Engine

3 Replies

Oil expander ring question

Category: Engine Topic started 06 Feb 2026 13:35, by Tjpgi

270 Views

Last Post by asphalt900 07 Feb 2026 05:04

3 Replies

Porting the Z1 by Joe Hooper

Category: Engine Topic started 02 Feb 2026 14:45, by KZQ

492 Views

Last Post by KZQ 04 Feb 2026 05:50

21 Replies

Piston rings set

Category: Engine Topic started 24 Sep 2025 14:00, by Tjpgi

1
2

2498 Views

Last Post by Tjpgi 02 Feb 2026 10:58

7 Replies

Unusual cam wear

Category: Engine Topic started 30 Jan 2026 16:35, by danam

334 Views

Last Post by asphalt900 02 Feb 2026 04:30

3 Replies

Cam chain tensioner play

Category: Engine Topic started 01 Feb 2026 14:22, by danam

289 Views

Last Post by asphalt900 02 Feb 2026 04:18

4 Replies

Z1 Transmission Bearing

Category: Engine Topic started 30 Jan 2026 20:20, by JT-NZ

340 Views

Last Post by Cra-z1 01 Feb 2026 09:33

3 Replies

anyone familiar with Gemini exhausts?

Category: Engine Topic started 17 Dec 2005 20:57, by MkII

2417 Views

Last Post by gd4now 30 Jan 2026 10:59

6 Replies

Slotted J cam sprockets

Category: Engine Topic started 29 Jan 2026 07:39, by Wookie58

304 Views

Last Post by Wookie58 30 Jan 2026 00:27

3 Replies

Z1 Kickstart Cover

Category: Engine Topic started 24 Jan 2026 19:38, by JT-NZ

317 Views

Last Post by JT-NZ 25 Jan 2026 23:12

11 Replies

Wiseco 810 piston rings

Category: Engine Topic started 11 Jan 2026 12:36, by turboguzzi

466 Views

Last Post by turboguzzi 25 Jan 2026 01:49

11 Replies

One simple question

Category: Engine Topic started 13 Jan 2026 10:01, by lovethemkzs

391 Views

Last Post by lovethemkzs 16 Jan 2026 11:03

13 Replies

650/750 engine in Z1 frame?

Category: Engine Topic started 12 Jan 2026 08:32, by Sixten

1
2

974 Views

Last Post by sf4t7 13 Jan 2026 16:13

15 Replies

Break-in Oil?

Category: Engine Topic started 30 Dec 2025 09:52, by daveo

1
2

1064 Views

Last Post by daveo 11 Jan 2026 21:43

6 Replies

Ignition Timing on 1000J

Category: Engine Topic started 07 Jan 2026 09:08, by MJinCO

405 Views

Last Post by MJinCO 10 Jan 2026 15:01

3 Replies

Choke plunger

Category: Engine Topic started 09 Jan 2026 15:27, by seebold

361 Views

Last Post by zed1015 10 Jan 2026 03:38

22 Replies

How f***** am I?

Category: Engine Topic started 21 Jul 2021 17:51, by 1980 Z1R D3

1
2

4005 Views

Last Post by daveo 02 Jan 2026 14:11

3 Replies

Crankshaft oil pump gear

Category: Engine Topic started 31 Dec 2025 19:04, by richard-GPZ

365 Views

Last Post by daveo 01 Jan 2026 09:35

26 Replies

POOR PERFORMANCE

Category: Engine Topic started 26 Dec 2025 10:14, by chuck hahn

1
2
3

1619 Views

Last Post by chuck hahn 29 Dec 2025 17:43

14 Replies

cylinder pressure

Category: Engine Topic started 19 Dec 2025 04:53, by GrzegorzSadoch

1
2

1234 Views

Last Post by kevski 22 Dec 2025 09:04

58 Replies

Problems installing Andrews x3 camshafts

Category: Engine Topic started 07 Oct 2025 02:40, by v.f.

3571 Views

Last Post by daveo 10 Dec 2025 11:36

Engine 17.6k topics