4-Stroke Engines

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Questions about 4-Stroke motorized bicycle engines. Honda, Robin Subaru, EZM, DAX, HuaSheng etc.
loquin
  • Sticky
Engine Manuals
Replies
3
Views
14K
Buzzard2
Buzzard2
M
What's the best 4 cycle break in oil ?
Replies
2
Views
112
ImpulseRocket
ImpulseRocket
I
GX50 takes 3-5 pulls to start when cold?
Replies
5
Views
229
Darwin
Darwin
WacoMoto
Meeting EPA Class 1 Emission Standards
Replies
7
Views
274
DAMIEN1307
DAMIEN1307
shellboi
Need Mods to Improve Power/Efficiency of Honda GX35 + Electric Starter & EFI Install
2
Replies
13
Views
449
DieselTech
DieselTech
2euro
More speed
Replies
7
Views
285
Gordy
Gordy
Wrench
B&S Junior
2 3
Replies
25
Views
843
Darwin
Darwin
Harry S
Has anyone converted a 4 stroke to run on LPG.
2 3 4
Replies
31
Views
1K
Gordy
Gordy
M
Robin 5hp engines upgrades
10 11 12
Replies
110
Views
2K
cloakedvillain
cloakedvillain
Mike Cyanide
4 stroke guys give me a holler
Replies
4
Views
362
DAMIEN1307
DAMIEN1307
Risk Man
HF has the Predator 212 today only for $89
2
Replies
13
Views
687
Chainlube
Chainlube
N
LF-152f-3 now retired or discontinued whats next engine PHATMOTO should offer
2 3 4
Replies
35
Views
5K
SirLurksAlot
S
DieselTech
Fat Bike done right!
2
Replies
14
Views
991
Heavyload
Heavyload
bikeman1212
Engine Knocking Sound After Sprocket Change – Need Help!
2
Replies
12
Views
910
michael whiteman
M
Will'smotobikes19
Homemade 4 stroke (project lmz)
2 3
Replies
23
Views
2K
Gordy
Gordy
D
What to do ?
Replies
5
Views
408
DAMIEN1307
DAMIEN1307
thesethawa
Flathead Briggs question
2
Replies
16
Views
810
thesethawa
thesethawa
Mike Cyanide
Wont roll backward?
2
Replies
12
Views
939
Wrench
Wrench
M
79cc Predator Questions
9 10 11
Replies
107
Views
9K
DAMIEN1307
DAMIEN1307
Watts
6800 RPM, only getting 22km/hr
4 5 6
Replies
55
Views
3K
Street Ryderz
Street Ryderz
bikeman1212
Huasheng 142f Valve Cover Gasket Specs?
Replies
7
Views
566
bikeman1212
bikeman1212
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