Engine 17.5k 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
36.3k 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
29.9k Views
Last Post by KZQ 18 Jun 2007 20:45
 
0 Replies

KZ 1000J cam chain guides

Category: Engine Topic started Yesterday 16:20, by poptheclutch
9 Views
Last Post by poptheclutch Yesterday 16:20
109 Replies

Terrible motor swap idea kz440

Category: Engine Topic started 22 Dec 2025 07:42, by bound
3324 Views
Last Post by bound Yesterday 13:48
0 Replies

Old Crankcase Anyone?

Category: Engine Topic started Yesterday 11:56, by Trackz440
22 Views
Last Post by Trackz440 Yesterday 11:56
2 Replies

KZ650 Engine start troubleshooting

Category: Engine Topic started 08 Mar 2026 14:45, by Rideallyear
48 Views
Last Post by Rideallyear Yesterday 18:41
3 Replies

Camshaft cover gasket

Category: Engine Topic started 08 Mar 2026 07:09, by kznutter
51 Views
Last Post by MFP-Joe 08 Mar 2026 12:50
10 Replies

Bad oil leak

Category: Engine Topic started 28 Nov 2025 11:53, by Legionnaire1856
502 Views
Last Post by Wookie58 08 Mar 2026 07:40
3 Replies

Engine fitting

Category: Engine Topic started 07 Mar 2026 01:09, by Stusco
81 Views
Last Post by Kelly E 07 Mar 2026 16:43
2 Replies

Wha on earth has someone done to my starter gear hole?

Category: Engine Topic started 07 Mar 2026 06:45, by Legionnaire1856
102 Views
Last Post by DoctoRot 07 Mar 2026 15:42
4 Replies

Should I replace this damaged alternator magnet?

Category: Engine Topic started 07 Mar 2026 06:51, by Legionnaire1856
84 Views
Last Post by TexasKZ 07 Mar 2026 10:59
5 Replies

1975 Z1 Cam and chain alignment

Category: Engine Topic started 06 Mar 2026 13:26, by danam
105 Views
Last Post by SWest 06 Mar 2026 20:18
0 Replies

1976 KZ900 LTD Gas TAnk

Category: Engine Topic started 06 Mar 2026 05:03, by darlington
69 Views
Last Post by darlington 06 Mar 2026 05:03
7 Replies

Metallic rattling noise w/ video

Category: Engine Topic started 05 Mar 2026 06:39, by CB82
133 Views
Last Post by kevski 06 Mar 2026 01:21
26 Replies

Upgrading a KZ400 engine with 440 cylinders and oversize pistons

Category: Engine Topic started 28 Dec 2025 05:36, by quantity
1209 Views
Last Post by quantity 05 Mar 2026 20:03
18 Replies

Gpz1100 clutch

Category: Engine Topic started 04 Mar 2026 05:18, by Stusco
202 Views
Last Post by Wookie58 05 Mar 2026 04:59
3 Replies

Z1 / Z1000 Cam Caps & Bearings

Category: Engine Topic started 23 Feb 2026 22:42, by JT-NZ
156 Views
Last Post by JT-NZ 24 Feb 2026 00:35
2 Replies

Engine Cleaning

Category: Engine Topic started 21 Feb 2026 18:07, by daveo
261 Views
Last Post by daveo 23 Feb 2026 15:58
19 Replies

Improved Crankcase Venting

Category: Engine Topic started 18 Feb 2026 17:48, by diamondnik
500 Views
Last Post by Street Fighter LTD 21 Feb 2026 09:47
102 Replies

Top-End Reassembly

Category: Engine Topic started 24 Oct 2025 00:16, by daveo
6232 Views
Last Post by daveo 19 Feb 2026 21:37
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