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.

SUZUKI Models - 2 Stroke

Piston Type Years Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

RM 65

2003 - 06 44.5mm 1997 - 06 46.5mm 1991 - 99 46.5mm 1991 - 01 47.5mm 2002 - 24 48mm

.V

715332 715332 715378 715378 711119 715378 715378 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 56-7924

. VERTEX

22860A

56-R913

72065 72065 72050 72050 72050 72050 72050 72071 72071 72071 72071 72071 72071 72071 72074 72074 72074 72074 72074 72074 72074 72074 72074 72074 72074

56-6308

RM 65 (Big Bore)

.V .V

22882200

56-R9408 56-R9408

RM 80

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

22444A 22501A 22877A

56-821 56-821 56-821 56-821 56-821 56-800 56-800 56-800 56-800 56-800 56-800 56-800 56-8090 56-8090 56-8090 56-8090 56-8090 56-8090 56-8090 56-8090 56-8090 56-8090 56-8090

RM 80 (USA)

.V

56-R906

RM 85

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

56-R9409 56-R9456 56-R9422 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332 56-R9332

RM 85 (Big Bore)

2002 - 24 50mm 22880

RM 85 Supermini (Big Bore)

2002 - 24 52mm 1990 - 99 54mm 1990 - 99 54mm 2000 - 03 54mm 2000 - 03 54mm 2004 - 12 54mm 2004 - 12 54mm 2004 - 12 54mm 1989 - 95 67mm 1996 - 97 66.4mm

23205400

RM 125 RM 125 RM 125 RM 125 RM 125 RM 125 RM 125 RM 250 RM 250 RM 250 RM 250 RM 250 RM 250 RM 250 RM 250 RM 250 RM 250 RM 250

22216A 22551A 22652A 22643A 22998A 22999A 23001A 56-W642 22386A 22540A 22585A 22592A 22646A 22647A 22648A 22854A 22855A 22856A

Pro Race

Pro Race

Race

Pro Race

.00A.V

.V

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

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

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

56-R910

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

56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311 56-R9311

1998 1999 1999

66.4mm 66.4mm 66.4mm

Race

2000 - 02 66.4mm 2000 - 02 66.4mm 2000 - 02 66.4mm 2003 - 12 66.4mm 2003 - 12 66.4mm 2003 - 12 66.4mm

Race

Pro Race

Race

Pro Race

SUZUKI Models - 4 Stroke RM-Z 250 Std. Comp. 12.6:1 RM-Z 250 High Comp. 13.4:1

Piston Type Years Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

2004 - 06 77mm 2004 - 06 77mm

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

715380 715380 715380 715380 715380 715380

- - - - - -

22982A 23114A

56-R9414 56-R9414 56-R9359 56-R9360 56-R9367 56-R9362

72055 72055 72055 72055 72055 72055

RM-Z 250 Std. Comp. 12.6:1 (Big Bore) RM-Z 250 Std. Comp. 12.6:1 (Big Bore) RM-Z 250 Std. Comp. 12.6:1 (Big Bore XL) RM-Z 250 Std. Comp. 12.6:1 (Big Bore XXL)

2004 - 06 79mm 22982200

2004 - 06 80mm 2004 - 06 83mm 2004 - 06 84mm

23405A

23245600 23231700

*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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