Engine 17.6k topics

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

1975 Z1 Cam and chain alignment

Category: Engine Topic started 06 Mar 2026 13:26, by danam
186 Views
Last Post by SWest 06 Mar 2026 20:18
0 Replies

1976 KZ900 LTD Gas TAnk

Category: Engine Topic started 06 Mar 2026 05:03, by darlington
131 Views
Last Post by darlington 06 Mar 2026 05:03
7 Replies

Metallic rattling noise w/ video

Category: Engine Topic started 05 Mar 2026 06:39, by CB82
199 Views
Last Post by kevski 06 Mar 2026 01:21
26 Replies

Upgrading a KZ400 engine with 440 cylinders and oversize pistons

Category: Engine Topic started 28 Dec 2025 05:36, by quantity
1415 Views
Last Post by quantity 05 Mar 2026 20:03
3 Replies

Z1 / Z1000 Cam Caps & Bearings

Category: Engine Topic started 23 Feb 2026 22:42, by JT-NZ
198 Views
Last Post by JT-NZ 24 Feb 2026 00:35
2 Replies

Engine Cleaning

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

Improved Crankcase Venting

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

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

Category: Engine Topic started 02 Feb 2026 12:55, by Ilfrid
486 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
578 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
673 Views
Last Post by Wookie58 15 Feb 2026 00:46
6 Replies

Circlips

Category: Engine Topic started 14 Feb 2026 12:14, by lovethemkzs
212 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
264 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
1134 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
280 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
1863 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
304 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
235 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
456 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
2373 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
301 Views
Last Post by asphalt900 02 Feb 2026 04:30
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