Identifying the differences between the most common parts.

What you put in, you'll get back ten fold

Identifying the differences between the most common parts.

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Exhaust gaskets 1989(NA) to 20059NB)

Last post by Mazda Mender « Mon Sep 19, 2016 7:15 am

Attachment(s) by Mazda Mender » Mon Sep 19, 2016 7:15 am

This is just to show the differences between the Exhaust gaskets from the MK 1 NA 1989 to the 2005 NB 2005, info was submitted from Andrew at Autolinkmx5...

MK 1 NA 1989 to 1997....
Exhaust gaskets.
On the Mk1 1.6 & 1.8 manifold to downpipe joint are all the same (3-stud) and it looks like...

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Last post by Mazda Mender View the latest post
Mon Sep 19, 2016 7:15 am
Retract relays

Last post by Mazda Mender « Sat Jul 06, 2013 9:19 am

Attachment(s) by Mazda Mender » Sat Jul 06, 2013 9:19 am

The early Mk 1's had a black one and the later was green,(hiding behind the gray relay) , it is behind the dash, undo the the two phillip head screws that hold the steering column cover and you will see it to your right after you have bent yourself into a position that is not even listed in the...

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Last post by Mazda Mender View the latest post
Sat Jul 06, 2013 9:19 am
MK 1/ Mk 2-Mk 2.5 suspension/dampers

Last post by Mazda Mender « Tue Dec 25, 2012 1:36 pm

Attachment(s) by Mazda Mender » Tue Dec 25, 2012 1:36 pm

Top to Bottom....

MK 2/2.5 rear damper ,spring and top mount,Note the extra damper travel at the top of the top mount

Mk 1 rear damper, spring and top mount.

DSC02581_zps449fd4a5.jpg

DSC02579_zps5054b508.jpg
Top to bottom....

Mk 2/2.5 front damper, spring and top mount, Note the extra...

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Last post by Mazda Mender View the latest post
Tue Dec 25, 2012 1:36 pm
MK 1 MK 2 MK 2.5 rocker cover seals

Last post by Mazda Mender « Tue Dec 25, 2012 1:05 pm

Attachment(s) by Mazda Mender » Tue Dec 25, 2012 1:05 pm

Rocker cover seals for the 1.6cc and 1.8cc

DSC02586_zpsb06104af.jpg

DSC02590_zpsea7d7360.jpg

MK 1 1.6cc rocker cover seal, note the rear curve is on the lift hand side for the CAS(Cam Angle Sensor)

DSC02587_zpsba0419f8.jpg
Mk 1 .8cc rocker cover seal, Note the rear curve is on the...

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Last post by Mazda Mender View the latest post
Tue Dec 25, 2012 1:05 pm
Coil Packs

Last post by Mazda Mender « Sat Dec 08, 2012 10:26 pm

Attachment(s) by Mazda Mender » Sat Dec 08, 2012 10:26 pm

Mk 1 1.8cc 4 pin coil packs ......................... 1993 > 1995

DSC02188.jpg

DSC02189.jpg
Mk 1 1.6cc coil packs .................................. 1989 > 1997

DSC02191.jpg
MK 2/2.5 1.6cc coil packs .............................. 1998 > 2005

DSC02192.jpg

DSC02194.jpg...

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Last post by Mazda Mender View the latest post
Sat Dec 08, 2012 10:26 pm
O2/lamba sensor....

Last post by Mazda Mender « Thu Oct 29, 2020 8:00 am

Attachment(s) by Mazda Mender » Thu Oct 29, 2020 8:00 am

MK 1 1.6 from 1989 - 1993..UK spec and Jap spec....

Single wire sensor...

IMG-20201027-WA0004.jpg

MK 1 1.8 from 1993 - 1997 and the later de-tuned MK 1 1.6 from 1994 to 1997 ...UK spec and Jap spec...

Four wire sensor...

IMG-20201027-WA0005.jpg

Location on the later 1.6.......

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Last post by Mazda Mender View the latest post
Thu Oct 29, 2020 8:00 am
Mx5/Eunos/Roadster/Miata Gearbox speedo drives

Last post by Mazda Mender « Wed Oct 25, 2017 7:51 am

Attachment(s) by Mazda Mender » Wed Oct 25, 2017 7:51 am

***This is for manual drive only, Auto guide will follow***

There are a lot of owners out there that are unaware that when swapping a diff for a different gearing set up you will also need to change the gearbox speedo drive...
Fortunately there are different colours for these drives which makes it...

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Last post by Mazda Mender View the latest post
Wed Oct 25, 2017 7:51 am
Front Upper wishbone identification

Last post by Andrew « Fri Mar 21, 2014 9:11 am

Attachment(s) by Andrew » Fri Mar 21, 2014 9:11 am

I took a picture of the 3 types of front upper wishbones, showing the reinforcement that was added over the years.

UM00279x3c.jpg

mk1 is on the left, mk2 in the middle and mk2.5 sport on the right.

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Last post by Andrew View the latest post
Fri Mar 21, 2014 9:11 am
Camshaft Identification MX-5 1.6 Mk1, mk2 & mk2.5

Last post by Andrew « Wed Nov 27, 2013 6:24 pm

Attachment(s) by Andrew » Wed Nov 27, 2013 6:24 pm

List of camshafts fitted to 1.6 mk1, mk2 & mk2.5 MX-5's and Roadsters.

1.6 mk1 115bhp (UK cars up to 1993 and all 1.6 import manuals)

B660 - inlet
UM00280a.JPG

B61P - exhaust
UM01105a.JPG

1.6 mk1 automatic import & 90bhp manual (UK cars 1994 on)

B64J - inlet
UM01106a.JPG

B6A7 -...

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Last post by Andrew View the latest post
Wed Nov 27, 2013 6:24 pm
Cam shaft numbers

Last post by Mazda Mender « Thu Aug 01, 2013 10:36 am

by Mazda Mender » Thu Aug 01, 2013 10:36 am

Lower powered 1.6cc and Auto 1.6 90 bhp...
IN.......B64J
Exhaust.....6A7

High powered 1.6 LNC/SNC 115bhp.....
IN.....B66o
Exhaust .....B61P

Others to follow and pics :handgestures-thumbup:
Info for the Scottish OC section
M-m

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Last post by Mazda Mender View the latest post
Thu Aug 01, 2013 10:36 am
MK 1 retract relays............

Last post by Andrew « Fri Jan 25, 2013 9:53 pm
Replies: 1
Attachment(s) by Mazda Mender » Fri Jan 25, 2013 9:33 pm

The Mk 1 has a relay(behind the dash on the right of the steering column, Right hand drive Roadsters,) for raising the Barn doors(headlights) up and down

There is the early type,(Black) and the later type (Green).

DSC02807_zpsf0cc4ae8.jpg

M-m

1 Replies

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Last post by Andrew View the latest post
Fri Jan 25, 2013 9:53 pm
CAS = Cam Angle Sensor

Last post by Mazda Mender « Sat Dec 22, 2012 12:12 am

Attachment(s) by Mazda Mender » Sat Dec 22, 2012 12:12 am

Mk 1 NA 1.8cc CAS-Cam Angle Sensor..............................1993 > 1997

DSC02206.jpg

Mk 1 NA 1.6cc CAS-Cam Angle Sensor .......1989 > 1997 (JDM 1.6 finished in 1993, UK spec finished in 1997)

DSC02207.jpg

Both CAS together.....

DSC02208.jpg

MK2/2.5 NB 1.8cc and 1.6...

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Last post by Mazda Mender View the latest post
Sat Dec 22, 2012 12:12 am
AFM = Air Flow Meter / MAS = Mass Air Sensor

Last post by Mazda Mender « Sat Dec 22, 2012 12:06 am

Attachment(s) by Mazda Mender » Sat Dec 22, 2012 12:06 am

Mk 2.5 1.8cc/ 1.6cc MAF=Mass Air Flow Meter..................................................2001 > 2005

DSC02211.jpg

DSC02212.jpg

Mk 2 1.6cc/1.8cc MAF=Mass Air Flow Sensor....................................................1998 > 2000'ish

DSC02213.jpg

DSC02214.jpg

Mk 1...

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2746 Views

Last post by Mazda Mender View the latest post
Sat Dec 22, 2012 12:06 am
Water pumps

Last post by Mazda Mender « Sat Dec 22, 2012 12:02 am

Attachment(s) by Mazda Mender » Sat Dec 22, 2012 12:02 am

Water pumps.........

All Mk2 and Mk2.5 have the 1.8 Water Pump - the rule is, if it has a multi-rib alternator belt - it has a 1.8 water pump!

1.8cc water pump, note the extra bit on the left with the threaded hole for the alternator bracket

DSC00370.jpg

1.600cc (Mk1 only) water pump,...

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Last post by Mazda Mender View the latest post
Sat Dec 22, 2012 12:02 am
Fuel filters

Last post by Mazda Mender « Fri Dec 21, 2012 11:58 pm

Attachment(s) by Mazda Mender » Fri Dec 21, 2012 11:58 pm

Fuel filters....................

Mk 1 on the left, mk 2's on the right

DSC00371.jpg

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Last post by Mazda Mender View the latest post
Fri Dec 21, 2012 11:58 pm
Rear Lights

Last post by MrChrome « Fri Dec 21, 2012 3:00 pm

Attachment(s) by MrChrome » Fri Dec 21, 2012 3:00 pm

There are a number of differences between all of the MK5s rear lights.

Here's a MK1...

UM00059R.JPG

Here's a MK2...

UM00060L.JPG

Here's a Mk2.5....

UM00060m25rJDM.JPG

Here's a Mk3...

UM00891r-JDM.JPG

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Last post by MrChrome View the latest post
Fri Dec 21, 2012 3:00 pm
Electric Window Regulators

Last post by MrChrome « Fri Dec 21, 2012 2:43 pm
Replies: 2
Attachment(s) by MrChrome » Fri Dec 21, 2012 2:40 pm

The Electric Window Regulators on MK1, Mk2/Mk2.5 and Mk3 are different.

The are handed and you can check which side they are by the stamped L or R on the end of the regulator... REMEMBER LEFT and RIGHT are taken as if you were sitting in the driver seat...

Here's a MK1:

2 Replies

3829 Views

Last post by MrChrome View the latest post
Fri Dec 21, 2012 2:43 pm
Cigarette Lighter

Last post by MrChrome « Fri Dec 21, 2012 2:35 pm
Replies: 1
Attachment(s) by MrChrome » Fri Dec 21, 2012 2:35 pm

There is a difference in the MK1 and Mk2 / Mk2.5 cigarette lighter. The socket is a little difference but either lighter will fit either socket..

Here's a MK1:

1 Replies

3218 Views

Last post by MrChrome View the latest post
Fri Dec 21, 2012 2:35 pm
Front Grilles

Last post by MrChrome « Fri Dec 21, 2012 2:31 pm
Replies: 2
Attachment(s) by MrChrome » Fri Dec 21, 2012 2:27 pm

Mazda didn't fit a front grille to the mouth of the car. A grille will reduce airflow to the radiator.

Here are a couple of typical MK1 Grilles

2 Replies

3880 Views

Last post by MrChrome View the latest post
Fri Dec 21, 2012 2:31 pm
Re: Differences between the thermostat housings.

Last post by Mazda Mender « Thu Dec 20, 2012 10:49 pm

Attachment(s) by Mazda Mender » Thu Dec 20, 2012 10:49 pm

The differences between the water pump outlet pipes, thermostat housing and tops..........
Left to right....
Mk 2.5 1.8cc-1.6cc, thermostat housing, note the wider pipe on the T piece and the thermostat opening is at the front......
Mk 1 1.8cc/ Mk 2 1.8cc-1.6cc, thermostat housing, note that...

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Last post by Mazda Mender View the latest post
Thu Dec 20, 2012 10:49 pm
Aux Belts

Last post by MrChrome « Thu Dec 20, 2012 12:21 pm
Replies: 4
Attachment(s) by MrChrome » Thu Dec 20, 2012 12:08 pm

There are only FOUR different types of belts on all MX5s up to 2005 (Mk2.5).

4 Replies

4921 Views

Last post by MrChrome View the latest post
Thu Dec 20, 2012 12:21 pm

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