Engine 17.4k topics

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

Help Identifying Mikuni Carbs

Category: Engine Topic started 02 Jun 2025 18:43, by PoMoFleet
432 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
5159 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
238 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
4187 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
339 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
188 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
296 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
193 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
396 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
667 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
222 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
302 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
317 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
630 Views
Last Post by Wookie58 06 May 2025 12:51
14 Replies

Valves

Category: Engine Topic started 30 Apr 2025 05:02, by Sullivan
776 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
1313 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
266 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
362 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
2151 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
396 Views
Last Post by Injected 01 May 2025 10:30
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