ORO2U Road Catalogue - Section E - Engine and Performance.

ProX

Piston Kits

ProX Piston Kits ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low- friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX piston kits are a first class solution to replace the original piston in your motorcycle. ProX piston kits for sleeved cylinders are available in standard size and a wide range of over sizes. ProX pistons for plated cylinders come in standard size, A, B, C, D & over sizes. All ProX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install!

YAMAHA Models - Scooter Aerox R, Beluga, Bumper, BWS, EW50 Slider, LB50PG, NEO’s 50, Sting 50, Why 50

Years Size Piston Kit

Piston Rings Piston Pin

Piston Clips

Small End Bearing

1950 - 14 40mm 56-W9856.000.PX

Chappy 50, DT50 AC, LB50

1950 - 14 40mm 56-W9855.000.PX

DT 50 LC

All

39mm 56-W9850.000.PX

LC50

1980 - 81 40mm 56-W938+000.PX

MJ 50 / PW 50

40mm 56-W938+000.PX

56-R1263

56-7979

56-0165

56-6307

QT50

1979 - 87 40mm 56-W938+000.PX

Jog 50 / Jog 50 RR

40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40mm 56-W9856.000.PX 40.30mm 56-W9850.130.PX

56-R1263 56-R1263 56-R1263 56-R1263 56-R1263 56-R1263 56-R1263 56-R1263 56-R1263 56-R1263 56-R1263

56-7979 56-7979 56-7979 56-7979 56-7979 56-7979 56-7979 56-7979 56-7979 56-7979 56-7979 56-7941

56-0163 56-0163 56-0163 56-0163 56-0163 56-0163 56-0163 56-0163 56-0163 56-0163 56-0163 56-0166

56-7996 56-7996 56-7996 56-7996 56-7996 56-7996 56-7996 56-7996 56-7996 56-7996 56-7996 56-6306

BWS

Minarelli Aerox R Beluga Bumper

BW’s R (Next generation / original / NG50)

Neo’s

Slider 50

WHY Sting

TZR 50 YSR50

1950 - 14 40mm 56-W9855.000.PX

Beluga / Venya 80

49mm 56-W9930.000.PX

56-0166

Models - Road

Years Size Piston Kit 1991 - 06 56mm 56-W224.000.PX 1988 - 06 56mm 56-W224.000.PX 2005 - 06 56mm 56-W224.000.PX

Piston Rings Piston Pin

Piston Clips

Small End Bearing

DT125R/E/X

DT 125R DT 125X

56-0176 56-0176 56-0176 56-0176 56-0177 56-0176 56-0176

56-6360

TZR 125/250

56.40mm 56-W9858.000.PX

56-806 56-820 56-6369 56-831 56-806

IT 175 DT 175

1982 - 83 66mm 56-W9859.000.PX

67.25mm 56-W254.125.PX 66mm 56-W573+000.PX

DT 200R

56-R1274

56-0720

RD 250 LC

1980 - 83 54mm 56-W9839.000.PX

64.5mm O/S 64.5mm O/S 64.5mm O/S 64.5mm O/S 64.5mm O/S

RD 350 Air Cooled

1973 - 75

56-W513+050.PX

56-R1275

56-0720

56-0176

56-6369

RD 350 LC

1980 - 82

56-W513+050.PX

56-R1275

56-0720

56-0176

56-831

RD 350 LC - YPVS

1983 - 92

56-W513+050.PX

56-R1275

56-0720

56-0176

56-831

RD 400

1976 - 79

56-W513+050.PX

56-R1275

56-0720

56-0176

56-6369

RD450

1976 - 82

56-W513+050.PX

XT/TT/SR 500

All Years 87mm 56-W4045+000.PX 1983 - 90 95mm 56-W4596.000.PX 1984-9696mm 56-W4596.100.PX 1991 - 96 100mm 56-W8507+00A.PX 1995 - 97 100mm 56-W8507+00A.PX

XTZ 600

56-0744 56-0744

56-0191 56-0191 56-0192 56-0192

XT / SRX 600

XTZ 660 SZR 660

MT-03 * Forged Piston, (Std. Comp 10:1) XT 600 X * Forged Piston, (Std. Comp 10:1) XT 660 R * Forged Piston, (Std. Comp 10:1) XT 660Z Tenere * Forged Piston, (Std. Comp 10:1)

2006 - 11 100mm 56-W203.B.PX

2004 - 11 100mm 56-W203.B.PX

2004 - 11 100mm 56-W203.B.PX

2008 - 13 100mm 56-W203.B.PX

* Nikasil Piston Size

* 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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