Engine 17.5k topics

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

1977 KZ650c, When gunning throttle, engine will rev up but won't increase speed.

Category: Engine Topic started 05 May 2021 18:40, by Steel Legion
3971 Views
Last Post by TexasKZ 30 May 2021 20:51
6 Replies

79 Kz650 American model question

Category: Engine Topic started 25 May 2021 13:50, by kzed
1252 Views
Last Post by martin_csr 27 May 2021 05:01
5 Replies

Kz650 valve shim diameter.

Category: Engine Topic started 26 May 2021 07:50, by kzed
2067 Views
Last Post by zed1015 26 May 2021 12:35
3 Replies

Cam shaft installation question.

Category: Engine Topic started 25 May 2021 07:56, by kzed
1421 Views
Last Post by kzed 25 May 2021 13:37
3 Replies

Shaft drive engine to chain drive.

Category: Engine Topic started 24 May 2021 10:05, by PaulSwed
1908 Views
Last Post by ghostdive 25 May 2021 04:49
2 Replies

KZ400 downshift from 5th difficulty

Category: Engine Topic started 24 May 2021 08:39, by Mike K
1226 Views
Last Post by gd4now 24 May 2021 14:52
7 Replies

Crappy exhaust remedy?

Category: Engine Topic started 21 May 2021 19:23, by kawirider
1466 Views
Last Post by gd4now 24 May 2021 07:44
10 Replies

Which PJ1 for Exhaust Header

Category: Engine Topic started 21 May 2021 08:20, by Olbeedo
1873 Views
Last Post by Nerdy 23 May 2021 19:51
33 Replies

Spark plug threads on cylinder head

Category: Engine Topic started 21 May 2021 06:09, by kzed
7398 Views
Last Post by kzed 22 May 2021 15:43
5 Replies

Weird engine number 1979 KZ1000 C-2

Category: Engine Topic started 22 May 2021 11:27, by Yetanotherkzrider
1192 Views
Last Post by Yetanotherkzrider 22 May 2021 14:33
1 Replies

Flywheel puller for KZ twins

Category: Engine Topic started 15 May 2021 07:12, by Pagala
1603 Views
Last Post by DoctoRot 22 May 2021 12:22
6 Replies

Seals on KZ400-H1 LTD

Category: Engine Topic started 24 Feb 2016 12:25, by RiderRandy
1965 Views
Last Post by Larithion 22 May 2021 09:22
5 Replies

oil leak by kick start, and other help!!

Category: Engine Topic started 30 May 2011 00:10, by khawk912
2246 Views
Last Post by Larithion 22 May 2021 09:18
3 Replies

Is there less vibration with a 180 degree crank shaft

Category: Engine Topic started 19 May 2021 08:53, by ckahleer
1254 Views
Last Post by martin_csr 20 May 2021 06:29
17 Replies

camshaft gears, idlers - condition check

Category: Engine Topic started 18 May 2021 11:34, by katit
4852 Views
Last Post by katit 19 May 2021 20:03
0 Replies

Big valves with stock pistons

Category: Engine Topic started 19 May 2021 06:29, by Prangr
1093 Views
Last Post by Prangr 19 May 2021 06:29
4 Replies

Cam chain suddenly snaps forward while rolling over by hand (17mm socket)

Category: Engine Topic started 18 May 2021 04:39, by Gdailey2112
1134 Views
Last Post by Nessism 18 May 2021 16:44
4 Replies

Gas leaking from behind front sprocket when MC on stand

Category: Engine Topic started 08 Jan 2021 04:31, by Johio
1700 Views
Last Post by martin_csr 18 May 2021 12:20
9 Replies

Another Oil Cooler Question

Category: Engine Topic started 14 May 2021 12:46, by bille7
1395 Views
Last Post by slmjim+Z1BEBE 17 May 2021 09:19
3 Replies

Stripped thread on cylinder head for spark plug (no. 4)

Category: Engine Topic started 16 May 2021 01:43, by Nicks83
1283 Views
Last Post by gordone 16 May 2021 10:39
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