Engine 17.6k topics

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

Terrible motor swap idea kz440

Category: Engine Topic started 22 Dec 2025 07:42, by bound
7647 Views
bound's Avatar
Last Post by bound 04 Apr 2026 11:06
6 Replies

Old Crankcase Anyone?

Category: Engine Topic started 09 Mar 2026 11:56, by Trackz440
675 Views
Trackz440's Avatar
Last Post by Trackz440 02 Apr 2026 12:45
12 Replies

kz440 LTD kickstart

Category: Engine Topic started 29 Mar 2026 21:38, by Billeuze
1157 Views
Wookie58's Avatar
Last Post by Wookie58 01 Apr 2026 03:11
5 Replies

KZ 1000J cam chain guides

Category: Engine Topic started 09 Mar 2026 16:20, by poptheclutch
653 Views
daveo's Avatar
Last Post by daveo 31 Mar 2026 18:27
27 Replies

Upgrading a KZ400 engine with 440 cylinders and oversize pistons

Category: Engine Topic started 28 Dec 2025 05:36, by quantity
2828 Views
quantity's Avatar
Last Post by quantity 30 Mar 2026 11:39
10 Replies

Which Side Faces Up?

Category: Engine Topic started 17 Mar 2026 20:10, by daveo
632 Views
asphalt900's Avatar
Last Post by asphalt900 29 Mar 2026 04:48
19 Replies

clutch won't disengage- cant adjust enough?

Category: Engine Topic started 02 Nov 2015 02:28, by Lord_Verminaard
7670 Views
menno_kz700's Avatar
Last Post by menno_kz700 27 Mar 2026 13:39
23 Replies

KZ650 Engine start troubleshooting

Category: Engine Topic started 08 Mar 2026 14:45, by Rideallyear
1542 Views
TexasKZ's Avatar
Last Post by TexasKZ 26 Mar 2026 22:13
10 Replies

Sorry, need some help again

Category: Engine Topic started 18 Mar 2026 16:25, by rickysnicker
629 Views
Wookie58's Avatar
Last Post by Wookie58 24 Mar 2026 06:48
8 Replies

Z1 Cam Chain Idler Gear Bearings

Category: Engine Topic started 19 Mar 2026 21:01, by JT-NZ
531 Views
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Last Post by JT-NZ 23 Mar 2026 13:51
14 Replies

Valve shims

Category: Engine Topic started 12 Mar 2026 06:42, by rickysnicker
1383 Views
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Last Post by rickysnicker 23 Mar 2026 06:30
5 Replies

Piston

Category: Engine Topic started 20 Mar 2026 12:12, by lovethemkzs
453 Views
daveo's Avatar
Last Post by daveo 20 Mar 2026 18:51
3 Replies

cltch spring bolts

Category: Engine Topic started 18 Mar 2026 08:55, by kawastrtfgtr
454 Views
kawastrtfgtr's Avatar
Last Post by kawastrtfgtr 19 Mar 2026 05:13
5 Replies

Not A Problem

Category: Engine Topic started 14 Mar 2026 14:53, by daveo
511 Views
rickysnicker's Avatar
Last Post by rickysnicker 15 Mar 2026 07:31
5 Replies

Should I replace this damaged alternator magnet?

Category: Engine Topic started 07 Mar 2026 06:51, by Legionnaire1856
531 Views
bry195's Avatar
Last Post by bry195 14 Mar 2026 19:30
8 Replies

Recommend sealant for Z1 sight glass, please.

Category: Engine Topic started 11 Mar 2026 09:26, by slmjim+Z1BEBE
590 Views
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Last Post by bry195 14 Mar 2026 19:23
3 Replies

Camshaft cover gasket

Category: Engine Topic started 08 Mar 2026 07:09, by kznutter
439 Views
MFP-Joe's Avatar
Last Post by MFP-Joe 08 Mar 2026 12:50
10 Replies

Bad oil leak

Category: Engine Topic started 28 Nov 2025 11:53, by Legionnaire1856
1000 Views
Wookie58's Avatar
Last Post by Wookie58 08 Mar 2026 07:40
3 Replies

Engine fitting

Category: Engine Topic started 07 Mar 2026 01:09, by Stusco
454 Views
Kelly E's Avatar
Last Post by Kelly E 07 Mar 2026 16:43
2 Replies

Wha on earth has someone done to my starter gear hole?

Category: Engine Topic started 07 Mar 2026 06:45, by Legionnaire1856
436 Views
DoctoRot's Avatar
Last Post by DoctoRot 07 Mar 2026 15:42
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