Engine

48 Replies

ZX7/Z1 Oil Cooler

Category: Engine Topic started 18 Nov 2015 14:46, by SWest

40.5k 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

30.7k Views

Last Post by KZQ 18 Jun 2007 20:45

4 Replies

1979 KZ650 B3 valve clearances

Category: Engine Topic started Yesterday 19:38, by Vietvet

77 Views

Last Post by Nessism Today 05:37

8 Replies

Porting the Z1 by Joe Hooper

Category: Engine Topic started 02 Feb 2026 14:45, by KZQ

1028 Views

Last Post by Wookie58 Today 03:15

39 Replies

stopping gasket leaks

Category: Engine Topic started 23 Jun 2026 09:30, by dewy0823

1
2
3
4

2435 Views

Last Post by RonKZ650 06 Nov 2026 20:35

6 Replies

Oil cooler for GPZ1100B1 1981/82

Category: Engine Topic started 05 Nov 2026 16:41, by Bozo

143 Views

Last Post by Kelly E 06 Nov 2026 11:00

13 Replies

Can't Find My Box of Valve Shims. '81 GPz550

Category: Engine Topic started 30 Oct 2026 17:33, by chopper1963

1
2

387 Views

Last Post by chopper1963 05 Nov 2026 10:10

7 Replies

Drive for now or rebuild the top end?

Category: Engine Topic started 01 Nov 2026 13:25, by LTDflyer1000

241 Views

Last Post by LTDflyer1000 04 Nov 2026 17:27

3 Replies

Crack near sparkplug, does this happen to bathtub head?

Category: Engine Topic started 03 Nov 2026 05:41, by Andre G.

195 Views

Last Post by zed1015 04 Nov 2026 09:31

31 Replies

Head match

Category: Engine Topic started 13 Sep 2026 15:35, by lovethemkzs

1
2
3

1005 Views

Last Post by TexasKZ 01 Nov 2026 19:36

7 Replies

Should this oil be used, or recycled?

Category: Engine Topic started 30 Oct 2026 19:03, by daveo

225 Views

Last Post by TexasKZ 01 Nov 2026 11:41

8 Replies

Cam identification

Category: Engine Topic started 27 Mar 2023 10:16, by Mikaw

2191 Views

Last Post by Andre G. 01 Nov 2026 07:02

36 Replies

Seized engine kz440

Category: Engine Topic started 25 Apr 2026 12:30, by KZfreely

1
2
3
4

2466 Views

Last Post by KZfreely 27 Oct 2026 18:59

5 Replies

GPZ550/615 frame off restoration clutch slipping after power up

Category: Engine Topic started 25 Oct 2026 12:32, by 577nitro

194 Views

Last Post by Daftrusty 26 Oct 2026 13:04

1 Replies

1982 KZ1000LTD

Category: Engine Topic started 25 Oct 2026 07:32, by rickysnicker

153 Views

Last Post by bound 26 Oct 2026 08:13

2 Replies

Inner and outer valve springs clearance

Category: Engine Topic started 25 Oct 2026 05:21, by Sixten

160 Views

Last Post by Sixten 25 Oct 2026 13:39

29 Replies

Runaway Idle

Category: Engine Topic started 20 Sep 2026 17:43, by Mlodge

1
2
3

1029 Views

Last Post by 577nitro 21 Oct 2026 10:12

57 Replies

Whelp! I found the problem.

Category: Engine Topic started 05 Jan 2026 01:47, by Stereordinary

5408 Views

Last Post by Stereordinary 18 Oct 2026 09:09

1 Replies

Should I oil the bores or not

Category: Engine Topic started 17 Oct 2026 15:00, by Vietvet

208 Views

Last Post by zed1015 17 Oct 2026 15:13

27 Replies

Z1 plunger replacement

Category: Engine Topic started 01 Sep 2026 17:37, by 73z1

1
2
3

1408 Views

Last Post by Rolf1976_KZ900 17 Oct 2026 03:38

Engine 17.6k topics