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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
967
Messages
12.1K
Sub-forums
Sub-forums
Handlebars
Primary
Clutch
Starter
Wheels
Engine
Frame & Chassis
Brakes
Charging System
Forks
Carburetor
Electrical
Threads
967
Messages
12.1K
0
EHC
May 19, 2026
08 MUTT
EFI Topics
Electronic Fuel Injection issues
Threads
170
Messages
2.3K
Threads
170
Messages
2.3K
Rear cylinder switches off when hot.
Monday at 7:54 PM
SKOGDOG
Technical Bulletins and Recalls
Threads
121
Messages
1.3K
Threads
121
Messages
1.3K
I have a few questions about the Dakota digital BD-140
Jun 11, 2024
Jersey Big Mike
New Owner Necessities
What new owners need to keep their Dog's running strong!
Threads
28
Messages
566
Threads
28
Messages
566
2003 Mastiff service manual PDF
Aug 22, 2025
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
front forks problem
Apr 24, 2026
Steven Proctor
Fluids!!
Threads
179
Messages
2.5K
Threads
179
Messages
2.5K
U
Primary gasket
Sep 4, 2025
Underdog
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Bike looks good, price looks good, but what year is it?
No H2O
Jun 20, 2019
Replies
13
Views
1K
Jun 21, 2019
knothead
Running starter after bike starts
Hardtale
Jun 16, 2019
Replies
18
Views
2K
Jun 19, 2019
Hardtale
H
Evap canister
Higgy
Jun 18, 2019
Replies
3
Views
723
Jun 19, 2019
Sven
S
2003 gas tank
Ironnation
Jun 11, 2019
Replies
7
Views
2K
Jun 13, 2019
bdm7250
Oem headgasket size 2003 Chopper
2003BDChopper
Jun 6, 2019
Replies
0
Views
611
Jun 6, 2019
2003BDChopper
Dakota BD 140
2003BDChopper
Jun 5, 2019
Replies
2
Views
1K
Jun 5, 2019
2003BDChopper
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
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