2-Stroke Engines

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The 2-Stroke motorized bicycle engine kit forum. Why won't your 2-stroke motorized bike engine start? What's the best 66cc & 80cc engine kit for your bike?
Q
Break In Proper carburetor tuning during break in.
5 6 7
Replies
67
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8K
Karl Snarl
Karl Snarl
M
  • Locked
Break In New 80cc break in weird noise + low performance?
3 4 5
Replies
49
Views
13K
DAMIEN1307
DAMIEN1307
MinimumVK
  • Locked
  • Question
Break In Chinese YD100 no power
3 4 5
Replies
46
Views
6K
DAMIEN1307
DAMIEN1307
C
Break In Break in Secrets
3 4 5
Replies
44
Views
6K
Rogwarf
Rogwarf
KB_UK
  • Locked
Break In First time builder, engine won't idle, hard to start
3 4 5
Replies
42
Views
4K
xXNightRiderXx
X
Daedric_Angel
Break In Looking for tips, New Build
2 3 4
Replies
37
Views
3K
Daedric_Angel
Daedric_Angel
FurryOnTheInside
Break In First start attempts. Not even a pop or the crack of a spark
2 3 4
Replies
35
Views
2K
FurryOnTheInside
FurryOnTheInside
3
Break In How to properly break in a motor
2 3 4
Replies
32
Views
13K
furweider691
F
crowvise
Break In Break-in? should I stay under 15mph...
2 3 4
Replies
32
Views
6K
greguk
greguk
S
Break In Great score!...What is it??
2 3
Replies
29
Views
2K
DAMIEN1307
DAMIEN1307
G
Break In Only 25/miles on break in.......Mix 25:1 on 48cc slant head
2 3
Replies
27
Views
5K
srdavo
srdavo
Mickey112233
Break In Zeda 80 Firestorm
2 3
Replies
26
Views
3K
GW's Motorized
GW's Motorized
G
  • Locked
Break In Is it Absolutely Necessary to Break in my new Engine?
2 3
Replies
25
Views
18K
Frankenstein
Frankenstein
S
Break In Chinese Motor seized. [ break in speed - oil mixture ]
2 3
Replies
23
Views
8K
rcjunkie
R
I
Break In Break it in!
2 3
Replies
23
Views
6K
Mountainman
Mountainman
J
Break In Break In alternative
2 3
Replies
22
Views
6K
jwibbity
J
A
Break In New engine. wont start. Hard to pedal.
2 3
Replies
22
Views
4K
Arnold
A
Aikaru
  • Question
Break In Engine is still in break-in period but is experiencing some serious issues
2 3
Replies
22
Views
4K
Karl Snarl
Karl Snarl
B
Break In am i running my new engine too hard?
2 3
Replies
21
Views
20K
gator joe
G
M
Break In Oil leaking from sparkplug
2 3
Replies
21
Views
4K
Wevil Knievel
Wevil Knievel
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