ORO2U Dirt Catalogue - Section E - Engine and Performance.

Exhaust

Header Gaskets

Exhaust Header Gaskets Replacing the exhaust is the most popular motorcycle performance modification and one which is well within the scope of the home mechanic. The popularity of pipe-swapping is no surprise, because fit a new system and you can have a lighter bike with better looks and more performance. The very first thing to do when approaching exhaust removal is to get hold of some new exhaust header gaskets, so you can put the thing back together. A leaking exhaust port gasket will create a backfire on deceleration, and makes a mess of the cylinder head/ exhaust port area.

APRILIA

Size

Models

Years

I.D O.D W Oem

Material

Part No.

MXV

2008 - 10 2006 - 11 2006 - 11 2006 - 11 2006 - 10

32 32 32 32 32

37 37 37 37 37

3.3 AP9100252 3.3 AP9100252 3.3 AP9100252 3.3 AP9100252 3.3 AP9100252

Copper Copper Copper Copper Copper

56-4109 56-4109 56-4109 56-4109 56-4109

RXV 450 RXV 550 SXV 450 SXV 550

BMW

Size

Models

Years

I.D O.D W Oem

Material

Part No.

G450X

2007 - 10 42

48

2.6

56-4289

GASGAS

Size

Models

Years

I.D O.D W Oem

Material

Part No.

EC 200 EC 300

1997 - 13 44 1997 - 13 44

3 3

O-Ring Viton70 O-Ring Viton70

56-4352 56-4352

HONDA

Size

Models CRF 50F CRM 50 CRF 70 CRF 70F CRF 110F CRF 125F

Years

I.D O.D W Oem

Material

Part No.

2004 - 16 26

33 35 33 33 33 33 33 33 33 39 38 38 39 38 38 38 38 40 38 38 45 45 38 38 38 38 38 52 52 52 52

3.6 18291-HB2-900

Aluminium/Fibre Aluminium & Fibre Aluminium/Fibre Aluminium/Fibre Aluminium/Fibre Aluminium/Fibre Aluminium/Fibre Aluminium/Fibre Aluminium/Fibre Aluminium & Fibre

56-4460 56-403 56-4460 56-4460 56-4460 56-4460 56-4460 56-4460 56-4460 56-412 56-4453 56-4453 56-418 56-4453 56-4453 56-4453 56-4453 56-413 56-4453 56-4453 56-4450 56-4450 56-4453 56-4453 56-4453 56-4453 56-4453

29

5

18291-166033

2004 - 08 26 2004 - 12 26 2013 - 16 26 2014 - 16 26 1988 - 03 26 1978 - 83 26 1978 - 83 26

3.6 18291-HB2-900 3.6 18291-HB2-900 3.6 18291-HB2-900 3.6 18291-HB2-900 3.6 18291-HB2-900 3.6 18291-HB2-900 3.6 18291-HB2-900

XR 50 XR 250

XL 250 S

XL 75

32

3.5

CRF 80F XR 80R CRF 100F CRF 100F XR 100M XR 100R

2004 - 13 30 1993 - 03 30 2004 - 09 30 2004 - 13 30

4 18291-KZ1-670 4 18291-KZ1-670

Copper Copper

4.3

4 18291-KZ1-670 4 18291-KZ1-670 4 18291-KZ1-670 4 18291-KZ1-670 4 18291-MN5-650 4 18291-KZ1-670 4 18291-KZ1-670 4 18291-MM5-860 4 18291-MM5-860 4 18291-KZ1-670 4 18291-KZ1-670 4 18291-KZ1-670 4 18291-KZ1-670 4 18291-KZ1-670 4 18291-283-000 4 18291-MR5-801 4 18291-283-000 4 18291-MR5-801

Copper Copper Copper Copper Copper Copper Copper Copper Copper Copper Copper Copper Copper Copper

2005

30

1992 - 03 30 2002 - 10 30

XZ 100

2003 - 16

CRF 150F CRF 150R XR 200R CRF 250R CRF 250X XL 250R XLR 250R

32

2006 - 14 30 1984 - 85 30 2004 - 13 37 2004 - 13 37 1984 - 87 30 1990 - 92 30 1995 - 98 30 2000 - 07 30 1992 - 96 30

XR 250 XR 250 XR 250L XL 350K XL 350K

1975 1975

43 44

Fibre

56-4452.FC 56-4452.CO 56-4452.FC 56-4452.CO

Copper

XL 350 XL 350

1976 - 78 43 1976 - 78 44

Fibre

Copper

*Please visit our website for current prices E398

www.oro2u.com

Tel: 01597 822 666

Fax: 01597 825 224

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