Engine & Transmission

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zxrworld shim collection

Last post by RSVR « Mon Feb 19, 2018 11:34 am
Replies: 36
by masterofinsanity » Fri Dec 18, 2009 11:22 pm
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I will keep a record here of the shims we have collected.If you have any spare then please send them to me, i will keep a stash and post out to...
36 Replies

4539 Views

Last post by RSVR
Mon Feb 19, 2018 11:34 am
Correct Cam Timing + Chain Fitting

Last post by eddyk7 « Wed May 27, 2015 9:09 am
Replies: 12
by Randle » Tue Jul 03, 2012 5:42 pm

I just fitted a new cam chain, so I thought I would post a few pics to help people do the same task.
The part of the work I am focusing on is fitting...

12 Replies

5243 Views

Last post by eddyk7
Wed May 27, 2015 9:09 am
new zxr 400 pistons at last

Last post by GavPJ « Thu Aug 08, 2013 12:35 pm
Replies: 7
by toecutter » Wed Feb 09, 2011 7:45 pm

Hi folks as mike has said in the racing section i have done the pistons at last what a bloody trauma its been
if some one can tell me how to post...

7 Replies

2119 Views

Last post by GavPJ
Thu Aug 08, 2013 12:35 pm
conrod latest model

Last post by hub74 « Fri Feb 02, 2018 7:23 am
Replies: 2
by hub74 » Tue Dec 05, 2017 2:38 pm

Hello
I look for one (or more) conrod ref 1208
This conrod was on the latest models.
sorry for my English !
Thank
HUBERT France

2 Replies

169 Views

Last post by hub74
Fri Feb 02, 2018 7:23 am
Piston ring end gaps

Last post by Zxr400paul « Tue Jan 23, 2018 6:56 pm

by Zxr400paul » Tue Jan 23, 2018 6:56 pm

Hi people, I’m looking for advice on piston ring end gaps. I’m refreshing my race engine and the manual spec for end gaps on the ring seem large...

0 Replies

49 Views

Last post by Zxr400paul
Tue Jan 23, 2018 6:56 pm
Cam Chain Tensioner?

Last post by Smokingviper1 « Mon Jan 15, 2018 7:37 pm
Replies: 37
by Madderz » Sat May 03, 2014 12:30 pm
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Hey guys,

New to the forum so urmmm HI!

Picked up my 92 ZXR400 the other day. Love it to bits. Arrived at work today and a couple of the guys said...
37 Replies

2781 Views

Last post by Smokingviper1
Mon Jan 15, 2018 7:37 pm
ZXR 400 Engine?

Last post by TheBadMechanic « Sun Dec 17, 2017 12:43 pm

by TheBadMechanic » Sun Dec 17, 2017 12:43 pm

Not sure if this is the right place but my amazing ZXR 400 that's had some internal work done by the previous owner is now clicking and ticking...

0 Replies

96 Views

Last post by TheBadMechanic
Sun Dec 17, 2017 12:43 pm
Sell / buy 3 Wossner HC piston +0.5

Last post by hub74 « Tue Dec 05, 2017 3:02 pm

by hub74 » Tue Dec 05, 2017 3:02 pm

I sell 3 Wossner HC piston size 57,50 mm (only 3)
I used them only 3 weekend !
If not, I buy one piston.
regards
HUBERT France

I can send pictures...

0 Replies

102 Views

Last post by hub74
Tue Dec 05, 2017 3:02 pm
SP gearbox identification

Last post by ChowderV4 « Mon Nov 27, 2017 8:27 pm
Replies: 6
by Miles » Fri Dec 25, 2015 3:04 pm

Happy Xmas everyone,

Just a quick one. While waiting for Xmas lunch to appear I've been sorting out gearboxes.

Thing is I thought the difference...

6 Replies

923 Views

Last post by ChowderV4
Mon Nov 27, 2017 8:27 pm
Advice replacement engine?!

Last post by NeiiseZXR « Tue Sep 26, 2017 3:03 pm
Replies: 19
by NeiiseZXR » Mon Apr 04, 2016 2:45 pm
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My zxr400 failed compression in cylinder 1.. Possible that a valve has dropped...damaging piston head, head cylinder etc..

I've come across this...
19 Replies

1568 Views

Last post by NeiiseZXR
Tue Sep 26, 2017 3:03 pm
Can guard

Last post by Probablyhungry « Wed Jun 28, 2017 8:26 pm

by Probablyhungry » Wed Jun 28, 2017 8:26 pm

Will the cam chain guard of the h model fit the l.

0 Replies

265 Views

Last post by Probablyhungry
Wed Jun 28, 2017 8:26 pm
Sp cams

Last post by banner001 « Wed Jun 28, 2017 9:26 am
Replies: 1
by Miles » Wed Jun 28, 2017 12:41 am

Quick one. Does fitting adjustable cams require a different ignition disc on the crank to be fitted?

I've had the cams dailled in professionally so...

1 Replies

220 Views

Last post by banner001
Wed Jun 28, 2017 9:26 am
Very bad (loud) engine rattle

Last post by Moonfire « Fri Jun 23, 2017 7:12 pm
Replies: 8
by Moonfire » Wed Mar 18, 2015 2:08 pm

Hi, I've got a 1993 L3 which has just developed a very loud engine rattle. I realise that without seeing the bike and hearing it it's pretty much...

8 Replies

1081 Views

Last post by Moonfire
Fri Jun 23, 2017 7:12 pm
Steam Train Noise

Last post by hectormedlicott « Sun May 28, 2017 6:55 pm
Replies: 4
by hectormedlicott » Wed Apr 27, 2016 3:50 pm

Hi, when im riding my zxr 400 it sounds a bit like a steam train going shh shhh shhh shhh! its does it in all gears at all speeds however the faster...

4 Replies

715 Views

Last post by hectormedlicott
Sun May 28, 2017 6:55 pm
Engine noise at low rpm

Last post by banner001 « Sat May 27, 2017 5:57 pm
Replies: 3
by GeorgeMoroz » Wed Apr 12, 2017 11:02 pm

So my engine gave out and i got an ex race engine, the guy hadnt touched it internally just oil and filter changes, i drop it in start it up and i've...

3 Replies

453 Views

Last post by banner001
Sat May 27, 2017 5:57 pm
Is it time for a new timing chain?

Last post by banner001 « Tue May 09, 2017 2:15 pm
Replies: 8
by nettns » Sat Jul 30, 2016 6:22 pm

I've been getting a rattle at 3500rpm. Its not present below or above that speed, it only becomes noticeable at 3500rpm. Today I pulled off the cover...

8 Replies

850 Views

Last post by banner001
Tue May 09, 2017 2:15 pm
Cam caps - removal procedure

Last post by Moonfire « Fri May 05, 2017 6:21 pm
Replies: 2
by Moonfire » Thu May 04, 2017 7:39 pm

Hi,

I'm just about to remove the cam caps from an L3 in order to fit a new timing chain and have read about the importance of taking the torque of...

2 Replies

330 Views

Last post by Moonfire
Fri May 05, 2017 6:21 pm
Rattle at 5500rpm

Last post by bendog66 « Wed Feb 22, 2017 10:39 pm
Replies: 2
by D0n H » Tue Sep 13, 2016 8:42 am

Hi Guys

Just a quick one i seem to be getting a rattle at about 5500rpm it will only come and go thew the stage of accelerating im not sure what to...

2 Replies

591 Views

Last post by bendog66
Wed Feb 22, 2017 10:39 pm
Sludge in engine

Last post by watsonm359 « Wed Feb 01, 2017 8:08 pm
Replies: 7
by Dutch_ZXR » Thu Jan 26, 2017 9:16 pm

Hi,

I recently (two weeks ago) bought myself a ZXR400 and it rode perfectly for about 600km.

Since today I'm dealing with 2 issues:

First issue:...

7 Replies

671 Views

Last post by watsonm359
Wed Feb 01, 2017 8:08 pm
Standard squish - please help

Last post by Rubencio « Tue Jan 31, 2017 4:44 pm
Replies: 4
by Rubencio » Mon Jan 30, 2017 10:15 pm

Hi Lads, I would need to know the piston to head clearance (squish) on a standard L8 engine.
Thanks in advance
Rubencio

4 Replies

455 Views

Last post by Rubencio
Tue Jan 31, 2017 4:44 pm
Hight performance pistons query.

Last post by Ewetea « Sun Dec 04, 2016 4:42 pm
Replies: 3
by Rubencio » Tue Nov 29, 2016 12:11 pm

Hi Guys,
I have got a head for an L9, I am sending it for porting and polishing.
Having the head down I could do sometimes with the pistons.
I am...

3 Replies

573 Views

Last post by Ewetea
Sun Dec 04, 2016 4:42 pm
Engine swap on ZXR400 1991

Last post by fergy150 « Thu Oct 13, 2016 1:58 pm
Replies: 1
by brutus » Mon Oct 03, 2016 8:52 am

Hi!!!
I'm an happy owner of a glorious ZXR400 1991, but the age is not only a number, I like to build a custom bike based on my ZXR400 to use it only...

1 Replies

564 Views

Last post by fergy150
Thu Oct 13, 2016 1:58 pm
Sp cams and big bore

Last post by Miles « Sat Aug 27, 2016 9:46 pm
Replies: 1
by daktari » Sat Aug 27, 2016 4:38 pm

Hey.

Where can i find a set of sp cams and gearbox .
What's the best big bore kit whitin race regulations.
For racing use.
Thanks

1 Replies

495 Views

Last post by Miles
Sat Aug 27, 2016 9:46 pm
Zxr 400 L 1991 and engine from H model 1989

Last post by banner001 « Fri Aug 19, 2016 10:32 am
Replies: 7
by zyniu » Thu Aug 18, 2016 9:22 am

Hi. I have a Zxr400 L model with engine gone and i bought the engine from H model and im wondering what parts do i have to swap as well as the...

7 Replies

808 Views

Last post by banner001
Fri Aug 19, 2016 10:32 am
Shim Issue

Last post by fergy150 « Tue Aug 16, 2016 4:10 pm
Replies: 3
by fergy150 » Fri Aug 05, 2016 12:25 pm

Bought a new engine to use while I'm giving mine a full rebuild, told it was in perfect working order, only done 16,000 miles took it apart and found...

3 Replies

673 Views

Last post by fergy150
Tue Aug 16, 2016 4:10 pm
Odd noise

Last post by nettns « Thu Jul 28, 2016 8:37 am
Replies: 4
by belroy » Sun Sep 25, 2011 5:02 pm

Recently just did all my valve clearances, changed the cam chain and checked the guides in one fell swoop, now between 3.5k and 4k revs there is a...

4 Replies

870 Views

Last post by nettns
Thu Jul 28, 2016 8:37 am
No compression on all cylinders

Last post by Siuras « Sat Jul 23, 2016 11:23 pm
Replies: 2
by Siuras » Sat Jul 23, 2016 9:51 pm

Hi, I did an engine rebuild by myself. I have changed almost everything.. Just valves left the same, and I have no other idea what check yet.
First...

2 Replies

505 Views

Last post by Siuras
Sat Jul 23, 2016 11:23 pm
Oil and Water Ways/Channels

Last post by banner001 « Thu Jul 14, 2016 11:00 am
Replies: 1
by worthidlj » Wed Jul 13, 2016 12:50 pm

Hey guys, was looking at the underneath of the cylinder head and wondered which channels were for water ways and which are oil?

As reference see...

1 Replies

451 Views

Last post by banner001
Thu Jul 14, 2016 11:00 am
Engine Parts Advice

Last post by Tricey27 « Sun Jul 10, 2016 10:17 am
Replies: 3
by Tricey27 » Sat Jul 09, 2016 10:27 pm

Hi,

In process of working on my new '89 ZXR 400 project and wanting to do the timing chain and head gasket. The bike has done 19,000 miles but want...

3 Replies

570 Views

Last post by Tricey27
Sun Jul 10, 2016 10:17 am
Shim questions zxr400

Last post by jamesgoodfella « Fri Jun 03, 2016 8:02 am
Replies: 1
by fstarocka » Wed May 04, 2016 6:38 am

Hi guys, new here and first post.. Bought a 90 h model last month.. Just put in new rings and got her running last night!!

Anyway, did some...

1 Replies

444 Views

Last post by jamesgoodfella
Fri Jun 03, 2016 8:02 am
Cam cap bolts

Last post by jamesgoodfella « Wed Jun 01, 2016 9:07 pm
Replies: 9
by Johnhas » Mon May 30, 2016 11:26 pm

Does anyone happen to know what thread an pitch they are? I'm building up an engine I got in bits and there missing, hoping to buy the bolts from a...

9 Replies

755 Views

Last post by jamesgoodfella
Wed Jun 01, 2016 9:07 pm
Need to remove clutch to split cases? (SOLVED)

Last post by Rasta-ninja « Wed May 18, 2016 4:40 pm
Replies: 5
by Rasta-ninja » Sat May 14, 2016 8:33 pm

Do you NEED to remove the clutch to split the cases? (I don't have a tool to get it out)

I checked in the manual and it says remove if necessary......

5 Replies

734 Views

Last post by Rasta-ninja
Wed May 18, 2016 4:40 pm
Another blown head gasket -reused old gasket

Last post by Tricky « Sat May 07, 2016 10:04 am
Replies: 1
by fstarocka » Wed May 04, 2016 8:47 pm

So just got bike running.. After few mins oil was creamy and I just put it together :(

Reused old gasket (not bent) cleaned it, copper spray as I've...

1 Replies

454 Views

Last post by Tricky
Sat May 07, 2016 10:04 am
head gasket gone on mi 400l

Last post by fstarocka « Wed May 04, 2016 6:42 am
Replies: 7
by chris 400l » Tue Apr 05, 2016 2:51 pm

Any body know where i can get a manual head gasket gone on my baby i know what i doin just need tecnical data ie sequence of bolts to torque first on...

7 Replies

895 Views

Last post by fstarocka
Wed May 04, 2016 6:42 am
zxr400 engine similarities between H and L models

Last post by jamesgoodfella « Wed Apr 27, 2016 3:43 pm
Replies: 5
by jamesgoodfella » Tue Apr 26, 2016 9:15 pm

So the head may have gone due to a fecked cam carrier bolt I believe.
A friend was saying that a L model engine will drop right in a H model frame,...

5 Replies

933 Views

Last post by jamesgoodfella
Wed Apr 27, 2016 3:43 pm
needed: engine/engine parts

Last post by zimm « Wed Apr 27, 2016 2:08 pm
Replies: 4
by jasonchildss » Sun Apr 17, 2016 3:35 pm

Hi all, I am in need of a 1991 japanese import (red grey and black in colour) cylinder head, complete engine, pistons, valves, engine parts or...

4 Replies

698 Views

Last post by zimm
Wed Apr 27, 2016 2:08 pm
Make gaskets at home

Last post by 400y « Fri Apr 08, 2016 11:35 am
Replies: 7
by Rubencio » Fri Feb 05, 2016 10:16 pm

Would like to buy some gasket material to make my own gaskets for the cluck cover and such.
In eBay there are plenty of sheets for just few quid....

7 Replies

946 Views

Last post by 400y
Fri Apr 08, 2016 11:35 am
L & H crank cases

Last post by Miles « Thu Apr 07, 2016 5:08 pm

by Miles » Thu Apr 07, 2016 5:08 pm

Hey folks. Now I've checked the part numbers for the L , 14001-5315, crank cases and the H2 crank cases and they have different part numbers.

Can...

0 Replies

364 Views

Last post by Miles
Thu Apr 07, 2016 5:08 pm
Seals needed after splitting cases

Last post by banner001 « Thu Apr 07, 2016 9:40 am
Replies: 1
by Miles » Wed Apr 06, 2016 9:03 pm

Hey folks, can anyone tell me if I need to replace any seals/o-rings after splitting the crank cases?

Would like to do the job in a day and don't...

1 Replies

473 Views

Last post by banner001
Thu Apr 07, 2016 9:40 am
Crank cases

Last post by banner001 « Thu Apr 07, 2016 9:37 am
Replies: 3
by Miles » Wed Apr 06, 2016 11:49 am

Does anyone know if the crank cases have to be changed as a pair or can you just replace the bottom?

The bolt lugs for the gene cover have broken...

3 Replies

611 Views

Last post by banner001
Thu Apr 07, 2016 9:37 am
Cams Query!!

Last post by japmannslim « Wed Mar 30, 2016 8:47 am

by japmannslim » Wed Mar 30, 2016 8:47 am

Hi guys, anyone know the answer to this one? Ive recently bought some Cams off ebay for my L9
The cams I purchased are from a low mileage L3. My...

0 Replies

445 Views

Last post by japmannslim
Wed Mar 30, 2016 8:47 am
Scratched cam. Should I replace the camshaft?

Last post by Bogdan.V « Tue Mar 29, 2016 7:17 pm
Replies: 13
by Bogdan.V » Sun Feb 14, 2016 4:47 pm

Hello! I spotted some scratches on the top of a cam. They are not very deep but can be felt with the finger. The clearance on that valve is alright....

13 Replies

1169 Views

Last post by Bogdan.V
Tue Mar 29, 2016 7:17 pm
URGENT! Weak cam chain tension. Tensioner fine. What could be the cause?

Last post by Tirpitz « Thu Mar 24, 2016 10:23 pm
Replies: 8
by Bogdan.V » Fri Mar 11, 2016 7:39 pm

I'm verry limited by time so I have to find out quick. The cam chain tension seams verry week because the tensioner goes all the way up....

8 Replies

945 Views

Last post by Tirpitz
Thu Mar 24, 2016 10:23 pm
Strange engine behaviour

Last post by Bogdan.V « Sat Mar 12, 2016 7:51 am
Replies: 27
by Bogdan.V » Sun Oct 11, 2015 1:23 pm
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Hello all!

I have a ZXR400 L5 with 40.000 km on board. The engine has a very strange problem. If is left for a day or two in the garage, when it is...
27 Replies

2222 Views

Last post by Bogdan.V
Sat Mar 12, 2016 7:51 am
cam carrier change?

Last post by richyrd5 « Wed Mar 02, 2016 11:53 pm
Replies: 3
by richyrd5 » Tue Mar 01, 2016 9:00 pm

the po had snapped the thread on the number 4 inlet cam carrier,not any that hold the carrier on,its the one that the valve cover screws down on...

3 Replies

636 Views

Last post by richyrd5
Wed Mar 02, 2016 11:53 pm
valve clearances

Last post by richyrd5 « Wed Feb 24, 2016 5:28 pm
Replies: 2
by richyrd5 » Wed Feb 24, 2016 5:07 pm

Where do you check between...400h..lobe and rocker or shim and rocker.??my nc30 is the same as near as in valve train and that is shim and...

2 Replies

648 Views

Last post by richyrd5
Wed Feb 24, 2016 5:28 pm
Rebuilders

Last post by newtonhillbilly « Sat Feb 20, 2016 6:19 pm

by newtonhillbilly » Sat Feb 20, 2016 6:19 pm

Hello I was just wondering does anyone know anywhere who rebuilds and tunes zxr engines and if any off yous have any contact information would be...

0 Replies

451 Views

Last post by newtonhillbilly
Sat Feb 20, 2016 6:19 pm
Do I need a base gasket??

Last post by richyrd5 « Sat Feb 20, 2016 4:26 pm
Replies: 1
by tosser » Sun Jan 03, 2016 3:18 am

Can I ditch the base gasket and simply use 3 bond instead? :smt017

1 Replies

602 Views

Last post by richyrd5
Sat Feb 20, 2016 4:26 pm
valve guide installation/ reamer

Last post by ChowderV4 « Sun Jan 31, 2016 11:27 pm

by ChowderV4 » Sun Jan 31, 2016 11:27 pm

im in the process of replacing a snapped valve guide, i have removed the old one, after installing a new guide will it need to be reamed, and if so...

0 Replies

460 Views

Last post by ChowderV4
Sun Jan 31, 2016 11:27 pm
Reusing head gaskets

Last post by banner001 « Thu Jan 07, 2016 11:18 am
Replies: 1
by tosser » Thu Jan 07, 2016 9:01 am

I hear people are having trouble with the standard head gaskets after 20000.....
How about stripping the black off the gasket and using 3 Bond or...

1 Replies

638 Views

Last post by banner001
Thu Jan 07, 2016 11:18 am

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