K
Apr 20, 2008
Oscar Maldonado
Suggestions on a Starter?
Thorshammer96
Apr 11, 2008
2
Replies
24
Views
3K
Apr 19, 2008
beano
B
EHC - red ignition light
lee
Apr 18, 2008
Replies
4
Views
1K
Apr 19, 2008
lee
B
oil filter ques
beano
Apr 15, 2008
Replies
15
Views
2K
Apr 18, 2008
beano
B
Vibration..right foot peg...
HeyMoose
Apr 15, 2008
2
Replies
21
Views
3K
Apr 18, 2008
Gas Man
G
Big Dog Carb with a chip in it, no jets? All Proprietary!!
Nomad2day
Apr 17, 2008
Replies
8
Views
1K
Apr 18, 2008
Nomad2day
K9 Front Brake / Contamination
PurpleDog
Apr 16, 2008
Replies
9
Views
1K
Apr 18, 2008
PurpleDog
B
I NEED A MANUAL
beano
Apr 16, 2008
Replies
8
Views
1K
Apr 17, 2008
erldawg
Electrical Demon WTF
Fibersnake
Apr 16, 2008
Replies
19
Views
2K
Apr 17, 2008
05chop
Hooker Widtail Pipes?
Byrddogg
Apr 12, 2008
Replies
11
Views
3K
Apr 17, 2008
Byrddogg
Primary Drain might be stripped!
mcgroom
Apr 17, 2008
Replies
7
Views
1K
Apr 17, 2008
CCRainman
exhaust ???
MistaBob
Apr 17, 2008
Replies
4
Views
791
Apr 17, 2008
MistaBob
Speedo Fogging...just a thought
MN K9
Apr 14, 2008
Replies
7
Views
1K
Apr 17, 2008
MN K9
whats the number on the 117ci spark plugs?
cavracer21
Apr 4, 2008
Replies
8
Views
3K
Apr 16, 2008
BubbleHead
B
Why the neutral and oil light on when it gets wet?
Nomad2day
Apr 15, 2008
Replies
17
Views
2K
Apr 16, 2008
Vegas
V
2001 Mastiff won't start? Just turn over.
toethumbs
Apr 8, 2008
Replies
16
Views
3K
Apr 16, 2008
Raywood
Lock Tite or not?
T Mack
Apr 14, 2008
Replies
16
Views
2K
Apr 15, 2008
Gas Man
G
C
Runs then dies
chopper
Apr 15, 2008
Replies
7
Views
3K
Apr 15, 2008
Gas Man
G
B
clueless
beano
Apr 15, 2008
Replies
2
Views
681
Apr 15, 2008
Gas Man
G
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