Engine 17.5k topics

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

J motor Fitment

Category: Engine Topic started 04 May 2025 10:31, by Formula264
1046 Views
Last Post by Wookie58 06 May 2025 12:51
14 Replies

Valves

Category: Engine Topic started 30 Apr 2025 05:02, by Sullivan
1203 Views
Last Post by Sullivan 05 May 2025 14:21
14 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
1790 Views
Last Post by AlexRocco 05 May 2025 08:56
10 Replies

Cylinder 1 dead, will not fire

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

Starter clutch/chain issue?

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

KZ305 - 305CSR - GPz305 oil flow modification

Category: Engine Topic started 18 May 2021 15:04, by ghostdive
2569 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
650 Views
Last Post by Injected 01 May 2025 10:30
10 Replies

Rods

Category: Engine Topic started 28 Apr 2025 09:37, by Formula264
530 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
388 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
437 Views
Last Post by Dan77kz750 28 Apr 2025 11:31
6 Replies

1000J Pistons

Category: Engine Topic started 23 Apr 2025 05:21, by MJinCO
404 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
2593 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
346 Views
Last Post by JR 24 Apr 2025 16:40
20 Replies

Cyl 1 issue

Category: Engine Topic started 10 Apr 2025 19:55, by jstry11
989 Views
Last Post by jstry11 23 Apr 2025 15:15
5 Replies

1974 Kz 400 Valve ajustmet plugs

Category: Engine Topic started 21 Apr 2025 07:16, by Newsman
395 Views
Last Post by Nerdy 23 Apr 2025 12:19
4 Replies

650/750 starter compatability

Category: Engine Topic started 18 Apr 2025 18:41, by BobZ
449 Views
Last Post by H1Vindicator 21 Apr 2025 08:00
29 Replies

Oil Coolers

Category: Engine Topic started 06 Mar 2021 07:35, by KennyJ
5608 Views
Last Post by zed1015 15 Apr 2025 01:10
2 Replies

Clip on throttle cable

Category: Engine Topic started 07 Apr 2025 20:01, by gixxerkidd03
530 Views
Last Post by Scirocco 08 Apr 2025 15:25
8 Replies

Experience with engine parts / piston kit from Cruzinimage in Japan …

Category: Engine Topic started 31 Mar 2025 02:16, by increasing
649 Views
Last Post by increasing 06 Apr 2025 22:33
13 Replies

Swapping Cylinder Head Nuts

Category: Engine Topic started 27 Mar 2025 09:58, by daveo
1147 Views
Last Post by Kaw-boy 900 04 Apr 2025 16:47
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