Engine 17.5k 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
36.1k 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
29.9k Views
Last Post by KZQ 18 Jun 2007 20:45
 
3 Replies

Z1 / Z1000 Cam Caps & Bearings

Category: Engine Topic started Yesterday 22:42, by JT-NZ
65 Views
Last Post by JT-NZ Yesterday 00:35
2 Replies

Engine Cleaning

Category: Engine Topic started 21 Feb 2026 18:07, by daveo
166 Views
Last Post by daveo 23 Feb 2026 15:58
89 Replies

Terrible motor swap idea kz440

Category: Engine Topic started 22 Dec 2025 07:42, by bound
2781 Views
Last Post by Wookie58 21 Feb 2026 11:29
19 Replies

Improved Crankcase Venting

Category: Engine Topic started 18 Feb 2026 17:48, by diamondnik
338 Views
Last Post by Street Fighter LTD 21 Feb 2026 09:47
102 Replies

Top-End Reassembly

Category: Engine Topic started 24 Oct 2025 00:16, by daveo
5812 Views
Last Post by daveo 19 Feb 2026 21:37
10 Replies

HELP!!!! Engine block fisured!!!!!

Category: Engine Topic started 02 Feb 2026 12:55, by Ilfrid
402 Views
Last Post by daveo 17 Feb 2026 19:33
10 Replies

ID me

Category: Engine Topic started 27 Dec 2025 23:18, by Mr. E
525 Views
Last Post by urankjj 16 Feb 2026 15:30
12 Replies

Cam cap dowels

Category: Engine Topic started 07 Feb 2026 12:51, by danam
461 Views
Last Post by Wookie58 15 Feb 2026 00:46
6 Replies

Circlips

Category: Engine Topic started 14 Feb 2026 12:14, by lovethemkzs
135 Views
Last Post by sf4t7 14 Feb 2026 17:18
2 Replies

Points and condensers

Category: Engine Topic started 12 Feb 2026 07:03, by Saioro
199 Views
Last Post by slmjim+Z1BEBE 13 Feb 2026 16:55
23 Replies

Cam End Plugs + Stripped Valve Cover Threads

Category: Engine Topic started 05 Jan 2026 15:22, by tobeerortobike
888 Views
Last Post by tobeerortobike 12 Feb 2026 11:13
4 Replies

Z900 cam box cover

Category: Engine Topic started 09 Feb 2026 10:12, by Andyp62
218 Views
Last Post by Andyp62 11 Feb 2026 06:09
52 Replies

Blown motor

Category: Engine Topic started 28 Jan 2026 06:55, by Larry G
1402 Views
Last Post by Wookie58 10 Feb 2026 10:06
5 Replies

Cam cover caps

Category: Engine Topic started 07 Feb 2026 06:08, by kznutter
238 Views
Last Post by TexasKZ 08 Feb 2026 11:24
3 Replies

Oil expander ring question

Category: Engine Topic started 06 Feb 2026 13:35, by Tjpgi
167 Views
Last Post by asphalt900 07 Feb 2026 05:04
3 Replies

Porting the Z1 by Joe Hooper

Category: Engine Topic started 02 Feb 2026 14:45, by KZQ
366 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
2199 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
247 Views
Last Post by asphalt900 02 Feb 2026 04:30
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