Engine 17.4k topics

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

Valve adjustment Z1/KZ 1000

Category: Engine Topic started 16 May 2017 20:50, by SWest
34.5k Views
Last Post by xstreamcanadian 14 May 2024 13:04
49 Replies

ZX7/Z1 Oil Cooler

Category: Engine Topic started 18 Nov 2015 14:46, by SWest
28.5k 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
28.4k Views
Last Post by KZQ 18 Jun 2007 20:45
 
74 Replies

KZ900 valve shims Machining

Category: Engine Topic started 24 Jan 2025 12:42, by Kaw-boy 900
1841 Views
Last Post by MFP-Joe 24 Mar 2025 05:51
3 Replies

Honing cam bushings

Category: Engine Topic started 23 Mar 2025 15:13, by sflaZ1T
92 Views
Last Post by asphalt900 24 Mar 2025 03:17
24 Replies

Oil Coolers

Category: Engine Topic started 06 Mar 2021 07:35, by KennyJ
3833 Views
Last Post by sflaZ1T 23 Mar 2025 15:36
13 Replies

Q's about proposed KZ750 EFI turbo engine

Category: Engine Topic started 19 Mar 2025 20:38, by Dunemaster
222 Views
Last Post by Saablord 23 Mar 2025 10:39
13 Replies

Low compression across all cylinders

Category: Engine Topic started 21 Mar 2025 11:52, by Hutch03
190 Views
Last Post by H1Vindicator 23 Mar 2025 08:23
8 Replies

Yoshimura pistons in a Z1

Category: Engine Topic started 02 Mar 2025 16:33, by sf4t7
311 Views
Last Post by sf4t7 22 Mar 2025 15:41
1 Replies

Mis matched cam caps / head

Category: Engine Topic started 22 Mar 2025 07:49, by sflaZ1T
22 Views
Last Post by sflaZ1T 22 Mar 2025 07:49
2 Replies

How to remove chain cover from 1976 KZ400?

Category: Engine Topic started 18 Mar 2025 16:44, by hschanke
72 Views
Last Post by hschanke 19 Mar 2025 16:05
11 Replies

Help! KZ400 oil leak (1976)

Category: Engine Topic started 17 Nov 2024 14:19, by ThatYeti
634 Views
Last Post by Nerdy 19 Mar 2025 07:30
12 Replies

Timing Chain

Category: Engine Topic started 12 Mar 2025 13:05, by Deon
287 Views
Last Post by Billeuze 18 Mar 2025 23:19
6 Replies

Oil leak

Category: Engine Topic started 18 Mar 2025 01:42, by Andyp62
121 Views
Last Post by Andyp62 18 Mar 2025 13:02
108 Replies

What size Piston kit to run with Mr Turbo kit

Category: Engine Topic started 14 Aug 2016 05:16, by jumbulias
27.1k Views
Last Post by Street Fighter LTD 18 Mar 2025 06:07
3 Replies

Early/Late Model Zephyr 550 Cam Chain Tensioner Interchangeability

Category: Engine Topic started 17 Mar 2025 12:38, by Stereordinary
99 Views
Last Post by hugo 18 Mar 2025 01:45
1 Replies

400 Primary Chain Cover Wear Mystery

Category: Engine Topic started 16 Mar 2025 13:33, by TombstoneTom
112 Views
Last Post by TexasKZ 16 Mar 2025 14:52
10 Replies

KZ305 Cam Shaft Seal Leaking

Category: Engine Topic started 03 Mar 2025 12:33, by Matratt3
187 Views
Last Post by Matratt3 15 Mar 2025 11:23
9 Replies

Can’t get it running 😔

Category: Engine Topic started 12 Mar 2025 12:18, by Larsson
213 Views
Last Post by Injected 14 Mar 2025 07:41
13 Replies

Z1 timing vs compression question

Category: Engine Topic started 09 Mar 2025 05:05, by sf4t7
416 Views
Last Post by hardrockminer 10 Mar 2025 17:14
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