ORO2U Dirt Catalogue - Section E - Engine and Performance.

Piston Kits

Vertex

FANTIC MOTOR Models - 2 Stroke Piston Type

Years

Size

Piston Kit

Piston Rings

Piston Pin

Piston Clips

Small End Bearing

XE 125 XE 125 XE 125 XE 125 XE 125 XX 125 XX 125 XX 125 XX 125 XX 125

2021 - 22 54mm 2021 - 22 54mm

.V .V .V

.Each .Each .Each

. VERTEX . VERTEX . VERTEX

23119A 23120A 24444A 24570A 24571A 23119A 23120A 24570A 24571A 24444A

56-R9332 56-R9332 56-R9460

711162 711127 711127 711127 711127 711127 711127 711162 711127 711127

72071 72071 72071 72071 72071 72071 72071 72071 72071 72071

56-814 56-814 56-814

Pro Race

Race Evolution 2021 - 26 54mm

2023 - 26 54mm 2023 - 26 54mm

53009805400 56509905400

Pro Race

2021 2021

54mm 54mm

.V .V

56-R9332 56-R9332

Pro Race

2022 - 26 54mm 2022 - 26 54.mm

56-R9500.V 56509905400

Pro Race

Race Evolution 2021 - 26 54mm

.V .V .V .V .V

56-R9350 56-R9325 56-R9326 56-R9327 56-R9328 56-R9311 56-R9311 56-R9311 56-R9312 56-R9312

Trial 200

69mm

.V

72060

21886A

56-7900

Trial 250 Section

74mm

.V

72060

22435A

56-7900

2022 - 26 66.4mm 2022 - 26 66.4mm 2022 - 26 66.4mm 2022 - 26 72mm 2012 - 14 72mm Years Size 2007 - 09 54mm 2021 - 22 52mm

. VERTEX . VERTEX . VERTEX . VERTEX . VERTEX

.EACH .EACH .EACH .EACH .EACH

XX 250 XX 250 XX 250 XX 250

. VERTEX . VERTEX . VERTEX

56-7924 56-7924 56-7924 56-7924 56-7924

72074 72074 72074 72074 72074

22584A 22591A 22645A 24079A 23761A

Race

Pro Race Big Bore

. VERTEX

TR 300ES

.V

Models - 4 Stroke

Piston Kit

Piston Rings Piston Pin

Piston Clips

Small End Bearing

Caballero 125 XEF - XMF 125

.5400 715262

- -

23349

56-R9303

72049 72050

590352000001 715029

23516A

Caballero TZ 170M-MR Liquid Cooling Std. Comp. 14.1:1 Caballero TZ 170E Liquid Cooling High Comp. 16.1:1

52mm

.V

715029

-

23935A

56-R9329

72050

2008 - 10 52mm

.V

715029

-

23516A

56-R9329

72050

2012 - 14 77mm 2012 - 14 77mm 2012 - 14 77mm 2022 - 26 77mm 2022 - 26 77mm

.V .V

715381 715381 715381

- - - - - - - - - - - - - - - - - - -

TF 250 ES Std. Comp. 12.5:1

23127A 22889A 22812A 24371A 24381A 24382A 24405A 24448A 24449A 24450A 24461A 24638A 24639A 24448A 24449A 24450A 24461A 24638A 24639A

56-R9330 56-R9330

72055 72055 72055 72055 72055 72055 72055 72074 72074 72074 72074 72074 72074 72074 72074 72074 72074 72074 72074

TF 250 ES High Comp. 13.5:1 (3 rings) TF 250 ES High Comp. 13.5:1 (2 rings) XEF - XXF 250 Std. Comp. 13.8:1 XEF - XXF 250 High Comp. 14.7:1 XEF - XXF 250 High Comp. 13.85:1 XEF - XXF 250 Big Bore XEF 450 Std. Comp. 12.8:1 XEF 450 High Comp. 13.8:1 XEF 450 High Comp. 13.45:1 XEF 450 Big Bore. Comp. 12.8:1

56-R917.V

.VER 711195 .VER 711195 .VER 711195 .VER 711195 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425 .VER 715425

56-R9414 56-R9414 56-R9414 56-R9360 56-R9470 56-R9471 56-R9471 56-R9472 56-R9470 56-R9471 56-R9470 56-R9471 56-R9471 56-R9472 56-R9470 56-R9471

GP Racer Choice 2022 - 26 77mm

2022 - 26 80mm 2022 - 25 97mm 2022 - 25 97mm

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

GP Racer Choice 2022 - 25 97mm

2022 - 25 99mm

2026

97mm 97mm 97mm 97mm 97mm 99mm 97mm 97mm

XEF 450 Std. Comp.

GP Racer Choice 2026

XEF 450 High Comp. 13.6:1 XXF 450 Std. Comp. 12.8:1 XXF 450 High Comp. 13.8:1 XXF 450 High Comp. 13.45:1 XXF 450 Big Bore. Comp. 12.8:1

2022 2022

GP Racer Choice 2022

2022 2026

XXF 450 Std. Comp.

GP Racer Choice 2026

XXF 450 High Comp. 13.6:1

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.

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

*Please visit our website for current prices

E-mail: sales@oro2u.com

www.oro2u.com

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