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Forum
Technical Forums
Engine
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- Engine
Engine
17.5k topics
Camshaft, cylinder head, valves, cylinder block, pistons, exhaust, crankshaft, clutch, transmission, engine lubrication system, etc.
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48
Replies
ZX7/Z1 Oil Cooler
Category:
Engine
Topic started 18 Nov 2015 14:46, by
SWest
1
2
3
...
5
35.6k
Views
Last Post
by
SWest
28 Feb 2016 16:49
0
Replies
Tech Forum Rules
Category:
Engine
Topic started 18 Jun 2007 20:45, by
KZQ
29.8k
Views
Last Post
by
KZQ
18 Jun 2007 20:45
42
Replies
Blown motor
Category:
Engine
Topic started 28 Jan 2026 06:55, by
Larry G
1
2
3
4
637
Views
Last Post
by
daveo
Today 18:01
80
Replies
Terrible motor swap idea kz440
Category:
Engine
Topic started 22 Dec 2025 07:42, by
bound
1
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3
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7
1919
Views
Last Post
by
Wookie58
Yesterday 00:23
9
Replies
HELP!!!! Engine block fisured!!!!!
Category:
Engine
Topic started 02 Feb 2026 12:55, by
Ilfrid
233
Views
Last Post
by
daveo
04 Feb 2026 07:45
3
Replies
Porting the Z1 by Joe Hooper
Category:
Engine
Topic started 02 Feb 2026 14:45, by
KZQ
210
Views
Last Post
by
KZQ
04 Feb 2026 05:50
21
Replies
Piston rings set
Category:
Engine
Topic started 24 Sep 2025 14:00, by
Tjpgi
1
2
1954
Views
Last Post
by
Tjpgi
02 Feb 2026 10:58
7
Replies
Unusual cam wear
Category:
Engine
Topic started 30 Jan 2026 16:35, by
danam
168
Views
Last Post
by
asphalt900
02 Feb 2026 04:30
3
Replies
Cam chain tensioner play
Category:
Engine
Topic started 01 Feb 2026 14:22, by
danam
114
Views
Last Post
by
asphalt900
02 Feb 2026 04:18
92
Replies
Top-End Reassembly
Category:
Engine
Topic started 24 Oct 2025 00:16, by
daveo
1
2
3
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8
4654
Views
Last Post
by
zed1015
01 Feb 2026 12:58
4
Replies
Z1 Transmission Bearing
Category:
Engine
Topic started 30 Jan 2026 20:20, by
JT-NZ
176
Views
Last Post
by
Cra-z1
01 Feb 2026 09:33
9
Replies
ID me
Category:
Engine
Topic started 27 Dec 2025 23:18, by
Mr. E
388
Views
Last Post
by
Street Fighter LTD
31 Jan 2026 07:56
3
Replies
anyone familiar with Gemini exhausts?
Category:
Engine
Topic started 17 Dec 2005 20:57, by
MkII
2248
Views
Last Post
by
gd4now
30 Jan 2026 10:59
6
Replies
Slotted J cam sprockets
Category:
Engine
Topic started 29 Jan 2026 07:39, by
Wookie58
151
Views
Last Post
by
Wookie58
30 Jan 2026 00:27
20
Replies
Upgrading a KZ400 engine with 440 cylinders and oversize pistons
Category:
Engine
Topic started 28 Dec 2025 05:36, by
quantity
1
2
707
Views
Last Post
by
quantity
28 Jan 2026 15:36
3
Replies
Z1 Kickstart Cover
Category:
Engine
Topic started 24 Jan 2026 19:38, by
JT-NZ
175
Views
Last Post
by
JT-NZ
25 Jan 2026 23:12
11
Replies
Wiseco 810 piston rings
Category:
Engine
Topic started 11 Jan 2026 12:36, by
turboguzzi
292
Views
Last Post
by
turboguzzi
25 Jan 2026 01:49
16
Replies
Cam End Plugs + Stripped Valve Cover Threads
Category:
Engine
Topic started 05 Jan 2026 15:22, by
tobeerortobike
1
2
620
Views
Last Post
by
bry195
23 Jan 2026 17:20
11
Replies
One simple question
Category:
Engine
Topic started 13 Jan 2026 10:01, by
lovethemkzs
215
Views
Last Post
by
lovethemkzs
16 Jan 2026 11:03
13
Replies
650/750 engine in Z1 frame?
Category:
Engine
Topic started 12 Jan 2026 08:32, by
Sixten
1
2
476
Views
Last Post
by
sf4t7
13 Jan 2026 16:13
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