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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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Looking for some help, Carb Tuning
RRRUFF
Apr 23, 2013
Replies
9
Views
1K
Apr 25, 2013
francoblay1
B
Brake fluids/Types...Showing difference....
bigdogtech01
Apr 6, 2013
Replies
11
Views
2K
Apr 23, 2013
HMAN
Handlebar cicuit boards
Raywood
Apr 17, 2013
Replies
7
Views
1K
Apr 21, 2013
kickstart
Starter for'08 Mastiff
jlbarrett1964
Apr 18, 2013
Replies
4
Views
871
Apr 19, 2013
KnotSo
J
front tire
jon57
Apr 18, 2013
Replies
4
Views
954
Apr 18, 2013
jon57
J
F
Spark plug gap
fat300
Apr 29, 2008
2
Replies
28
Views
6K
Apr 17, 2013
HOE ER
New Brake Pads Question
moog5050
Apr 10, 2013
Replies
7
Views
931
Apr 16, 2013
bearman
O
best place to get manuals?
okie_dog
Apr 14, 2013
Replies
2
Views
644
Apr 16, 2013
dcam
D
P
06 K9 Parked in Heavy Rain : Barely got me home
paidinfull4u
Mar 28, 2013
Replies
11
Views
1K
Apr 16, 2013
KnotSo
Drive belt shredded
Dogbone
Apr 8, 2013
Replies
16
Views
2K
Apr 16, 2013
Dogbone
No spark on 05 chopper
117bigdog
Sep 9, 2012
Replies
5
Views
1K
Apr 15, 2013
bearman
PDM RESULTS
07bigdog
Apr 2, 2013
Replies
19
Views
2K
Apr 13, 2013
Jerry
J
Transmission sprocket question
DynoDave
Apr 12, 2013
Replies
3
Views
682
Apr 12, 2013
DynoDave
02 Mastiff tire fitment
MastiffAv8tor
Mar 23, 2013
Replies
8
Views
1K
Apr 12, 2013
MastiffAv8tor
Started with a little bitty hole
jsub
Apr 9, 2013
Replies
9
Views
1K
Apr 10, 2013
jsub
T
I need HELP
tagurit
Mar 31, 2013
Replies
16
Views
2K
Apr 9, 2013
KnotSo
B
Where to buy a 2004 service manual???
Bodyman
Apr 8, 2013
Replies
3
Views
641
Apr 9, 2013
Nukeranger
Bandit Clutch HELP.....
jimizee028
Apr 7, 2013
Replies
16
Views
2K
Apr 9, 2013
bigdogtech01
B
S
2006 valvle size?
sics6
Apr 2, 2013
Replies
14
Views
1K
Apr 5, 2013
john sachs
dust caps just spin Help!!!
Tattooedirish1
Apr 3, 2013
Replies
2
Views
773
Apr 4, 2013
Tattooedirish1
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