Piston Kits
Wossner
Wossner Piston Kits Wossner Pistons, Germany’s finest aftermarket forged piston and rod manufacturer.
With over 25 years of custom piston and rod manufacturing, Wossner Pistons is deeply committed to bringing to market only the best and most accurately machined forged pistons and rods available. Wossner Pistons commitment to quality stems from designing racing components for top European racing teams in all types of venues to supplying the weekend racer a hop-up high compression piston, or a big bore piston to take advantage of today’s high revving high horsepower engines in both automotive and motorcycle applications.With unsurpassed quality and a commitment, Wossner Pistons will always listen to the customer as this assures you will always receive the high quality forged CNC machined components you would expect from today’s top European piston and rod manufacturer. Wossner Pistons believes in continued research and development so that the end user is guaranteed to receive the highest quality machined forged piston. Wossner Pistons engineers & manufactures 2-stroke and 4-stroke motorcycle, automotive, snowmobile pistons in various bore sizes and compression ratios.
HONDA 2-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin
Piston Clips
Small End Bearing
ATC 250R ATC 250R TRX 250R TRX 250R
1981 - 84 70mm 1985 - 86 66mm 1985 - 86 66mm 1987 - 89 66mm
56-W431+P0.WO 56-W526.P0.WO 56-W526.P0.WO 56-W562.P0.WO
56-R487.WO 56-7924.WO 56-R480.WO 56-7924.WO 56-R480.WO 56-7924.WO 56-R480.WO 56-7924.WO
56-0153.WO 56-801.WO 56-0153.WO 56-801.WO 56-0153.WO 56-801.WO 56-0153.WO 56-801.WO
4-Stroke Models
Years
Size
Piston Kit
Piston Rings
Piston Pin 56-701.WO 56-701.WO 56-701.WO 56-701.WO 56-701.WO 56-701.WO 56-701.WO WP102-SP WP102-SP WP102-SP
Piston Clips
Small End Bearing
ATC 185S ATC 200 S
1981 - 83 65.50mm 1981 - 86 65.50mm 1982 - 83 65.50mm 1984 - 85 65.50mm 1984 - 85 65.50mm 1983 - 85 65.50mm 1986 - 88 65.50mm 2002 - 20 68.5mm 2003 - 08 68.5mm 2009 - 22 68.5mm 1993 - 08 74mm 2009 - 12 74mm
56-W4156.000.WO 56-W4156.000.WO 56-W4156.000.WO 56-W4156.000.WO 56-W4156.000.WO 56-W4156.000.WO 56-W4156.000.WO 56-W004.P0.WO 56-W004.P0.WO 56-W004.P0.WO 56-W4574.WO 56-W4574.WO
655XKS 655XKS 655XKS 655XKS 655XKS 655XKS 655XKS 56-R855 56-R855 56-R855
56-0151 56-0151 56-0151 56-0151 56-0151 56-0151 56-0151 56-0151 56-0151 56-0151
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
ATC 200 E Big Red ATC 200 ES Big Red
ATC 200 M ATC 200 X
TRX 200
TRX 250 ES/TE/TM Recon
TRX 250 EX Sport
TRX 250 X
TRX 300 EX (4-Valve)
56-R211.WO 56-7936.WO 56-R211.WO 56-7936.WO 56-R481.WO 56-7933.WO 56-R481.WO 56-7933.WO
56-0160.WO 56-0160.WO 56-0161.WO 56-0161.WO 56-0160.WO 56-0160.WO 56-0160.WO 56-0154.WO 56-0155.WO 56-0155.WO 56-0155.WO 56-0155.WO 56-0154.WO 56-0154.WO 56-0154.WO 56-0154.WO 56-0154.WO
TRX 300 X
ATC 350 TRX 350
1985 - 86 81mm 56-W4393+0 1986 - 89 81mm 56-W4393+0
TRX 350 / ES-E Rancher 4x4 / 4x2
2000 - 06 78.5mm 2000 - 06 78.5mm 2000 - 06 78.5mm 1995 - 03 86mm 1999 - 08 85mm 1999 - 08 85mm 2009 - 14 85mm 2009 - 14 85mm 2009 - 23 86.5mm 2007 - 23 86.5mm 2007 - 23 86.5mm 2009 - 21 86.5mm 2007 - 23 86.5mm 2006 - 14 96mm 2004 - 05 94mm 2004 - 05 94mm
56-W001.P0.WO 56-W001.P0.WO 56-W001.P0.WO 56-W4669.WO 56-W4606+00A.WO 56-W4628.A.WO 56-W4606+00A.WO 56-W4628.A.WO 56-W136.000.WO 56-W136.000.WO 56-W136.000.WO 56-W136.000.WO 56-W136.000.WO 56-W4899.WO.00A 56-W131+00A.WO 56-W4849.A.WO
56-R856 56-R856 56-R856 56-R396
59-7936.WO 59-7936.WO 59-7936.WO 56-7934.WO
TRX 350 FE/FM Rancher TRX 350 TE/TM Rancher TRX 400 FW 4x4 Foreman TRX 400 EX Comp. 11.0:1
56-R482.WO 56-R482.WO 56-R482.WO 56-R482.WO
56-7961 56-7961 56-7961 56-7961
Hi - Comp. 12.5:1
TRX 400 X Comp. 11.0:1
Hi - Comp. 12.5:1
TRX 420 FA Rancher TRX 420 FE Rancher TRX 420 FM Rancher ES TRX 420 FP Rancher AT TRX 420 TE/TM Rancher ES TRX 450 ER Comp. 12.0:1 TRX 450 R Comp. 10.5:1
GNH86.50 GNH86.50 GNH86.50 GNH86.50 GNH86.50
WP026-SP WP026-SP WP026-SP WP026-SP WP026-SP
56-R306.WO 56-R484.WO 56-R484.WO 56-R486.WO
59-7926 56-7935 56-7935 56-7935 59-7926 59-7926 56-0154 56-789 56-789
56-0154
56-0156.WO 56-0156.WO 56-0156.WO
Comp. 11.5:1
Hi-Comp. 13.1:1
2004 - 05 94mm 56-W4850.A
Big Bore
2004 - 05 97mm 2006 - 09 96mm 2006 - 09 96mm 2001 - 14 92mm 2004 - 08 92mm 2008 - 11 102mm
56-W132.WO
56-R307
56-0154 56-0154 59-7926
TRX 450 R Comp. 12.0:1
56-W4899.WO.00A
56-R306.WO 56-R306.WO 56-R304.WO 56-R304.WO 1020XSU-3
Hi-Comp . 13.05:1
56-W237.WO
TRX 500 Rubicon
56-W002.P0.WO 56-W002.P0.WO 56-W9854.000.WO
56-0155.WO 56-0155.WO 56-010.WO
TRX 500 Rubicon FGA TRX 700 Comp. 10.0:1
WP057-SP
Please note All Piston Kits do not include small end bearings. Most Kits available from standard size up to 2.00mm over size.
Please Note Wossner Piston rings will NOT run in chrome bores!
*Please visit our website for current prices E9a
www.oro2u.com
Tel: 01597 822 666
Fax: 01597 825 224
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