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Heads and Cylinders
All about your porting, compression, rings, cylinder and piston modifications to your bicycles engine
Forums
Motorized Bicycle Mechanical Components
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M
can this motor be repaired?
mosesdepina
May 6, 2013
Replies
3
Views
1,404
May 6, 2013
nightcruiser
N
F
Slant cylinder head vs. strait cylinder head
Frogster
Jan 18, 2013
2
3
Replies
43
Views
12,197
Apr 29, 2013
chevelle454
C
TQ specks?
Scott.D.Lang
Apr 27, 2013
Replies
1
Views
1,439
Apr 28, 2013
maniac57
R
cylnder head laping/ flating
rich4240
Dec 7, 2012
Replies
8
Views
4,327
Apr 27, 2013
Scott.D.Lang
cutting piston skirt... even more??
mew905
Nov 3, 2012
Replies
12
Views
19,076
Apr 27, 2013
Scott.D.Lang
T
98cc Haad Gaskets
twalsh341
Apr 12, 2013
Replies
7
Views
1,509
Apr 15, 2013
twalsh341
T
B
Installed puch head, now cant get it to run well...
borntofli
Apr 3, 2013
Replies
12
Views
2,901
Apr 13, 2013
SuperDave
possibly good head...
Moto
Mar 21, 2013
Replies
14
Views
4,241
Mar 29, 2013
Moto
L
shorter head on 66ht
Legwon
Mar 23, 2013
Replies
6
Views
1,727
Mar 27, 2013
fx-2
Puch head on a 66cc HT bicycle engine with 6mm studs
maurtis
May 17, 2012
6
7
8
Replies
147
Views
38,263
Mar 23, 2013
maniac57
Piston needle bearings vs bushings?
Risingsunn
Mar 8, 2013
2
Replies
22
Views
6,546
Mar 18, 2013
Toadmund
Spark Plugs???
Sideshowbob
Jan 8, 2011
Replies
15
Views
18,277
Mar 2, 2013
Trey
O
size of puch head
obesepolice
Dec 9, 2012
Replies
6
Views
2,477
Feb 28, 2013
Frogster
F
Top end rebuild
"the prussian" Shop Dogs
Dec 21, 2012
Replies
14
Views
3,801
Feb 25, 2013
"the prussian" Shop Dogs
Double Jug Gasket???
SuperDave
Feb 15, 2013
Replies
3
Views
1,349
Feb 15, 2013
maniac57
B
Loss of power when engine hot...
borntofli
Feb 8, 2013
Replies
5
Views
2,701
Feb 12, 2013
2door
Locked
High Compression Head
Salvor6
Jan 31, 2013
Replies
10
Views
2,584
Feb 2, 2013
2door
B
PC high compression head piston sound like its hitting the head
BMS420
Jan 9, 2013
Replies
12
Views
6,825
Jan 31, 2013
Salvor6
Needing spare parts, Please help
Deiseldave
Dec 12, 2012
Replies
6
Views
1,353
Dec 12, 2012
Deiseldave
Compression Question
Deiseldave
Dec 10, 2012
Replies
8
Views
1,637
Dec 10, 2012
moonerdizzle
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Forums
Motorized Bicycle Mechanical Components
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