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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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Oil Leak at Rocker Cover Corners
787 Mechanic
Feb 25, 2019
Replies
8
Views
3K
Jun 4, 2019
mleach72
Big bore or top end power
2003BDChopper
Jun 2, 2019
Replies
10
Views
2K
Jun 3, 2019
Mr. Wright
03 Chopper manual
2003BDChopper
May 31, 2019
Replies
2
Views
779
May 31, 2019
2003BDChopper
2000 Prosport questions???
KBS3251
May 28, 2019
Replies
7
Views
1K
May 30, 2019
bigdogpartskingpin
Neck bearings
liferider
May 23, 2011
2
Replies
28
Views
4K
May 21, 2019
knothead
Shifting into neutral
1pos93
Mar 30, 2016
2
Replies
29
Views
5K
May 17, 2019
roadie1389
D
dave z
dave z
May 10, 2019
Replies
7
Views
1K
May 11, 2019
dave z
D
Rear Axle
Jersey Big Mike
May 8, 2019
Replies
7
Views
1K
May 9, 2019
pknowles
E
Changing to a longer kick stand.
Ernie12
May 4, 2019
Replies
19
Views
3K
May 6, 2019
bigkelk9
R
EHC R.I.P. kit
Richard Kelsh
Apr 30, 2019
Replies
1
Views
1K
Apr 30, 2019
Ed U. Cator
WIRE PLUS WP374 & WP381 EHC KITS IN STOCK VICIOUS CYCLE WORKS
Motorcycle Parts Man
Aug 30, 2013
Replies
7
Views
2K
Apr 29, 2019
awg
No brake lights turn signal when running
Trout
Apr 29, 2019
Replies
0
Views
735
Apr 29, 2019
Trout
J
Rotational spark plugs
JohnBC
Apr 27, 2019
Replies
6
Views
1K
Apr 27, 2019
john sachs
W
04 Chopper rolls over only a few times, no start
wieland77
Apr 25, 2019
Replies
13
Views
2K
Apr 26, 2019
Nukeranger
I have a ? about residual current drain with ignition key OFF
Ed U. Cator
Apr 22, 2019
2
Replies
22
Views
3K
Apr 26, 2019
Mr. Wright
Possible EHC repacement, speedo and tail lights not working
brhanson75
Mar 23, 2019
2
Replies
22
Views
3K
Apr 5, 2019
Texas_Rigid
B
Brake Lights Not Working !!!
BigDawg2006
Mar 23, 2019
2
3
Replies
42
Views
9K
Apr 3, 2019
BigDawg2006
B
Keyless Ignition
roadie1389
Mar 21, 2019
Replies
6
Views
2K
Mar 31, 2019
Jersey Big Mike
AN oil tank fittings size on mastiffs.
wrench
Mar 30, 2019
Replies
1
Views
1K
Mar 31, 2019
Mr. Wright
Avon Has New Tire Out
roadie1389
Oct 4, 2018
2
Replies
21
Views
4K
Mar 30, 2019
knothead
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