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
35.2k 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
29.2k 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
28.5k Views
Last Post by KZQ 18 Jun 2007 20:45
 
13 Replies

What would make a 1979 KZ750 Twin surge and sputter when it gets hot?

Category: Engine Topic started 01 May 2025 14:08, by AlexRocco
174 Views
Last Post by Michi Today 06:19
2 Replies

J motor Fitment

Category: Engine Topic started Yesterday 10:31, by Formula264
64 Views
Last Post by Wookie58 Yesterday 12:21
9 Replies

KZ750E involuntary engine service - advice needed

Category: Engine Topic started 10 Apr 2025 05:19, by r_lutece
258 Views
Last Post by Nessism Yesterday 11:05
10 Replies

Cylinder 1 dead, will not fire

Category: Engine Topic started 03 May 2025 06:09, by jstry11
84 Views
Last Post by Nessism 03 May 2025 15:22
0 Replies

87 KZ305 Spring Plate Pusher not springy

Category: Engine Topic started 02 May 2025 07:13, by Matratt3
47 Views
Last Post by Matratt3 02 May 2025 07:13
4 Replies

Starter clutch/chain issue?

Category: Engine Topic started 07 Apr 2025 08:34, by Michi
184 Views
Last Post by bluejacobs 02 May 2025 05:49
13 Replies

Valves

Category: Engine Topic started 30 Apr 2025 05:02, by Sullivan
237 Views
Last Post by Wookie58 02 May 2025 03:20
18 Replies

KZ305 - 305CSR - GPz305 oil flow modification

Category: Engine Topic started 18 May 2021 15:04, by ghostdive
1723 Views
Last Post by sf4t7 01 May 2025 22:11
9 Replies

Bad crank?

Category: Engine Topic started 30 Apr 2025 10:57, by Formula264
177 Views
Last Post by Injected 01 May 2025 10:30
3 Replies

KZ750 Four Cam Install Help

Category: Engine Topic started 29 Apr 2025 19:41, by SnyperX
88 Views
Last Post by Injected 30 Apr 2025 08:58
10 Replies

Rods

Category: Engine Topic started 28 Apr 2025 09:37, by Formula264
183 Views
Last Post by Injected 29 Apr 2025 09:06
3 Replies

1987 KZ305 Left and Right engine cover torque settings

Category: Engine Topic started 28 Apr 2025 10:22, by Matratt3
89 Views
Last Post by Matratt3 28 Apr 2025 13:04
9 Replies

750b starter chain

Category: Engine Topic started 27 Apr 2025 04:39, by Dan77kz750
144 Views
Last Post by Dan77kz750 28 Apr 2025 11:31
379 Replies

Piston Hole Kz1000LTD 1982

Category: Engine Topic started 04 Jan 2023 03:09, by cartal
39.5k Views
Last Post by Gdizard 27 Apr 2025 14:05
6 Replies

1000J Pistons

Category: Engine Topic started 23 Apr 2025 05:21, by MJinCO
160 Views
Last Post by zed1015 26 Apr 2025 06:34
55 Replies

Help with First Restart After Carb Rebuild

Category: Engine Topic started 05 Apr 2025 19:47, by SnyperX
957 Views
Last Post by Nessism 24 Apr 2025 18:58
2 Replies

Cam Tensioner Removal Need for Camshaft REmoval?

Category: Engine Topic started 24 Apr 2025 15:50, by SnyperX
94 Views
Last Post by JR 24 Apr 2025 16:40
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