Engine 17.4k topics

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

no start after new rings - zephyr 550

Category: Engine Topic started 31 May 2025 15:05, by Zaddict
605 Views
Last Post by hardrockminer 23 Jun 2025 14:38
39 Replies

KZ750 Four Cam Install Help

Category: Engine Topic started 29 Apr 2025 19:41, by SnyperX
1006 Views
Last Post by SnyperX 19 Jun 2025 19:02
13 Replies

KZ750E involuntary engine service - advice needed

Category: Engine Topic started 10 Apr 2025 05:19, by r_lutece
761 Views
Last Post by TexasKZ 16 Jun 2025 06:00
90 Replies

KZ900 valve shims Machining

Category: Engine Topic started 24 Jan 2025 12:42, by Kaw-boy 900
4108 Views
Last Post by Kaw-boy 900 10 Jun 2025 09:26
2 Replies

1974 Kz 400 Clutch friction plates replacement

Category: Engine Topic started 07 Jun 2025 04:37, by Newsman
111 Views
Last Post by Newsman 07 Jun 2025 06:49
5 Replies

GPz1100 Valve Cover Removal

Category: Engine Topic started 05 Jun 2025 02:35, by ayeckley
204 Views
Last Post by ayeckley 06 Jun 2025 21:59
12 Replies

Help Identifying Mikuni Carbs

Category: Engine Topic started 02 Jun 2025 18:43, by PoMoFleet
514 Views
Last Post by PoMoFleet 04 Jun 2025 12:32
25 Replies

Z1R Mk2 D3 Crankcase damage

Category: Engine Topic started 14 Apr 2020 19:17, by Marky2
5218 Views
Last Post by Marky2 03 Jun 2025 15:41
4 Replies

gpz1100 unitrack oil level sensor

Category: Engine Topic started 17 May 2025 13:32, by JohnA
249 Views
Last Post by JohnA 26 May 2025 08:20
8 Replies

84 GPz1100 cam timing

Category: Engine Topic started 27 Nov 2009 07:21, by txturbo
4210 Views
Last Post by michellehillier13 26 May 2025 07:18
8 Replies

Ticking noise

Category: Engine Topic started 22 May 2025 19:28, by Aragone79
360 Views
Last Post by Aragone79 24 May 2025 12:27
9 Replies

1000rx head and barrels to 900r

Category: Engine Topic started 23 May 2025 01:15, by shamal
205 Views
Last Post by Bloobaba 23 May 2025 12:34
7 Replies

Axel length gear shifter

Category: Engine Topic started 17 May 2025 09:46, by gordone
316 Views
Last Post by gordone 18 May 2025 22:22
3 Replies

What was the last air-cooled in-line 4 from Big K?

Category: Engine Topic started 17 May 2025 11:29, by chopper1963
209 Views
Last Post by H1Vindicator 17 May 2025 12:36
9 Replies

Valve guide seal replacement without head removal

Category: Engine Topic started 13 May 2025 04:46, by Bozo
437 Views
Last Post by Bozo 13 May 2025 17:17
17 Replies

KZ305 Cam Shaft Seal Leaking

Category: Engine Topic started 03 Mar 2025 12:33, by Matratt3
708 Views
Last Post by Matratt3 12 May 2025 08:49
2 Replies

Do I need a cylinder reserve or a rebore

Category: Engine Topic started 09 May 2025 14:57, by Tjpgi
237 Views
Last Post by Tjpgi 09 May 2025 15:27
4 Replies

87 KZ305 Spring Plate Pusher not springy

Category: Engine Topic started 02 May 2025 07:13, by Matratt3
321 Views
Last Post by Matratt3 07 May 2025 16:56
4 Replies

Z1000J Output Shaft Collar

Category: Engine Topic started 05 May 2025 23:15, by Glenn_22
353 Views
Last Post by Glenn_22 06 May 2025 15:22
14 Replies

J motor Fitment

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