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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
Sub-forums
Sub-forums
Handlebars
Primary
Clutch
Starter
Wheels
Engine
Frame & Chassis
Brakes
Charging System
Forks
Carburetor
Electrical
Threads
980
Messages
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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2004 Bulldog
2004hdfxsti
Aug 13, 2012
Replies
4
Views
1K
Aug 14, 2012
francoblay1
Anyone unable to change a 300 by hand?
Dawgboy
Aug 12, 2012
Replies
15
Views
2K
Aug 14, 2012
Dawgboy
Pulley Teeth
Dlandbob
Aug 9, 2012
Replies
15
Views
2K
Aug 13, 2012
Dlandbob
B
Help please no spark on 04 Mastiff
bkfalcon
Aug 1, 2012
Replies
15
Views
2K
Aug 11, 2012
bkfalcon
B
M
EFI question relating to Pipe change
Midwest Outlaw
Aug 8, 2012
2
Replies
20
Views
3K
Aug 10, 2012
Little-Boo
J
2004 Big Dog Bulldog Speedo
jwmays
Aug 9, 2012
Replies
3
Views
871
Aug 10, 2012
Th3InfamousI
which tire to buy ????????
KANSAS-K9
Jul 31, 2012
Replies
19
Views
2K
Aug 9, 2012
BadBrad
M
06 K-9 front tubes leaking/sticking
moesterman
Aug 8, 2012
Replies
9
Views
1K
Aug 8, 2012
woodbutcher
W
Fork fitment
captjoe
Aug 8, 2012
Replies
0
Views
571
Aug 8, 2012
captjoe
EFM Autoclutch initial Review
moog5050
Mar 15, 2012
Replies
19
Views
7K
Aug 8, 2012
moog5050
K
Old School Wiring of a Big Dog
kenart
Aug 8, 2012
Replies
1
Views
975
Aug 8, 2012
BadBrad
B
???? Wires plus and Thunder heart.
BaddogJ
Aug 7, 2012
Replies
2
Views
790
Aug 8, 2012
BaddogJ
B
Fork oil
Milco
Aug 7, 2012
Replies
5
Views
1K
Aug 7, 2012
07bigdog
Tappet Cap
BFB
Mar 26, 2012
2
3
Replies
44
Views
4K
Aug 7, 2012
francoblay1
M
Need Help!
Mitracol
Jul 28, 2012
Replies
15
Views
2K
Aug 7, 2012
Oldhvymetal
Risk it?
rfkutschman
Aug 5, 2012
Replies
16
Views
2K
Aug 6, 2012
pknowles
B
02 pitbull hammering starter
bowmunster
Aug 4, 2012
Replies
3
Views
671
Aug 4, 2012
Brew
M
Dyna 2000i Need Help
maa323
Jul 29, 2012
Replies
9
Views
1K
Aug 2, 2012
Preston
P
K
Tachometer Not working
kloeppelc
Jul 31, 2012
Replies
9
Views
5K
Aug 1, 2012
Olde Man
No power
highmountaindog
Jul 6, 2012
2
Replies
24
Views
2K
Aug 1, 2012
Doug760
D
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