4-Stroke Engines

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Questions about 4-Stroke motorized bicycle engines. Honda, Robin Subaru, EZM, DAX, HuaSheng etc.
Jerry SantaMaria
chain falls off on fat tire bicycle
2
Replies
19
Views
2K
Frankenstein
Frankenstein
H
Honda GX35: How to remove clutch shoes?
2
Replies
11
Views
5K
csm
C
D
79cc predator vertical build, carb maniflold.
Replies
1
Views
2K
Deleted member 25783
D
libranskeptic
FYI, a bespoke hot crankshaft made using a CAM mill
Replies
1
Views
675
Old Bob
O
M
Best Performance Carb Upgrade for 142f??
2
Replies
18
Views
5K
Rico glover
Rico glover
Ilson Junior
Manufacturers / factory
Replies
2
Views
734
skyash
skyash
Jayroma
Pedal Crank Axel Question
Replies
4
Views
1K
Jayroma
Jayroma
D
how to make a 49cc go faster
Replies
3
Views
2K
Deleted member 12676
D
T
49cc Huasheng clutch issues
3 4 5
Replies
42
Views
12K
Nanonevol
Nanonevol
D
The trigger is pulled, 79cc Predator purchased 5/21/16 loop frame
2 3 4
Replies
33
Views
4K
Deleted member 25783
D
D
Engine mount 49cc 4 stroke and drop loop frame
Replies
8
Views
3K
Deleted member 25783
D
B
Gas tank placement for 4-stroke HuaSheng 49cc engines
2
Replies
11
Views
7K
GhettoBike
GhettoBike
P
Questions about the Predator 212 engine
2
Replies
11
Views
4K
GhettoBike
GhettoBike
R
79cc Harbor Freight engines
Replies
1
Views
2K
GhettoBike
GhettoBike
D
Fifty miles and still running well.
2
Replies
11
Views
2K
Steve Best
Steve Best
Z
anyone tried 90cc, 110 or over engines yet??
2 3
Replies
28
Views
9K
Rico glover
Rico glover
J
Anyone in Dallas TX area
Replies
3
Views
864
libranskeptic
libranskeptic
Rico glover
another one
Replies
3
Views
545
butre
butre
Banzai7863
142f rough surging idle/misfiring
Replies
3
Views
1K
Jeremy/Bicycle Engines
Jeremy/Bicycle Engines
45u
Hop Ups
2
Replies
13
Views
2K
HeadSmess
HeadSmess
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