Engine 17.4k topics

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

Cylinder scoring

Category: Engine Topic started 10 Feb 2024 12:15, by stinkfinger
3583 Views
Last Post by Bcot 19 Feb 2024 02:50
12 Replies

Stripped cylinder bolt hole

Category: Engine Topic started 31 Jan 2024 14:35, by stinkfinger
3267 Views
Last Post by stinkfinger 17 Feb 2024 19:03
7 Replies

Exhaust cross over pipe on KZ750 twin

Category: Engine Topic started 11 Feb 2024 02:57, by Bounce
1074 Views
Last Post by Bounce 16 Feb 2024 06:11
8 Replies

Seeking input on severe crankwalk issue.

Category: Engine Topic started 03 Feb 2024 18:00, by RGBGuy
1543 Views
Last Post by daveo 14 Feb 2024 15:11
52 Replies

6-speed Transmission Swap Instructions

Category: Engine Topic started 28 Nov 2017 07:17, by Daftrusty
24.9k Views
Last Post by Wookie58 11 Feb 2024 10:48
9 Replies

1000J Oil Temperature

Category: Engine Topic started 08 Feb 2024 09:56, by MJinCO
1120 Views
Last Post by Nessism 09 Feb 2024 07:12
2 Replies

Heavy clutch on 1973 Z1

Category: Engine Topic started 08 Feb 2024 07:10, by Totaldirtbag
946 Views
Last Post by asphalt900 08 Feb 2024 09:16
11 Replies

Z1 Engine Seal Kits

Category: Engine Topic started 04 Feb 2024 16:51, by sdinse
1313 Views
Last Post by asphalt900 08 Feb 2024 07:15
8 Replies

Different models and years starter motor compatibility for 91 zr750c1

Category: Engine Topic started 07 Feb 2024 02:49, by Robby2894
1016 Views
Last Post by Robby2894 07 Feb 2024 17:23
11 Replies

Replacement of efi with rv34 carbs. What to do with EFI wiring?

Category: Engine Topic started 04 Jan 2024 14:27, by Spaghettijet
1537 Views
Last Post by slayer61 05 Feb 2024 08:16
9 Replies

Compression Test Error?

Category: Engine Topic started 03 Feb 2024 14:15, by ajsfirehawk
841 Views
Last Post by sf4t7 05 Feb 2024 07:38
48 Replies

turbo engine build recomendations. thanks!

Category: Engine Topic started 23 Nov 2023 17:35, by turbodarnell
8404 Views
Last Post by zed1015 02 Feb 2024 09:09
5 Replies

Cometic Gaskets - Fiber vs AFM (Aluminum Foam Material) vs Fiber

Category: Engine Topic started 28 Jan 2024 14:23, by sdinse
1229 Views
Last Post by daveo 30 Jan 2024 20:22
2 Replies

No2 cylinder not running

Category: Engine Topic started 30 Jan 2024 01:02, by Andyp62
748 Views
Last Post by TexasKZ 30 Jan 2024 04:17
12 Replies

Does a cylinder head with dropped valve have any value?

Category: Engine Topic started 28 Jan 2024 08:32, by PoMoFleet
3324 Views
Last Post by SWest 29 Jan 2024 09:11
4 Replies

Broken head overhanging threads

Category: Engine Topic started 27 Jan 2024 11:55, by Buffalo515
896 Views
Last Post by Buffalo515 29 Jan 2024 08:34
8 Replies

Impossible compression issue GPZ 750 1983

Category: Engine Topic started 25 Jan 2024 23:07, by Erikwolf22
1313 Views
Last Post by Erikwolf22 28 Jan 2024 23:00
16 Replies

Camshafts KZ750

Category: Engine Topic started 17 Dec 2023 10:13, by Sixten
2982 Views
Last Post by Sixten 27 Jan 2024 04:17
18 Replies

Valve Clearance

Category: Engine Topic started 21 Jan 2024 07:35, by Deon
2585 Views
Last Post by TexasKZ 22 Jan 2024 15:45
66 Replies

Sad day when the bike you picked up has stripped sparkplug holes(91 zephyr750)

Category: Engine Topic started 28 Dec 2023 03:40, by Robby2894
6578 Views
Last Post by dmax68 20 Jan 2024 15:47
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