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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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G
05 Chopper ~ Valve guides oval’d – NOT COVERED (HELP)
General_Mayhem
Sep 25, 2008
Replies
14
Views
2K
Nov 4, 2008
Gas Man
G
HELP!!! BIGDOG QUIT ON ME THIS MORNING!!
jerr-06k9
Oct 31, 2008
2
Replies
28
Views
3K
Nov 3, 2008
stlmikie
Had to happen - won't start!
rfkutschman
Nov 1, 2008
Replies
16
Views
2K
Nov 3, 2008
RRRUFF
No Riden' 2day
WOODDAWG04
Nov 2, 2008
Replies
1
Views
696
Nov 2, 2008
pig pen
2003 Mastiff Speedo Problem. PLEASE HELP
kylec250
Nov 1, 2008
Replies
3
Views
1K
Nov 2, 2008
Agentbman
S
280 Rear Tire
SOHOOD
Nov 1, 2008
Replies
4
Views
971
Nov 1, 2008
SOHOOD
S
Making a K9 a Rigid?
rfkutschman
Oct 30, 2008
Replies
14
Views
1K
Nov 1, 2008
bdmridgeback
S&S IST
rhinoevans
Oct 30, 2008
Replies
14
Views
1K
Oct 31, 2008
CCRainman
05 TP ROCKERS
05chop
Apr 4, 2008
Replies
16
Views
2K
Oct 30, 2008
General_Mayhem
G
G
Need help picking parts.
General_Mayhem
Sep 26, 2008
Replies
5
Views
848
Oct 30, 2008
General_Mayhem
G
Oil Burner
Point08
Oct 25, 2008
Replies
4
Views
828
Oct 30, 2008
General_Mayhem
G
Engine Mount Bolt Size?
Moespeeds
Oct 22, 2008
Replies
16
Views
3K
Oct 29, 2008
Gas Man
G
Works adjustable shocks question?
shovelcowboy
Oct 28, 2008
Replies
2
Views
943
Oct 29, 2008
shovelcowboy
DYNO Results
rhinoevans
Oct 29, 2008
Replies
1
Views
959
Oct 29, 2008
Raywood
NewExhaust Header Nuts
CCRainman
Oct 28, 2008
Replies
3
Views
857
Oct 29, 2008
chacha
A few surprises upon engine teardown
Infinitro
Oct 25, 2008
Replies
15
Views
2K
Oct 28, 2008
DeputyDog
He'p Me Please! If you had a K-9 with NO wiring what would you do?
shovelcowboy
Oct 22, 2008
Replies
19
Views
2K
Oct 27, 2008
marinecorpsmike
removing front reflector on 2008 K9
1extremeskier
Oct 23, 2008
Replies
9
Views
1K
Oct 26, 2008
hoat
Headlight
EJ
Oct 14, 2008
Replies
8
Views
1K
Oct 26, 2008
EJ
Question about replacing Rocker Box gaskets
Beastman1652
Oct 25, 2008
Replies
4
Views
1K
Oct 26, 2008
Beastman1652
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