Engine 17.4k topics

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

Grinding noise from gearbox

Category: Engine Topic started 24 Sep 2022 15:56, by Will2000
880 Views
Last Post by Will2000 24 Sep 2022 15:56
7 Replies

Can't get these bolts out of the cylinder head

Category: Engine Topic started 22 Sep 2022 16:07, by Jon99
1230 Views
Last Post by Jon99 24 Sep 2022 08:14
3 Replies

Kerker Race Only 4 into 1 Exhaust 1.5/8" vs 1.5"

Category: Engine Topic started 16 Sep 2022 15:19, by 577nitro
1224 Views
Last Post by F64 16 Sep 2022 21:44
6 Replies

Engine click click

Category: Engine Topic started 15 Sep 2022 21:56, by Fox
1066 Views
Last Post by Scirocco 16 Sep 2022 13:33
20 Replies

Fuel economy?

Category: Engine Topic started 12 Sep 2022 14:50, by Frazecdn
3129 Views
Last Post by 650ed 14 Sep 2022 20:36
4 Replies

KZ750 twin engine noise

Category: Engine Topic started 12 Sep 2022 11:53, by Bluescroft762
989 Views
Last Post by Street Fighter LTD 13 Sep 2022 08:14
13 Replies

KZ650/750 Mac 4-1 exhaust? Pics?

Category: Engine Topic started 05 Sep 2022 20:54, by stinkfinger
3435 Views
Last Post by ShaneDude 08 Sep 2022 10:49
17 Replies

Pingel Petcocks and whatnot

Category: Engine Topic started 05 Sep 2022 05:56, by ShaneDude
3171 Views
Last Post by ShaneDude 08 Sep 2022 10:38
6 Replies

Viton valve stem seals

Category: Engine Topic started 23 Feb 2022 01:45, by 750 R1
1487 Views
Last Post by Gdailey2112 06 Sep 2022 15:51
11 Replies

help identify this broken guide please

Category: Engine Topic started 03 Sep 2022 09:10, by Gdailey2112
1139 Views
Last Post by Gdailey2112 06 Sep 2022 12:12
2 Replies

It's alive!!!

Category: Engine Topic started 05 Sep 2022 19:20, by Cfoux85
929 Views
Last Post by Cfoux85 06 Sep 2022 06:23
10 Replies

Kerker exhaust baffle

Category: Engine Topic started 29 Aug 2022 20:17, by Fox
1886 Views
Last Post by Kelly E 05 Sep 2022 09:25
6 Replies

Crazy KZ750 Twin - Cannot Figure Out This Fuel/Stall/Surging problem

Category: Engine Topic started 04 Sep 2022 09:46, by ShaneDude
942 Views
Last Post by ShaneDude 04 Sep 2022 11:51
9 Replies

Thin shims after valve job

Category: Engine Topic started 10 Aug 2021 12:09, by rokit_armor
1722 Views
Last Post by Gdailey2112 04 Sep 2022 09:29
18 Replies

clutch won't disengage- cant adjust enough?

Category: Engine Topic started 02 Nov 2015 02:28, by Lord_Verminaard
5124 Views
Last Post by Stockton350 04 Sep 2022 09:06
5 Replies

Cranks sometimes

Category: Engine Topic started 03 Sep 2022 12:54, by Cfoux85
980 Views
Last Post by Cfoux85 03 Sep 2022 19:12
4 Replies

valve guide or valve or both?

Category: Engine Topic started 30 Aug 2022 12:23, by Gdailey2112
892 Views
Last Post by Gdailey2112 30 Aug 2022 15:33
19 Replies

1982 GPZ750 rod bearings

Category: Engine Topic started 17 Aug 2022 18:45, by 750 R1
3486 Views
Last Post by Wookie58 29 Aug 2022 00:41
4 Replies

77 KZ750 B1 Twin. Valve Question

Category: Engine Topic started 27 Aug 2022 17:47, by ShaneDude
801 Views
Last Post by ShaneDude 28 Aug 2022 14:20
9 Replies

Cam recommendations

Category: Engine Topic started 21 Aug 2022 15:47, by lewisj
1685 Views
Last Post by TexasKZ 27 Aug 2022 06:17
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