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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
Messages
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
Messages
11.5K
K9 Rebuild/Upgrade
Yesterday at 4:16 PM
82ndAirborne
EFI Topics
Electronic Fuel Injection issues
Threads
169
Messages
2.3K
Threads
169
Messages
2.3K
Fuel Injector, K9 2008
Mar 9, 2025
knothead
Technical Bulletins and Recalls
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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
Messages
2.5K
U
Primary gasket
Sep 4, 2025
Underdog
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Possible fix for 2008 Mastiff Shutting Off????
smartinez1984
Feb 24, 2008
2
Replies
38
Views
3K
Mar 27, 2008
Staffy
What type of Pipes on Your k9
Doug G
Mar 26, 2008
Replies
17
Views
2K
Mar 26, 2008
barhopper
Backfire on Start Up
LamboV12
Dec 28, 2007
2
Replies
34
Views
8K
Mar 25, 2008
Doug G
B
The spacers between the bolts that hold
BubbleHead
Mar 24, 2008
2
3
Replies
44
Views
4K
Mar 24, 2008
Chopper Dave
2000 Vintage starter motor replacement
RAG Vintage Classic
Mar 22, 2008
Replies
2
Views
834
Mar 24, 2008
RAG Vintage Classic
IST Ignition Module
lee
Mar 23, 2008
Replies
2
Views
737
Mar 23, 2008
lee
Fairing protector
lee
Mar 22, 2008
Replies
3
Views
1K
Mar 22, 2008
lee
how can you tell???
jimizee028
Mar 22, 2008
Replies
6
Views
961
Mar 22, 2008
Chopper Dave
Front Tire Size
Salty Dawg
Mar 22, 2008
Replies
0
Views
1K
Mar 22, 2008
Salty Dawg
NEW EHC
stig
Mar 20, 2008
Replies
3
Views
1K
Mar 22, 2008
stig
the mastiff caught on fire!
superfly
Mar 3, 2008
2
3
4
Replies
64
Views
6K
Mar 21, 2008
Dawgboy
Headlight Bulb and Drive Belt - 2004 Chopper
Moespeeds
Mar 16, 2008
Replies
14
Views
4K
Mar 20, 2008
Drewv1
Servicing tool checklist
Lone Dog
Mar 16, 2008
Replies
3
Views
694
Mar 18, 2008
Gas Man
G
Muller Power Clutch
lee
Mar 15, 2008
Replies
4
Views
3K
Mar 17, 2008
woodbutcher
W
Velocity Stacks??
TCALZ06
Mar 16, 2008
Replies
4
Views
1K
Mar 17, 2008
Vegas
V
All show no go
gilbert81
Mar 10, 2008
Replies
14
Views
2K
Mar 16, 2008
stalknu
S
D
power loss
delly2
Mar 10, 2008
2
Replies
29
Views
3K
Mar 16, 2008
delly2
D
forward control bushings????
TCALZ06
Mar 12, 2008
Replies
18
Views
2K
Mar 16, 2008
TCALZ06
C
03 bulldog wont start
coug69
Mar 14, 2008
Replies
8
Views
1K
Mar 14, 2008
barhopper
'04 Mastiff cutting out....EHC problems???
Old Hippy
Dec 9, 2007
2
Replies
25
Views
3K
Mar 14, 2008
Xodus
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