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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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520 vs 600 S&S cam
rhinoevans
Aug 2, 2008
Replies
8
Views
1K
Aug 2, 2008
rhinoevans
J
starter
jon57
Jul 31, 2008
Replies
1
Views
715
Aug 2, 2008
Gas Man
G
Starter Replacement poll
mcdoc1969
Jul 30, 2008
Replies
6
Views
1K
Aug 1, 2008
woodbutcher
W
J
starter
jon57
Jul 31, 2008
Replies
8
Views
861
Aug 1, 2008
Gas Man
G
Igniton/EHC
V
Jul 31, 2008
Replies
6
Views
830
Jul 31, 2008
V
Shrink wrap heat
Old Hippy
Jul 27, 2008
Replies
15
Views
2K
Jul 31, 2008
surferdude
Exhaust Popping on Decelartion
LR1755
Jul 30, 2008
Replies
11
Views
4K
Jul 31, 2008
surferdude
05' Clutch? ... Am I the next victim?
surferdude
Jul 18, 2008
2
Replies
29
Views
2K
Jul 31, 2008
delly2
D
Oil woes
Throttle Jockey
Jul 29, 2008
Replies
6
Views
945
Jul 31, 2008
Chopper Dave
Missing on one cyclinder/adjustment screw
TLB08K9
Jul 28, 2008
Replies
13
Views
1K
Jul 30, 2008
Whistler
W
R
How do you check for a bad Speedo Sensor?
Rick
Jul 28, 2008
Replies
13
Views
4K
Jul 30, 2008
CCRainman
Pullng gas tanks off my Mastiff
Old Hippy
Jul 29, 2008
Replies
18
Views
3K
Jul 30, 2008
CCRainman
Oil leaking from below lower rocker cover
ChopperJeff
Jul 10, 2008
Replies
11
Views
1K
Jul 29, 2008
ChopperJeff
Chrome
Mach_1
Jul 26, 2008
Replies
7
Views
890
Jul 29, 2008
TCALZ06
Carb Backibg Plate
rhinoevans
Jul 27, 2008
Replies
3
Views
678
Jul 29, 2008
rhinoevans
Speedo question
Keith S
Jul 28, 2008
Replies
4
Views
745
Jul 28, 2008
Keith S
Sissy Bar set screws
Keith S
Jul 11, 2008
Replies
12
Views
1K
Jul 28, 2008
Keith S
R
Rubber Gromit on milage reset button
Rainer Kleinschek
Jul 23, 2008
Replies
10
Views
1K
Jul 27, 2008
BBChopper
Speedo Help
Dimentia
Jul 25, 2008
Replies
3
Views
748
Jul 25, 2008
Dimentia
Those with a 300 tire
Korben Dallas
Jul 22, 2008
2
Replies
21
Views
2K
Jul 25, 2008
2 dog
2
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