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4 Stroke Bicycle Engines & Kits
4 stroke engine kits are great if you want reliability or do not want to mix your oil and gas. Learn from each other how to get the most out of your 4 stroke bicycle engine
Forums
Bicycle Motor
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Newbie here! Looking for suggestions to mod my new kit
SoughtAnarchy
Oct 17, 2020
Replies
9
Views
2,942
Oct 22, 2020
chainmaker
49cc 4 stroke will not run without some choke.
Gerard jones
Aug 25, 2020
Replies
13
Views
6,033
Sep 10, 2020
Citi-sporter
C
C
Mounting plate
Choochoo_nesby
Jul 15, 2020
2
Replies
30
Views
5,318
Sep 3, 2020
Choochoo_nesby
C
49cc HS engine keeps stalling
outlawbiker
Jul 25, 2016
Replies
10
Views
6,199
Aug 25, 2020
Gerard jones
P
Upgrading mounting hardware.
Patrick12411
Aug 6, 2020
Replies
5
Views
1,038
Aug 7, 2020
curtisfox
C
D
4 stroke transmission issue
Dawelny97
Feb 5, 2020
Replies
19
Views
8,321
Jun 29, 2020
5-7HEAVEN
5
C
What plug
Chbronco
Jun 3, 2020
Replies
1
Views
1,065
Jun 6, 2020
Greg58
B
4stroke carb to nt
Brandd3nn
Jan 24, 2020
Replies
1
Views
1,668
May 28, 2020
user53399
U
Engine Upgrades?
Dimmizer
May 18, 2020
Replies
3
Views
2,304
May 24, 2020
user53399
U
T
Gearing for 79cc Lifan
Tang
May 16, 2020
Replies
5
Views
2,779
May 17, 2020
5-7HEAVEN
5
S
huasheng 142 magneto cover
scar11211
Apr 21, 2018
Replies
3
Views
1,704
May 10, 2020
Meterman
M
Poll
Back to Motorized bikes
donphantasmo
May 25, 2019
Replies
10
Views
3,470
May 6, 2020
Tang
T
Z
Please explain transmission types?
zer037
Apr 25, 2020
Replies
18
Views
6,122
Apr 26, 2020
curtisfox
C
Z
What are the differences in the transmissions?
zer037
Apr 25, 2020
Replies
0
Views
744
Apr 25, 2020
zer037
Z
J
49 cc motor
Jim C
Apr 15, 2020
Replies
1
Views
1,494
Apr 16, 2020
Greg58
G
Monster 80 strange behavior after oil change. Please help.
Gerold McNomancy
Apr 10, 2020
Replies
7
Views
1,036
Apr 13, 2020
curtisfox
C
EZ Bike drive mount
jbcruisin
Apr 7, 2020
Replies
0
Views
879
Apr 7, 2020
jbcruisin
S
79cc monster90 motorized bicycle
Styxxx
Dec 9, 2019
Replies
1
Views
1,381
Mar 30, 2020
donphantasmo
D
How can you tell if your running rich or lean?
Dawelny97
Mar 22, 2020
Replies
5
Views
1,780
Mar 26, 2020
FOG
F
How to get this key unstuck
breath_easy13
Jan 21, 2020
Replies
4
Views
1,205
Mar 22, 2020
MEASURE TWICE
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Bicycle Motor
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