ORO2U Dirt Catalogue - Section E - Engine and Performance.

Piston Kits

Vertex

Vertex Piston Kits VERTEX pistons have an outstanding reputation for quality and performance. Each gravtiy cast piston is created with only premium aluminium alloys utilizing an 12-21% silicon content. The silicon content in VERTEX pistons is crucial to the quality of the piston - it’s critical in decreasing thermal expansion which, when an engine reaches normal operating temperatures, can change the geometry of the piston. Controlling this expansion means VERTEX pistons can be run at tighter tolerances for more power, less noise and a longer lifespan of the piston. When it comes to power and perforance, VERTEX pistons are hard to beat. Forged to the highest quality 2618 aluminium alloy. To aid in the break-in process, and reduce wear, VERTEX pistons utilizes a unique Molybdenum Disulphide (MOS2) coating on the piston skirt.

KAWASAKI Models - 2 Stroke

Piston Type Years Size

Piston Kit 22525AB

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

KXE 50

1999 - 01 39.5mm 1985 - 03 43mm 1985 - 03 43mm 2000 - 26 44.5mm 2000 - 26 46.5mm 1992 - 99 47mm 1992 - 00 48mm 2001 - 13 48.5mm 2001 - 13 48.5mm

.V .V .V

715036 715041 715041 715332 715332 715378 715378 715378 715378 715378 715378 715378 715286 715286 715286 715286 715286 715286 715278 711127 711127 711127 711127 711127 711127 711127 711127 711127 711127 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924 56-7924

56-R9030 56-R9323 56-R9323

72025 72065 72065 72065 72065 72050 72050 72050 72050 72050 72050 72050 72050 72050 72050 72050 72050 72050 72055 72071 72071 72071 72071 72071 72071 72071 72071 72071 72071 72074 72074 72074 72074 72074 72074 72074 72074 72074 72074

KX 60 KX 60 KX 65

. VERTEX . VERTEX . VERTEX . VERTEX

24251A 24276A 22860A

56-6308 56-6308 56-6308 56-6308 56-807 56-807 56-807 56-807 56-807 56-807 56-807 56-807 56-807 56-807 56-807 56-807 56-806 56-814 56-814 56-800 56-800 56-800 56-800 56-800 56-800 56-800 56-800 56-8811 56-8811 56-8811 56-8811 56-8811 56-8811 56-8811 56-8811 56-8811 56-8811

Race

.V

56-R913

KX 65 (Big Bore)

.V .V .V

22882200

56-R9408 56-R9339 56-R9409

KX 80

. VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX

22445A 22502A 22803A 23637A

KX 80 (USA)

KX 85

.V .V

56-R909 56-R909

KX 85 (Single Ring) KX 85 (Big Bore) KX 85 (Single Ring) KX 85 (Single Ring 0,8)

Race

2001 - 13 50.5mm 22875200

53010005050

2014 - 26 48.5mm

.V

23637A 24582A 23614A 23621A 23621A

56-R909

Race Evolution 2014 - 26 48.5mm

56508004850

KX 100

1998 - 13 52.5mm 1998 - 13 52.5mm 2014 - 21 52.5mm

.V .V .V .V .V

56-R9412 56-R9412 56-R9412 56-R9413 56-R9432

KX 100 (Single Ring) KX 100 (Single Ring) KX 100 (Single Ring) KX 100 (Single Ring)

Race

2014 - 21 53.mm 23621050 2014 - 21 54.5mm 23621200

KX 112

2022 - 25 52.5mm 1992 - 93 54mm

56502005250

24578A 22248A 22245A 22306A 22509A 22578A 22712A 23004A 22498A 56-W741 22714A 22716A 22244A 22521A 22579A 22644A 22795A 22797A 22799A 23124A 23125A 23126A

KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 125 KX-KXE 250 KX-KXE 250 KX-KXE 250 KX-KXE 250 KX-KXE 250 KX-KXE 250 KX-KXE 250 KX-KXE 250 KX-KXE 250 KX-KXE 250

.V .V .V .V .V .V .V .V .V .V .V

56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311

1994

54mm

1995 - 97 54mm

1998

54mm

1999 - 00 54mm 2001 - 02 54mm 2003 - 08 54mm 1995 - 00 54mm 1998 - 00 54mm 2001 - 08 54mm 2001 - 08 54mm 1992 - 97 66.4mm 1998 - 01 66.4mm 1998 - 01 66.4mm 1998 - 01 66.4mm 2002 - 04 66.4mm 2002 - 04 66.4mm 2002 - 04 66.4mm 2005 - 08 66.4mm 2005 - 08 66.4mm 2005 - 08 66.4mm

Race

Pro Race

+00A.V

Race

Pro Race

.V .V .V .V .V .V .V .V .V .V

. VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX

.EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH .EACH

. VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX . VERTEX

Race

Pro Race

Race

Pro Race

Race

Pro Race

*Please visit our website for current prices

* Note; Most Kits are available from standard size up to +2.00mm over size *

www.oro2u.com

Tel: 01597 822 666

Fax: 01597 825 224

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