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
37.5k 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
30.2k Views
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Last Post by KZQ 18 Jun 2007 20:45
 
39 Replies

Whelp! I found the problem.

Category: Engine Topic started 05 Jan 2026 01:47, by Stereordinary
2697 Views
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Last Post by Wookie58 Yesterday 14:05
54 Replies

Blown motor

Category: Engine Topic started 28 Jan 2026 06:55, by Larry G
2836 Views
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Last Post by rickysnicker 10 May 2026 07:35
2 Replies

Z1 Clutch Thrust Washer Location

Category: Engine Topic started 09 May 2026 13:40, by JT-NZ
73 Views
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Last Post by JT-NZ 09 May 2026 14:14
4 Replies

1000J Head Gasket not Fit

Category: Engine Topic started 03 May 2026 14:03, by MJinCO
195 Views
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Last Post by MJinCO 07 May 2026 17:49
14 Replies

GPz550 H1 EFI Conversion

Category: Engine Topic started 04 May 2026 03:45, by Fady
378 Views
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Last Post by Fady 06 May 2026 06:17
8 Replies

Slack somewhere in drivetrain 1100 shaft

Category: Engine Topic started 01 May 2026 03:49, by Legionnaire1856
190 Views
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Last Post by daveo 03 May 2026 20:00
5 Replies

Problem getting my 1975 KZ400s to start after doing a whole bunch of work to it

Category: Engine Topic started 24 Apr 2026 02:19, by bcfox0630
227 Views
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Last Post by bcfox0630 03 May 2026 18:09
28 Replies

Oil prime question

Category: Engine Topic started 29 Apr 2026 11:27, by lovethemkzs
541 Views
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Last Post by Wookie58 01 May 2026 12:03
110 Replies

What size Piston kit to run with Mr Turbo kit

Category: Engine Topic started 14 Aug 2016 05:16, by jumbulias
35.6k Views
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Last Post by jumbulias 30 Apr 2026 07:02
1 Replies

Clutch basket rebuild

Category: Engine Topic started 29 Apr 2026 02:30, by Wookie58
175 Views
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Last Post by Stusco 29 Apr 2026 05:39
6 Replies

Stupid question of the day !!

Category: Engine Topic started 27 Apr 2026 11:47, by Wookie58
278 Views
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Last Post by daveo 28 Apr 2026 09:42
8 Replies

Seized engine kz440

Category: Engine Topic started 25 Apr 2026 12:30, by KZfreely
237 Views
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Last Post by Wookie58 26 Apr 2026 11:29
8 Replies

Valve spring shims

Category: Engine Topic started 16 Apr 2026 03:38, by Wookie58
431 Views
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Last Post by Injected 21 Apr 2026 06:48
2 Replies

KZ440 crash damage - gearshifter

Category: Engine Topic started 15 Apr 2026 16:07, by Michi
245 Views
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Last Post by Michi 18 Apr 2026 09:29
26 Replies

Gpz1100 clutch

Category: Engine Topic started 04 Mar 2026 05:18, by Stusco
1327 Views
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Last Post by daveo 11 Apr 2026 07:45
3 Replies

Stripped Left hand lower engine mount please help!

Category: Engine Topic started 09 Apr 2026 03:55, by jamcamz1000
364 Views
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Last Post by slmjim+Z1BEBE 10 Apr 2026 06:29
105 Replies

Top-End Reassembly

Category: Engine Topic started 24 Oct 2025 00:16, by daveo
8680 Views
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Last Post by daveo 08 Apr 2026 18:09
5 Replies

85' GPz550 clutch is sticking...

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