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
40.2k 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
30.6k Views
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Last Post by KZQ 18 Jun 2007 20:45
 
1 Replies

engine oil

Category: Engine Topic started Yesterday 09:33, by hydrolazer
46 Views
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Last Post by ckahleer Today 19:21
36 Replies

Seized engine kz440

Category: Engine Topic started 25 Apr 2026 12:30, by KZfreely
2147 Views
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Last Post by KZfreely Today 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
93 Views
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Last Post by Daftrusty 26 Oct 2026 13:04
1 Replies

1982 KZ1000LTD

Category: Engine Topic started 25 Oct 2026 07:32, by rickysnicker
75 Views
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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
78 Views
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Last Post by Sixten 25 Oct 2026 13:39
37 Replies

stopping gasket leaks

Category: Engine Topic started 23 Jun 2026 09:30, by dewy0823
2062 Views
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Last Post by ckahleer 23 Oct 2026 08:17
29 Replies

Runaway Idle

Category: Engine Topic started 20 Sep 2026 17:43, by Mlodge
802 Views
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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
5133 Views
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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
135 Views
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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
1208 Views
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Last Post by Rolf1976_KZ900 17 Oct 2026 03:38
11 Replies

questions for fabricating an exhaust

Category: Engine Topic started 12 Oct 2026 09:01, by bound
316 Views
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Last Post by daveo 16 Oct 2026 01:49
5 Replies

selector forks

Category: Engine Topic started 12 Oct 2026 00:21, by Vietvet
129 Views
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Last Post by Injected 12 Oct 2026 09:14
4 Replies

Assembling the split cases

Category: Engine Topic started 08 Oct 2026 23:53, by Vietvet
192 Views
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Last Post by Vietvet 10 Oct 2026 14:55
33 Replies

Joe Hooper (Pit Stop Performance) recommendations for camshaft tuning.

Category: Engine Topic started 30 Sep 2026 10:52, by v.f.
826 Views
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Last Post by v.f. 09 Oct 2026 08:37
11 Replies

aluminum valve spring retainers

Category: Engine Topic started 25 Sep 2026 12:12, by v.f.
320 Views
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Last Post by daveo 05 Oct 2026 20:33
15 Replies

Multiple screws snapped inside the block

Category: Engine Topic started 26 Sep 2026 10:56, by 650fromHELL
526 Views
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Last Post by bound 30 Sep 2026 08:12
13 Replies

'77 KZ650 Shifting Problems

Category: Engine Topic started 15 Sep 2026 07:32, by Trackz440
492 Views
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Last Post by Trackz440 29 Sep 2026 17:00
3 Replies

KZ750 E1 engine strip down

Category: Engine Topic started 19 Sep 2026 07:18, by philmountains
266 Views
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Last Post by philmountains 20 Sep 2026 03:50
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