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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
980
Messages
12.1K
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Sub-forums
Handlebars
Primary
Clutch
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Frame & Chassis
Brakes
Charging System
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Electrical
Threads
980
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12.1K
Clutch Lever
Aug 29, 2026
NEOHIOK9
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
Clutch
Thursday at 10:22 PM
Race3119
Fluids!!
Threads
180
Messages
2.5K
Threads
180
Messages
2.5K
Primary problems.
Jun 8, 2026
PapaStein
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What transmission case for 2004 ridgeback.
Kerwin50
Mar 27, 2022
Replies
3
Views
906
Mar 27, 2022
tcrowelljr
Best way to get rear bearings out of rear wheel?2005 chopper
Tim briscoe
Mar 26, 2022
Replies
2
Views
838
Mar 27, 2022
Unsprung
M
Which oil weight in the trans?
Matt300ZXT
Mar 25, 2022
Replies
4
Views
802
Mar 26, 2022
awg
V
SS carburetor
VonDamage
Mar 21, 2022
Replies
10
Views
1K
Mar 23, 2022
Mickmorris
L
BIG DOG FIXED
Locodriver999
Mar 21, 2022
Replies
0
Views
786
Mar 21, 2022
Locodriver999
L
L
I fix the die problem on my 2004 BD Chopper
Locodriver999
Mar 21, 2022
Replies
0
Views
701
Mar 21, 2022
Locodriver999
L
Valve train noise
SBMike
Mar 17, 2022
Replies
15
Views
1K
Mar 18, 2022
SBMike
B
Charging System
Buzzinbooch
Mar 14, 2022
2
Replies
22
Views
4K
Mar 17, 2022
knothead
C
Front brake rotor
COOPer
Mar 16, 2022
Replies
3
Views
920
Mar 16, 2022
woodbutcher
W
I
31-0024L cases
Ironworker
Mar 14, 2022
Replies
4
Views
4K
Mar 16, 2022
Ironworker
I
Pre load washers are gone.
Tim briscoe
Mar 13, 2022
Replies
2
Views
844
Mar 15, 2022
Tim briscoe
2005 BDM Chopper: Wheel Alternatives
japelfrey
Mar 14, 2022
Replies
4
Views
951
Mar 14, 2022
japelfrey
Date codes
speedball jr.
Feb 28, 2022
Replies
2
Views
1K
Feb 28, 2022
speedball jr.
Intake manifold K9 engine GE01919
OlivaRider
Jan 29, 2022
Replies
13
Views
2K
Feb 25, 2022
pknowles
Before I spend a fortune on a new EFI Controller....
Chuck3d
Feb 12, 2022
2
Replies
22
Views
3K
Feb 19, 2022
Chuck3d
C
Clutch
COOPer
Feb 13, 2022
Replies
2
Views
989
Feb 16, 2022
rpols7
C
Primary fluid
COOPer
Feb 3, 2022
Replies
10
Views
1K
Feb 6, 2022
Sven
S
Mastiff 2008 EFI Head Gasket leak.
Bolly
Feb 5, 2022
Replies
14
Views
2K
Feb 6, 2022
bdm7250
C
Clutch
COOPer
Feb 4, 2022
Replies
6
Views
1K
Feb 5, 2022
COOPer
C
C
Clutch
COOPer
Jan 3, 2022
Replies
16
Views
2K
Feb 2, 2022
deltaesierra
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