Your Tuning Questions

Moderator: Moderators

New Topic

59 topics

Topics

Replies

Views

Last post

adjustable cam sprockets

Last post by zxdillan « Sun Dec 30, 2012 11:38 am
Replies: 2
by zxdillan » Sat Dec 29, 2012 10:59 pm

does anyone know who makes them, apart from tts. found a website in japan which does genuine kawasaki ones for about £27, but then theres shipping....

2 Replies

717 Views

Last post by zxdillan
Sun Dec 30, 2012 11:38 am
which one?

Last post by Big Hoddie « Fri Jul 13, 2012 11:11 pm

by Big Hoddie » Fri Jul 13, 2012 11:11 pm

As per the title, which box?

box-Â£175 + the other parts and p & p

bdk box-Â£336 + p & p

plastics box-Â£230 + p & p

Are the AMS carb inlets...

0 Replies

551 Views

Last post by Big Hoddie
Fri Jul 13, 2012 11:11 pm
Ram air box

Last post by bude-zxr « Fri Jul 13, 2012 9:02 pm
Replies: 2
by bude-zxr » Fri Jul 13, 2012 7:40 pm

Can someone explain how they work and if they are worth the money?
Thanks Matt

2 Replies

788 Views

Last post by bude-zxr
Fri Jul 13, 2012 9:02 pm
Which model gsxr shock fits the H model?

Last post by marti « Fri Jul 06, 2012 9:30 am

by marti » Fri Jul 06, 2012 9:30 am

Hi im after a gixxer shock for my H,
I did a search and ended up confused, can anyone help
marti

0 Replies

505 Views

Last post by marti
Fri Jul 06, 2012 9:30 am
Enhancements / I know what I'm saving for!!!

Last post by CaNsA « Fri Jun 15, 2012 5:52 pm
Replies: 21
by hoddie » Sun Jun 10, 2012 10:39 am
1

2
I passed my test and bought a zx4r! :D But whilst I save up for the insurance, looking at mods. I notice that a lot of people say that lightweight...
21 Replies

1957 Views

Last post by CaNsA
Fri Jun 15, 2012 5:52 pm
camshafts

Last post by alanh496 « Fri Jan 06, 2012 10:45 am

by alanh496 » Fri Jan 06, 2012 10:45 am

Hi guys, I got a zxr 400 to use for track days toward the end of last year - this alledgedly had a tuned motor with SP cams. Now checking it out I...

0 Replies

458 Views

Last post by alanh496
Fri Jan 06, 2012 10:45 am
ZXR400H

Last post by BigB « Sat Aug 20, 2011 2:13 am
Replies: 5
by jadrace » Wed Aug 10, 2011 12:42 pm

Hi All,

I have a ZXR400 H which is running a CDI with the red letter A on it.
Is this the std CDI for an import?
Is this a restricted CDI?....if so...

5 Replies

1045 Views

Last post by BigB
Sat Aug 20, 2011 2:13 am
High speed jets

Last post by eric zxracing « Sun May 29, 2011 2:40 pm
Replies: 3
by Fatspanner #44 » Fri Jan 09, 2009 8:50 am

Can anyone tell me what advantage there is to blocking the high speed jets? My last set of carbs had this done, but the set I have on at present does...

3 Replies

1148 Views

Last post by eric zxracing
Sun May 29, 2011 2:40 pm
Dynojets, Worth bothering?

Last post by mark400 « Tue Jan 26, 2010 11:53 pm
Replies: 1
by ZXRSHAUN » Tue Jan 26, 2010 3:49 pm

Is it actually worth dynojetting my 400, it has a different exhaust system and filter but cant the standard jets just be tweaked to get the thing...

1 Replies

1109 Views

Last post by mark400
Tue Jan 26, 2010 11:53 pm
REMOVAL OF THE GENERATOR = BHP

Last post by Fatspanner #44 « Wed Jan 13, 2010 10:28 am
Replies: 5
by Kirky Boy » Sat Jan 09, 2010 7:40 pm

Is there any truth that if i remove the generator i will gain more power, is this total loss set up? Not too sure. If there is a gain could someone...

5 Replies

1220 Views

Last post by Fatspanner #44
Wed Jan 13, 2010 10:28 am
AMS RAM AIR BOX

Last post by extonyg « Sun Jan 10, 2010 11:15 pm
Replies: 7
by Kirky Boy » Sat Jan 09, 2010 7:35 pm

Going to fit an AMS ram air box to my track bike. Heard i had to move the coils so it will fit proper. Is there any other things i should know before...

7 Replies

1107 Views

Last post by extonyg
Sun Jan 10, 2010 11:15 pm
higher rpm limit...

Last post by rickyb « Mon Dec 21, 2009 10:45 pm
Replies: 3
by cdstirland81 » Sun Oct 11, 2009 11:09 pm

okay, curiosity has got the better of me here!

noticed a few of you are running either aftermarket ignition or modified cdi's letting you run...

3 Replies

1116 Views

Last post by rickyb
Mon Dec 21, 2009 10:45 pm
H2 main jets and needle shims - zimm?

Last post by zimm « Tue Dec 08, 2009 3:30 pm
Replies: 6
by mickthemirkin » Sun Nov 29, 2009 9:21 pm

Evening all,

Having searched through all 159 posts wherein jetting and shim are mentioned I've lost the will to live as I can't find what I remember...

6 Replies

1251 Views

Last post by zimm
Tue Dec 08, 2009 3:30 pm
and these.. what are these?

Last post by RedexRobB « Fri Dec 04, 2009 2:37 pm
Replies: 3
by Tom1528 » Sun Mar 29, 2009 5:11 pm

haha

3 Replies

1020 Views

Last post by RedexRobB
Fri Dec 04, 2009 2:37 pm
is it worth polishing and porting my zxr 400 L1

Last post by Fatspanner #44 « Tue Dec 01, 2009 11:14 am
Replies: 4
by stevie hyper » Sun Sep 06, 2009 10:59 pm

my brother has a zxr 400 L1 1991 the head gasket went so he went and got a 1996 engine but did the same to that so he has two engines and wants to...

4 Replies

1304 Views

Last post by Fatspanner #44
Tue Dec 01, 2009 11:14 am
Any good Tuners to balance n set up my carbs in North East

Last post by extonyg « Sun Nov 29, 2009 10:45 pm
Replies: 2
by DazSH » Sat Aug 23, 2008 1:52 pm

Hi my bike is running rich, i tried to balance my carbs with no luck think the balancer is out lol.
Is there anyone in the north east close to...

2 Replies

847 Views

Last post by extonyg
Sun Nov 29, 2009 10:45 pm
Exhaust cam

Last post by Mori Man « Fri Nov 13, 2009 1:35 am
Replies: 3
by Robbie » Tue Nov 10, 2009 10:35 pm

Is there any advantage of having the sp exhaust cam?As Im having my engine refreshed just now and my mate has noticed that it has a reprofiled...

3 Replies

886 Views

Last post by Mori Man
Fri Nov 13, 2009 1:35 am
headgasket 59mm needed

Last post by stuzx4r « Thu Nov 05, 2009 4:44 pm
Replies: 3
by sipke » Mon Oct 12, 2009 9:04 pm

Hi,

as the title said ; Think i blew the headgasket on my ZXR440 (59mm bore) Anybody knows where i can order one?

Thanks,
Joris (Belgium)

3 Replies

1045 Views

Last post by stuzx4r
Thu Nov 05, 2009 4:44 pm
Delkevic Exhausts

Last post by WelshD1K « Fri Sep 18, 2009 11:03 pm
Replies: 8
by ZXRSHAUN » Tue Feb 17, 2009 7:31 pm

does any body rate this company and inperticular the header pipes

8 Replies

1418 Views

Last post by WelshD1K
Fri Sep 18, 2009 11:03 pm
Will theese fit the L-model?

Last post by vince67 « Fri Sep 18, 2009 12:16 pm
Replies: 1
by Mavve750 » Fri Sep 18, 2009 12:03 pm

In 2007 I sold my L-model to my friend and now he wants to know if theese will fit his bike. Do they?
Is it the same as in my K-model?

Thnx!

1 Replies

676 Views

Last post by vince67
Fri Sep 18, 2009 12:16 pm
Another Jetting Question

Last post by jake « Wed Sep 09, 2009 12:11 am
Replies: 1
by Miles » Tue Sep 08, 2009 11:23 pm

Hello guys, anyone give me some advice on what size jet's they think work best with the following set-up

zxr 400 l3 (UK bike) - K&N Air filter...

1 Replies

703 Views

Last post by jake
Wed Sep 09, 2009 12:11 am
Jetting help please

Last post by extonyg « Mon Aug 17, 2009 10:49 am
Replies: 1
by Hairbear » Sun Aug 16, 2009 10:08 pm

Ex track bike, supposed to have reprofiled cams.
Std. airbor with extra holes drilled in it. Std. airfilter - K&N still in box.
Full Micron system....

1 Replies

724 Views

Last post by extonyg
Mon Aug 17, 2009 10:49 am
Horse power vs torque

Last post by tk400 « Tue Aug 04, 2009 8:52 am
Replies: 9
by Robbie » Fri Jul 31, 2009 7:41 pm

Im hoping some of you guys could help me out here.
I tried a different set of carbs on my race bike as they are set up different. different...

9 Replies

1273 Views

Last post by tk400
Tue Aug 04, 2009 8:52 am
H & L dynojet kits...

Last post by cdstirland81 « Wed Jul 15, 2009 9:04 am
Replies: 6
by cdstirland81 » Tue Jul 14, 2009 10:51 am

has anyone got the instructions for the zxr400H1 dynojet kit, or details of what jets and needle specs for standard and aftermarket pipe, etc?
and is...

6 Replies

1145 Views

Last post by cdstirland81
Wed Jul 15, 2009 9:04 am
i swear sum1 told me about cutting a wire on the ECU

Last post by sgtmaddog « Sun Jun 21, 2009 12:38 am
Replies: 5
by sgtmaddog » Fri Jun 19, 2009 9:38 pm

if u can does any1 no wat 1 it is? and is it worth doing it?

5 Replies

1034 Views

Last post by sgtmaddog
Sun Jun 21, 2009 12:38 am
zxr 600 g1 carbs on a zxr 400 L?

Last post by RsLiam « Wed Jun 03, 2009 4:09 pm
Replies: 4
by RsLiam » Wed Jun 03, 2009 2:35 pm

do these fit?

thanks

4 Replies

1232 Views

Last post by RsLiam
Wed Jun 03, 2009 4:09 pm
Rev Limiter

Last post by WelshD1K « Mon May 11, 2009 12:30 pm
Replies: 8
by Carter » Mon Oct 27, 2008 8:42 am

i know that you can over ride the rev limiter in the speedo but does it have any consequence on the running if you remove it all together? i don't...

8 Replies

1746 Views

Last post by WelshD1K
Mon May 11, 2009 12:30 pm
Main jet size? HELP!

Last post by jasonrees « Wed May 06, 2009 5:22 pm
Replies: 4
by jasonrees » Wed Apr 29, 2009 8:12 pm

Hi all. I have only had the bike a week but thought i would give it the once over. Its an import around L4 i think. I have just striped and cleaned...

4 Replies

1082 Views

Last post by jasonrees
Wed May 06, 2009 5:22 pm
K&N this, K&N that?

Last post by RedexRobB « Sun May 03, 2009 9:11 am
Replies: 4
by SamZX » Sat May 02, 2009 11:03 pm

Me again... :smt001

I hear alot of talk about K&N filters and stuff, but I have no idea what K&N parts will fit on a ZXR400. Would someone be so...

4 Replies

1017 Views

Last post by RedexRobB
Sun May 03, 2009 9:11 am
A Few Questions

Last post by SamZX « Wed Apr 15, 2009 7:22 pm
Replies: 9
by SamZX » Thu Apr 09, 2009 11:33 pm

My bikes at my grandads garage at the moment and whilst it's there I want to get as much done to it as possible as I have few tools and no garage at...

9 Replies

1261 Views

Last post by SamZX
Wed Apr 15, 2009 7:22 pm
K&N filter and dynojet kit problems

Last post by Tadpole « Tue Apr 14, 2009 2:22 pm
Replies: 8
by Tadpole » Thu Apr 02, 2009 10:29 pm

when fitting the K&N filter should you take out the snorkel in the airbox? or leave it in?... I've put a quill end can on, dynojet kit and K&N...

8 Replies

1138 Views

Last post by Tadpole
Tue Apr 14, 2009 2:22 pm
whats this?

Last post by cargo « Sat Mar 28, 2009 5:23 pm
Replies: 1
by Tom1528 » Sat Mar 28, 2009 5:15 pm

:)

1 Replies

796 Views

Last post by cargo
Sat Mar 28, 2009 5:23 pm
anyone know if these are any good?

Last post by Tom1528 « Sat Mar 28, 2009 5:22 pm

by Tom1528 » Sat Mar 28, 2009 5:22 pm

i wanna cheap noisy nice lookin small can that wont need me to fiddle round with jets etc these anygood?..

0 Replies

608 Views

Last post by Tom1528
Sat Mar 28, 2009 5:22 pm
VARIABLE INLET TRACTS / TRUMPETS... IDEAS!!!!!!!!!!!!!!!!!!!

Last post by Marcie « Thu Mar 26, 2009 11:55 pm
Replies: 8
by Marcie » Tue Mar 24, 2009 10:27 pm

Hi all, tonight i was watching something about the new R1 and ive been toying with ideas for variable inlet trumpets.
Now i havent seen how yamaha...

8 Replies

1366 Views

Last post by Marcie
Thu Mar 26, 2009 11:55 pm
carb balancing

Last post by nc73 « Thu Mar 26, 2009 9:19 pm
Replies: 7
by ZXRSHAUN » Wed Jan 21, 2009 12:15 pm

Is it better to have a high or low vacuum pressure when balancing carbs and what characteristics will this give if either high or low if any? also at...

7 Replies

1157 Views

Last post by nc73
Thu Mar 26, 2009 9:19 pm
Larger front sprockets

Last post by nc73 « Sat Mar 14, 2009 11:53 pm

by nc73 » Sat Mar 14, 2009 11:53 pm

In the interest of getting the most mpg, has anyone gone up 2 teeth more on the front sprockets? Noticed any increase in mpg? What rpm at 60mph? Do I...

0 Replies

653 Views

Last post by nc73
Sat Mar 14, 2009 11:53 pm
K&N

Last post by S.T-zxr400h « Thu Mar 12, 2009 7:57 am
Replies: 4
by ZXRSHAUN » Mon Jan 19, 2009 8:15 pm

K&N element filter! worth doin? if so what should i expect?

4 Replies

1079 Views

Last post by S.T-zxr400h
Thu Mar 12, 2009 7:57 am
What main jets does everyone run?

Last post by Fatspanner #44 « Thu Mar 05, 2009 4:43 pm

by Fatspanner #44 » Thu Mar 05, 2009 4:43 pm

Just thought it may be of help to people trying to get a base setting if we all noted what main jet sizes we use.

I run Kehin 112's with correctors...

0 Replies

674 Views

Last post by Fatspanner #44
Thu Mar 05, 2009 4:43 pm
Bike Rebuild

Last post by tomcuda « Tue Mar 03, 2009 9:35 pm
Replies: 5
by tomcuda » Mon Mar 02, 2009 9:25 pm

I'm currently stripping down my L9 at the minute, to tidy it up and get the frame powder coated as its in a bit of a state. I was just wondering if...

5 Replies

1005 Views

Last post by tomcuda
Tue Mar 03, 2009 9:35 pm
Needle adjustment

Last post by mark400 « Thu Feb 26, 2009 8:29 pm
Replies: 7
by schumiruby » Sat Jan 31, 2009 2:25 pm

i had my 1995 model dynoed yesterday and was told it was running lean. asked about putting bigger Main Jets in and he told me that i could adjust my...

7 Replies

1229 Views

Last post by mark400
Thu Feb 26, 2009 8:29 pm
SP vs STD cams

Last post by zimm « Thu Feb 05, 2009 3:00 pm
Replies: 1
by marti » Mon Feb 02, 2009 9:02 pm

Hi, Apart from an adjustable cam wheel is there any difference between SP and STD cams ?
thanks

1 Replies

850 Views

Last post by zimm
Thu Feb 05, 2009 3:00 pm
Jetting Help

Last post by jake « Fri Jan 30, 2009 9:05 pm
Replies: 5
by marti » Thu Jan 22, 2009 4:23 pm

Hi,
Were building a H model thunderbike, with a 440 motor, kent cams, dynapro airbox, bellmouths and full micron

It was run previously with a...

5 Replies

1146 Views

Last post by jake
Fri Jan 30, 2009 9:05 pm
debaffling exhaust

Last post by masterofinsanity « Fri Jan 30, 2009 2:28 pm
Replies: 10
by ZXRSHAUN » Wed Jan 28, 2009 3:41 pm

Ive been reading that the link pip before the end can is quite restrictive and by removing the baffles helps it to perform better, how is this done...

10 Replies

1404 Views

Last post by masterofinsanity
Fri Jan 30, 2009 2:28 pm
Dynojet V Keihin jets

Last post by zimm « Fri Jan 23, 2009 1:23 am
Replies: 1
by Fatspanner #44 » Wed Jan 21, 2009 6:06 pm

Ok, more questions!! I know that the dynojet equivelent main jets are lower to Kehin. eg. Keihin 110=Dynojet 106, but does anyone know if the Dynojet...

1 Replies

984 Views

Last post by zimm
Fri Jan 23, 2009 1:23 am
Race loom

Last post by Fatspanner #44 « Sun Jan 11, 2009 11:05 pm
Replies: 2
by Fatspanner #44 » Sun Jan 11, 2009 9:07 pm

Can anyone tell me why you need the 100 ohm resistor coming from the CDI when you have a race loom? I have never used one, but wondering if I should...

2 Replies

852 Views

Last post by Fatspanner #44
Sun Jan 11, 2009 11:05 pm
Flat sides V CV Carbs

Last post by simmo « Mon Jan 05, 2009 9:14 pm
Replies: 5
by Fatspanner #44 » Fri Dec 19, 2008 1:30 pm

I have managed to get hold of a set of flat side carbs for my race bike, but was unsure as to the pros and cons and as to whether it was worthwhile...

5 Replies

1147 Views

Last post by simmo
Mon Jan 05, 2009 9:14 pm
best dynojet kit stage 1 settings for my zxr400 L1

Last post by ZXR4DAD « Fri Dec 26, 2008 10:26 pm
Replies: 4
by benso1982 » Wed Oct 29, 2008 1:56 pm

hello! i write from Italy! i have a zxr400 1991 with a complete Micron race system exhaust, a k&n air filter and a dynojet kit stage 1. can you tell...

4 Replies

1846 Views

Last post by ZXR4DAD
Fri Dec 26, 2008 10:26 pm
GP/reverse shift pattern

Last post by Ballsout Racing « Tue Dec 09, 2008 8:54 pm
Replies: 5
by The_Doctor » Sat Dec 06, 2008 9:43 pm

Ok, not sure if this is the right section to post this - its more modification than tuning.
Anyway, I was wondering if anyone on here has ever tried...

5 Replies

1105 Views

Last post by Ballsout Racing
Tue Dec 09, 2008 8:54 pm
Would you suggest altering jetting for ramair

Last post by zimm « Thu Oct 30, 2008 5:53 pm
Replies: 2
by Fatspanner #44 » Thu Oct 30, 2008 5:02 pm

Just a question for the tuning gurus out there!!

If my bike is currently set up perfectly and I am now fitting a ram air system, will I need to...

2 Replies

972 Views

Last post by zimm
Thu Oct 30, 2008 5:53 pm
Jets

Last post by benso1982 « Wed Oct 29, 2008 2:32 pm
Replies: 17
by RedexRobB » Mon Aug 25, 2008 11:07 pm
1

2
Where can i buy them from?

Looking at dynojet and they want over 100 quid for a set, but i only wanna buy 4!
17 Replies

2090 Views

Last post by benso1982
Wed Oct 29, 2008 2:32 pm

New Topic

59 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum