Engine 17.6k topics

Camshaft, cylinder head, valves, cylinder block, pistons, exhaust, crankshaft, clutch, transmission, engine lubrication system, etc.
48 Replies

ZX7/Z1 Oil Cooler

Category: Engine Topic started 18 Nov 2015 14:46, by SWest
36.8k Views
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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
30k Views
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Last Post by KZQ 18 Jun 2007 20:45
 
31 Replies

Whelp! I found the problem.

Category: Engine Topic started 05 Jan 2026 01:47, by Stereordinary
1600 Views
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Last Post by Daftrusty Yesterday 14:24
5 Replies

85' GPz550 clutch is sticking...

Category: Engine Topic started 04 Apr 2026 20:34, by bound
96 Views
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Last Post by bound 05 Apr 2026 18:40
6 Replies

1000J Head

Category: Engine Topic started 05 Apr 2026 06:04, by MJinCO
122 Views
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Last Post by zed1015 05 Apr 2026 13:00
18 Replies

cam/ignition timing

Category: Engine Topic started 01 Apr 2026 14:42, by rickysnicker
407 Views
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Last Post by rickysnicker 04 Apr 2026 16:51
4 Replies

Kawasaki 1979 KZ400 H-1 valve lash

Category: Engine Topic started 04 Apr 2026 10:39, by asphalt900
88 Views
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Last Post by bound 04 Apr 2026 14:33
23 Replies

KZ1000/1100 cam cap torque. error?

Category: Engine Topic started 02 May 2017 05:33, by martin_csr
4943 Views
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Last Post by sf4t7 04 Apr 2026 14:17
119 Replies

Terrible motor swap idea kz440

Category: Engine Topic started 22 Dec 2025 07:42, by bound
4913 Views
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Last Post by bound 04 Apr 2026 11:06
6 Replies

Old Crankcase Anyone?

Category: Engine Topic started 09 Mar 2026 11:56, by Trackz440
355 Views
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Last Post by Trackz440 02 Apr 2026 12:45
12 Replies

kz440 LTD kickstart

Category: Engine Topic started 29 Mar 2026 21:38, by Billeuze
316 Views
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Last Post by Wookie58 01 Apr 2026 03:11
5 Replies

KZ 1000J cam chain guides

Category: Engine Topic started 09 Mar 2026 16:20, by poptheclutch
300 Views
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Last Post by daveo 31 Mar 2026 18:27
27 Replies

Upgrading a KZ400 engine with 440 cylinders and oversize pistons

Category: Engine Topic started 28 Dec 2025 05:36, by quantity
1648 Views
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Last Post by quantity 30 Mar 2026 11:39
10 Replies

Which Side Faces Up?

Category: Engine Topic started 17 Mar 2026 20:10, by daveo
337 Views
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Last Post by asphalt900 29 Mar 2026 04:48
19 Replies

clutch won't disengage- cant adjust enough?

Category: Engine Topic started 02 Nov 2015 02:28, by Lord_Verminaard
6646 Views
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Last Post by menno_kz700 27 Mar 2026 13:39
23 Replies

KZ650 Engine start troubleshooting

Category: Engine Topic started 08 Mar 2026 14:45, by Rideallyear
747 Views
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Last Post by TexasKZ 26 Mar 2026 22:13
10 Replies

Sorry, need some help again

Category: Engine Topic started 18 Mar 2026 16:25, by rickysnicker
327 Views
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Last Post by Wookie58 24 Mar 2026 06:48
8 Replies

Z1 Cam Chain Idler Gear Bearings

Category: Engine Topic started 19 Mar 2026 21:01, by JT-NZ
281 Views
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Last Post by JT-NZ 23 Mar 2026 13:51
14 Replies

Valve shims

Category: Engine Topic started 12 Mar 2026 06:42, by rickysnicker
583 Views
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Last Post by rickysnicker 23 Mar 2026 06:30
5 Replies

Piston

Category: Engine Topic started 20 Mar 2026 12:12, by lovethemkzs
209 Views
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Last Post by daveo 20 Mar 2026 18:51
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