Engine 17.4k topics

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

All of a sudden cylinder base gasket leaking oil at both front corners...

Category: Engine Topic started 02 Nov 2022 10:17, by ken19
3265 Views
Last Post by ken19 03 Dec 2022 10:08
0 Replies

Valve head diameters, 1980 KZ750/4

Category: Engine Topic started 30 Nov 2022 17:04, by Kubik
672 Views
Last Post by Kubik 30 Nov 2022 17:04
17 Replies

Valve shim chart

Category: Engine Topic started 08 Jul 2017 19:41, by SWest
8922 Views
Last Post by Dr. Gamma 30 Nov 2022 15:36
11 Replies

Cleaning corrosion and prevention

Category: Engine Topic started 27 Nov 2022 11:00, by ThatGPzGuy
1236 Views
Last Post by hardrockminer 29 Nov 2022 04:28
7 Replies

Reusing O-rings

Category: Engine Topic started 26 Nov 2022 10:25, by daveo
1305 Views
Last Post by DFIGPZ 28 Nov 2022 12:50
25 Replies

Question on KZ650 Cyclinders

Category: Engine Topic started 07 Nov 2022 17:05, by 577nitro
4181 Views
Last Post by 577nitro 14 Nov 2022 12:13
29 Replies

KZ650. Crossed wires and engine out of phase?

Category: Engine Topic started 11 Nov 2022 11:37, by ShaneDude
4352 Views
Last Post by Nerdy 13 Nov 2022 13:17
15 Replies

Growing more and more frustration due to breaking iron valve guides on install

Category: Engine Topic started 24 Oct 2022 16:48, by Gdailey2112
3115 Views
Last Post by Gdailey2112 11 Nov 2022 16:09
15 Replies

1982 kz 750e starter upgrade?

Category: Engine Topic started 04 Nov 2022 07:57, by Ricco86
3148 Views
Last Post by Ricco86 10 Nov 2022 16:48
6 Replies

1981 kz1000 idle issues

Category: Engine Topic started 09 Nov 2022 14:56, by jpacewic
1197 Views
Last Post by TexasKZ 10 Nov 2022 14:45
35 Replies

77 KZ650. 2 Cold Pipes, Good Spark, Dreading Carb removal.

Category: Engine Topic started 27 Oct 2022 13:32, by ShaneDude
3597 Views
Last Post by Wookie58 09 Nov 2022 06:35
13 Replies

Mikuni Jets Question: KZ650 / where to buy /O-rings

Category: Engine Topic started 07 Nov 2022 11:25, by ShaneDude
2404 Views
Last Post by Mikaw 08 Nov 2022 08:38
2 Replies

Cam Chain

Category: Engine Topic started 03 Nov 2022 00:21, by sekhon9
1173 Views
Last Post by sekhon9 06 Nov 2022 03:04
0 Replies

when is it time to go oversized on valve guides?

Category: Engine Topic started 05 Nov 2022 13:56, by Gdailey2112
715 Views
Last Post by Gdailey2112 05 Nov 2022 13:56
20 Replies

going oversize

Category: Engine Topic started 03 Nov 2022 08:06, by 82KZ305Belt
2897 Views
Last Post by Nerdy 04 Nov 2022 20:35
17 Replies

Clutch or clutch cable problem ?

Category: Engine Topic started 25 Oct 2022 11:24, by Perra
3211 Views
Last Post by Perra 02 Nov 2022 06:01
19 Replies

Seafoam

Category: Engine Topic started 29 Oct 2022 13:53, by gordone
3631 Views
Last Post by daveo 01 Nov 2022 21:19
3 Replies

81 kz305 valve adjustment makes extreme differance

Category: Engine Topic started 31 Oct 2022 19:11, by ckahleer
785 Views
Last Post by ckahleer 01 Nov 2022 20:52
45 Replies

Full engine rebuilder suggestions

Category: Engine Topic started 21 Oct 2022 21:27, by B_Moore
6350 Views
Last Post by Wookie58 31 Oct 2022 15:42
3 Replies

Tacho gear

Category: Engine Topic started 29 Oct 2022 14:08, by gordone
1074 Views
Last Post by gordone 31 Oct 2022 15:23
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