06:31 PM

Skip to content

Free shipping on online orders over $150*

Shop
- Batteries
  
  Motobatt
  SSB
  YUASA
- Boots
  
  SPIDI
  Gaerne
  SIDI
  Forma
- Driveline
  
  MOTO MASTER
  D.I.D
- Brakes
  
  Brembo
- Casual
  
  Sunglasses
- Clearance
  
  Leatt
  Oxford
  Road
  Shift
- Communication
  
  Garmin
  Cardo
  Quad Lock
  SENA
- Controls
  
  Tommaselli
  Motion Pro
  Pro Taper
- Goggles
  
  100%
  Blur
  Leatt
  Oakley
- Engine
  
  Boyesen
  K&N
  Vertex
  Wossner
- Exhausts
  
  FMF
- Helmets
  
  Airoh
  AGV
  LS2
  Bell
  HJC
  Nolan
  Shoei
- Lubricants
  
  Bel-Ray
  Maxima
  Motul
  Muc-Off
  No-Toil
  Putoline
  Scottoiler
- Luggage
  
  Giant Loop
  Givi
  Kriega
  OGIO
- Off Road Gear
  
  Leatt
  Shift
  ONEAL
  THOR
- Off Road Accessories
  
  Polisport
  CROSSPRO
  DRC
  PSYCHIC MX
  Acerbis
  Barkbusters
  RTech
- Road Gear
  
  DRIRIDER
  RJays
  IXON
  RST
  Stylmartin
- Road Accessories
  
  Oxford
  R&G
  SW Motech
- Tyres
  
  Dunlop
  Pirelli
  Bridgestone
  MOTOZ
  Michelin
  Metzeler
- Workshop
  
  Bike Lift
- Yamaha Genuine Parts
Yamaha Road
Yamaha Dirt
E Balance Bikes
Pre-owned
Workshop

Shop
- Batteries
  
  Motobatt
  SSB
  YUASA
- Boots
  
  SPIDI
  Gaerne
  SIDI
  Forma
- Driveline
  
  MOTO MASTER
  D.I.D
- Brakes
  
  Brembo
- Casual
  
  Sunglasses
- Clearance
  
  Leatt
  Oxford
  Road
  Shift
- Communication
  
  Garmin
  Cardo
  Quad Lock
  SENA
- Controls
  
  Tommaselli
  Motion Pro
  Pro Taper
- Goggles
  
  100%
  Blur
  Leatt
  Oakley
- Engine
  
  Boyesen
  K&N
  Vertex
  Wossner
- Exhausts
  
  FMF
- Helmets
  
  Airoh
  AGV
  LS2
  Bell
  HJC
  Nolan
  Shoei
- Lubricants
  
  Bel-Ray
  Maxima
  Motul
  Muc-Off
  No-Toil
  Putoline
  Scottoiler
- Luggage
  
  Giant Loop
  Givi
  Kriega
  OGIO
- Off Road Gear
  
  Leatt
  Shift
  ONEAL
  THOR
- Off Road Accessories
  
  Polisport
  CROSSPRO
  DRC
  PSYCHIC MX
  Acerbis
  Barkbusters
  RTech
- Road Gear
  
  DRIRIDER
  RJays
  IXON
  RST
  Stylmartin
- Road Accessories
  
  Oxford
  R&G
  SW Motech
- Tyres
  
  Dunlop
  Pirelli
  Bridgestone
  MOTOZ
  Michelin
  Metzeler
- Workshop
  
  Bike Lift
- Yamaha Genuine Parts
Yamaha Road
Yamaha Dirt
E Balance Bikes
Pre-owned
Workshop

Search

Item added to your cart

View cart

Collection: Engine

Sort by:

1947 products

Filter:

Availability (0)

Availability

In stock (1187 products)
Out of stock (827 products)

Price

The highest price is $2,660.00

$

From

To

Size (0)

Size

Piston A (Standard) (222 products)
Piston B (+0.01mm) (192 products)
Piston C (+0.02mm) (6 products)
Piston Oversize (+0.25mm) (1 product)
Piston Oversize (+0.50mm) (20 products)
Piston Oversize (+0.60mm) (1 product)
Piston Oversize (+1.00mm) (10 products)
Piston Oversize (+1.10mm) (1 product)
Piston Oversize (+1.50mm) (3 products)
Piston Oversize (+2.00mm) (3 products)
Piston Oversize (+2.10mm) (1 product)
Piston Oversize (+3.00mm) (1 product)
Piston Oversize (+4.00mm) (2 products)
Piston Oversize (+5.50mm) (1 product)

Product type (0)

Product type

Bearings (1 product)
Boyesen (11 products)
Clutch Gaskets (202 products)
Complete Engine Rebuild Kits (89 products)
Conrod Kits (78 products)
Cylinders (21 products)
Drive Belts (37 products)
Driveshaft Housing Seal Kits (3 products)
ENGINE (29 products)
Engine Complete Gaskets (306 products)
Engine Top End Gaskets (308 products)
Engine Valves (73 products)
Exhaust Gaskets (4 products)
Ignition Gaskets (88 products)
Injector Throttle Body O-Ring Kits (11 products)
Intercom Parts (1 product)
Jet Pump Seal Kits (4 products)
Miscellaneous parts (1 product)
Oil Seals (86 products)
Other Gaskets (15 products)
Piston Circlips (7 products)
Piston Kits (298 products)
Piston Needle Bearings (22 products)
Piston Rings (20 products)
Power Valve Gasket Kits (35 products)
Top End Engine Rebuild Kits (101 products)
Water Pump Rebuild Kits (96 products)

Brand (0)

Brand

727 MOTO (4 products)
Boyesen (11 products)
Cylinder Works (21 products)
Dayco (33 products)
DAYCO (4 products)
Formula 454 (14 products)
Miscellaneous parts (1 product)
N-STYLE (12 products)
Sena (1 product)
Vertex (1419 products)
Wossner (427 products)

Filter and sort Filter

Filter and sort

Filter

1947 products

Availability

In stock (1187 products)
Out of stock (827 products)

Clear

Price

The highest price is $2,660.00

$

From

$

To

Clear

Size

Piston A (Standard) (222 products)
Piston B (+0.01mm) (192 products)
Piston C (+0.02mm) (6 products)
Piston Oversize (+0.25mm) (1 products)
Piston Oversize (+0.50mm) (20 products)
Piston Oversize (+0.60mm) (1 products)
Piston Oversize (+1.00mm) (10 products)
Piston Oversize (+1.10mm) (1 products)
Piston Oversize (+1.50mm) (3 products)
Piston Oversize (+2.00mm) (3 products)
Piston Oversize (+2.10mm) (1 products)
Piston Oversize (+3.00mm) (1 products)
Piston Oversize (+4.00mm) (2 products)
Piston Oversize (+5.50mm) (1 products)

Clear

Product type

Bearings (1 products)
Boyesen (11 products)
Clutch Gaskets (202 products)
Complete Engine Rebuild Kits (89 products)
Conrod Kits (78 products)
Cylinders (21 products)
Drive Belts (37 products)
Driveshaft Housing Seal Kits (3 products)
ENGINE (29 products)
Engine Complete Gaskets (306 products)
Engine Top End Gaskets (308 products)
Engine Valves (73 products)
Exhaust Gaskets (4 products)
Ignition Gaskets (88 products)
Injector Throttle Body O-Ring Kits (11 products)
Intercom Parts (1 products)
Jet Pump Seal Kits (4 products)
Miscellaneous parts (1 products)
Oil Seals (86 products)
Other Gaskets (15 products)
Piston Circlips (7 products)
Piston Kits (298 products)
Piston Needle Bearings (22 products)
Piston Rings (20 products)
Power Valve Gasket Kits (35 products)
Top End Engine Rebuild Kits (101 products)
Water Pump Rebuild Kits (96 products)

Clear

Brand

727 MOTO (4 products)
Boyesen (11 products)
Cylinder Works (21 products)
Dayco (33 products)
DAYCO (4 products)
Formula 454 (14 products)
Miscellaneous parts (1 products)
N-STYLE (12 products)
Sena (1 products)
Vertex (1419 products)
Wossner (427 products)

Clear

Sort by:

Remove all

1947 products

Wossner Piston Honda CRF450R 13-14 (Pro) (Hi-Comp)

Sold out

Wossner Piston Honda CRF450R 13-14 (Pro) (Hi-Comp)

Regular price $384.77 NZD

Regular price Sale price $384.77 NZD

Sold out
Wossner Piston Yamaha YFM700 Grizzly / YXC700 Viking

Sold out

Wossner Piston Yamaha YFM700 Grizzly / YXC700 Viking

Regular price $289.90 NZD

Regular price Sale price $289.90 NZD

Sold out
WOSSNER CONROD KAW KX250F 17-20

WOSSNER CONROD KAW KX250F 17-20

Regular price $409.91 NZD

Regular price Sale price $409.91 NZD
WOSSNER CONROD SUZ RM125 04-11

WOSSNER CONROD SUZ RM125 04-11

Regular price $251.99 NZD

Regular price Sale price $251.99 NZD
Wossner Piston Honda CR250 97-01 Single Ring

Sold out

Wossner Piston Honda CR250 97-01 Single Ring

Regular price From $219.89 NZD

Regular price Sale price From $219.89 NZD

Sold out
Wossner Piston Yamaha YZ450F 18-19 (Pro) (Hi-Comp)

Sold out

Wossner Piston Yamaha YZ450F 18-19 (Pro) (Hi-Comp)

Regular price $402.48 NZD

Regular price Sale price $402.48 NZD

Sold out
Wossner Piston Honda CRF450R 09-12 (Pro) (Hi-Comp)

Sold out

Wossner Piston Honda CRF450R 09-12 (Pro) (Hi-Comp)

Regular price $299.89 NZD

Regular price Sale price $299.89 NZD

Sold out
Wossner Piston Yamaha YZ450F 14-17 / WR450F 16+ (Pro) (Hi-Comp)

Sold out

Wossner Piston Yamaha YZ450F 14-17 / WR450F 16+ (Pro) (Hi-Comp)

Regular price $299.89 NZD

Regular price Sale price $299.89 NZD

Sold out
Wossner Piston Yamaha YFZ450 06-13 / YFZ450R 09+

Sold out

Wossner Piston Yamaha YFZ450 06-13 / YFZ450R 09+

Regular price $347.74 NZD

Regular price Sale price $347.74 NZD

Sold out
Wossner Piston Kawasaki KX250 05-08

Wossner Piston Kawasaki KX250 05-08

Regular price From $219.89 NZD

Regular price Sale price From $219.89 NZD
Vertex Water Pump Rebuild Kit - RM125 '01-'03

Vertex Water Pump Rebuild Kit - RM125 '01-'03

Regular price $69.99 NZD

Regular price Sale price $69.99 NZD
Wossner Piston Suzuki RM-Z 450 18+

Wossner Piston Suzuki RM-Z 450 18+

Regular price $339.90 NZD

Regular price Sale price $339.90 NZD
Wossner Piston Yamaha YZ450F 05 (Pro) (Hi-Comp)

Wossner Piston Yamaha YZ450F 05 (Pro) (Hi-Comp)

Regular price $299.89 NZD

Regular price Sale price $299.89 NZD
Wossner Piston Beta 300RR 13-17

Wossner Piston Beta 300RR 13-17

Regular price From $304.99 NZD

Regular price Sale price From $304.99 NZD
Wossner Piston KTM 250 SX 03-04 / EXC 06-18 (Single Ring)

Wossner Piston KTM 250 SX 03-04 / EXC 06-18 (Single Ring)

Regular price $219.89 NZD

Regular price Sale price $219.89 NZD
Wossner Conrod Kawasaki KX450F '06-'08 / KLX450R '08-'13

Sold out

Wossner Conrod Kawasaki KX450F '06-'08 / KLX450R '08-'13

Regular price $289.90 NZD

Regular price Sale price $289.90 NZD

Sold out
Wossner Piston Suzuki DR650SE 96-09 (Pro) (Hi-Comp)

Sold out

Wossner Piston Suzuki DR650SE 96-09 (Pro) (Hi-Comp)

Regular price From $269.90 NZD

Regular price Sale price From $269.90 NZD

Sold out
Wossner Piston Kawasaki KX250 20

Sold out

Wossner Piston Kawasaki KX250 20

Regular price $309.89 NZD

Regular price Sale price $309.89 NZD

Sold out
Wossner Piston Yamaha YZ250 99+ (Single Ring)

Sold out

Wossner Piston Yamaha YZ250 99+ (Single Ring)

Regular price $269.99 NZD

Regular price Sale price $269.99 NZD

Sold out
Wossner Piston Honda XR400R 96-04

Wossner Piston Honda XR400R 96-04

Regular price From $279.90 NZD

Regular price Sale price From $279.90 NZD
Wossner Conrod KTM SX350F '13-'15 (including eng bearings)

Wossner Conrod KTM SX350F '13-'15 (including eng bearings)

Regular price $409.91 NZD

Regular price Sale price $409.91 NZD
Wossner Piston Honda CRF450R 15-16 (Pro) (Hi-Comp)

Wossner Piston Honda CRF450R 15-16 (Pro) (Hi-Comp)

Regular price $299.89 NZD

Regular price Sale price $299.89 NZD
Wossner Piston Honda CRF450R 02-03

Wossner Piston Honda CRF450R 02-03

Regular price From $289.90 NZD

Regular price Sale price From $289.90 NZD
Wossner Piston Honda CRF450R 17> (Pro) (Hi-Comp)

Sold out

Wossner Piston Honda CRF450R 17> (Pro) (Hi-Comp)

Regular price From $299.89 NZD

Regular price Sale price From $299.89 NZD

Sold out
Wossner Piston KTM 450 EXC-F 12+ / Husqvarna FE450 14+

Wossner Piston KTM 450 EXC-F 12+ / Husqvarna FE450 14+

Regular price From $384.77 NZD

Regular price Sale price From $384.77 NZD
Wossner Conrod KTM SX250F '13-'15 (including Engine Bearings)

Wossner Conrod KTM SX250F '13-'15 (including Engine Bearings)

Regular price $409.91 NZD

Regular price Sale price $409.91 NZD
Wossner Piston Yamaha YZ80 88-92

Wossner Piston Yamaha YZ80 88-92

Regular price $149.91 NZD

Regular price Sale price $149.91 NZD
Wossner Piston Honda XR600R 85-01

Wossner Piston Honda XR600R 85-01

Regular price From $289.90 NZD

Regular price Sale price From $289.90 NZD
Wossner Piston KTM 250 MXC / EXC 00-05

Wossner Piston KTM 250 MXC / EXC 00-05

Regular price $219.89 NZD

Regular price Sale price $219.89 NZD
Wossner Piston KTM 250 SX 95

Wossner Piston KTM 250 SX 95

Regular price $219.89 NZD

Regular price Sale price $219.89 NZD
Wossner Conrod KTM SX-F450 '07-'12

Wossner Conrod KTM SX-F450 '07-'12

Regular price $358.99 NZD

Regular price Sale price $358.99 NZD
Wossner Piston Suzuki DR-Z400 00+

Wossner Piston Suzuki DR-Z400 00+

Regular price From $309.89 NZD

Regular price Sale price From $309.89 NZD
Wossner Conrod Honda CRF450X '05-'16

Wossner Conrod Honda CRF450X '05-'16

Regular price $350.96 NZD

Regular price Sale price $350.96 NZD
Wossner Piston Kawasaki KX250F 15-16 (Pro) (Hi-Comp)

Wossner Piston Kawasaki KX250F 15-16 (Pro) (Hi-Comp)

Regular price From $259.90 NZD

Regular price Sale price From $259.90 NZD
Wossner Piston Beta 250RR 13-19

Sold out

Wossner Piston Beta 250RR 13-19

Regular price $207.67 NZD

Regular price Sale price $207.67 NZD

Sold out
Wossner Conrod Yamaha YZ125 '01-'04

Wossner Conrod Yamaha YZ125 '01-'04

Regular price $246.31 NZD

Regular price Sale price $246.31 NZD

1
…
48
49
50
51
52
…
55

Finance & Insurance

YMF

Yamaha Motor Finance offers flexible repayments on 24mth to 60mth terms.

We want to ensure that you get to enjoy our lifestyle products even sooner.

Apply for finance now

Calculate your Repayments

YMI

Yamaha Motorcycle Insurance is Yamaha's factory backed insurance designed to suit your needs.

Get an insurance quote today

Information

Sizing Charts
About us
Parts Department
Service Department
Shipping and Returns
Privacy Policy

Contact us

Call 03 688 7611 and choose from the following options:

Parts and Accessories, website orders and E balance bike enquiries
Workshop bookings and enquires
Motorcycle, ATV and Side by Side sales enquires

Payment methods

© 2026, Timaru Yamaha Powered by Shopify

Refund policy
Privacy policy
Terms of service
Contact information
Shipping policy

Choosing a selection results in a full page refresh.
Opens in a new window.